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    39.08°N / -77.1°W    ~137m asl   time 13:29
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Last forecast update: Fri, Apr 26 07:39 GMT-4 (America/New_York) time 0.189s

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Fri
Apr 26
Extremely stable
6 °C low
17 °C high
16 / 37 km/h
Fri Apr 26
Sat
Apr 27
Very stable

~2 l/m2 56%
7 °C low
12 °C high
15 / 37 km/h
Sat Apr 27
Sun
Apr 28
Mostly stable

~0.4 l/m2 44%
10 °C low
27 °C high
12 / 37 km/h
Sun Apr 28
Mon
Apr 29
Slightly unstable

~1 l/m2 16%
16 °C low
30 °C high
10 / 31 km/h
Mon Apr 29
Tue
Apr 30
Slightly unstable

~15 l/m2 81%
17 °C low
27 °C high
19 / 30 km/h
Tue Apr 30
Wed
May 1
Mostly stable

~1 l/m2 37%
16 °C low
26 °C high
11 / 21 km/h
Wed May 1
Thu
May 2
Mostly stable

~7 l/m2 70%
14 °C low
27 °C high
14 / 27 km/h
Thu May 2
26 Apr will be with moderate temperatures and the weather will be very stable.
The sky will be partly cloudy:
19% high clouds (above 6,000 meters: Cirrus, Cirrus uncinus, Cirrostratus, Cirrocumulus)
22% low clouds (below 2,000 meters: Cumulus, Stratocumulus, Stratus, Fractostratus)
The highest temperature will reach 17 degrees Celsius, while the the lowest temperature will drop to 6 degrees Celsius. The wind will be a gentle breeze, and the mean air pressure will be 1030 mb. Relative humidity will be high.
Friday
Weather

Temperature °C
Felt temperature °C
Temperature low | high °C
Wind speed
Wind gusts
Atmospheric pressure
Relative humidity
Isotherm 0°C
Boundary Layer
Heat index
05:00
6 °C
5 °C
5
8
6 km/h Wind speed
10 km/h
1029 mb
84.3%
1,913 m
101 m
Apr, 26 05:00 @ Very stable
08:00
8 °C
7 °C
5
9
10 km/h Wind speed
17 km/h
1031 mb
72.5%
1,893 m
377 m
Apr, 26 08:00 @ Extremely stable
11:00
14 °C
12 °C
9
14
14 km/h Wind speed
20 km/h
1031 mb
34.8%
1,954 m
1,150 m
Apr, 26 11:00 @ Extremely stable
14:00
16 °C
16 °C
12
17
15 km/h Wind speed
16 km/h
1030 mb
30.9%
2,164 m
1,506 m
Apr, 26 14:00 @ Extremely stable
17:00
17 °C
16 °C
16
18
16 km/h Wind speed
16 km/h
1029 mb
33.3%
2,523 m
1,599 m
Apr, 26 17:00 @ Extremely stable
20:00
12 °C
11 °C
12
17
15 km/h Wind speed
30 km/h
1030 mb
47.9%
2,817 m
491 m
Apr, 26 20:00 @ Extremely stable
23:00
9 °C
7 °C
9
13
15 km/h Wind speed
37 km/h
1032 mb
56.0%
2,773 m
477 m
Apr, 26 23:00 @ Extremely stable
27 Apr will be with moderate temperatures and the weather will be very stable.
There is a 56% probability of light rainfall.
The sky will be overcast:
74% high clouds (above 6,000 meters: Cirrus, Cirrus uncinus, Cirrostratus, Cirrocumulus)
83% middle clouds (from 2,000 to 6,000 meters: Altostratus, Altocumulus)
71% low clouds (below 2,000 meters: Cumulus, Stratocumulus, Stratus, Fractostratus)
The highest temperature will reach 13 degrees Celsius, while the the lowest temperature will drop to 7 degrees Celsius. The wind will be a gentle breeze, and the mean air pressure will be 1030 mb. Relative humidity will be very high.
Saturday
Weather

Precipitation mm probability
Showers (% of Precipitation)
Temperature °C
Felt temperature °C
Temperature low | high °C
Wind speed
Wind gusts
Atmospheric pressure
Relative humidity
Isotherm 0°C
Boundary Layer
Heat index
02:00
7 °C
6 °C
7
12
11 km/h Wind speed
32 km/h
1033 mb
70.1%
2,506 m
388 m
Apr, 27 02:00 @ Extremely stable
05:00
8 °C
7 °C
7
9
10 km/h Wind speed
29 km/h
1032 mb
70.8%
2,535 m
389 m
Apr, 27 05:00 @ Very stable
08:00
10 °C
8 °C
7
10
11 km/h Wind speed
31 km/h
1033 mb
69.1%
2,925 m
498 m
Apr, 27 08:00 @ Very stable
11:00
12 °C
10 °C
9
13
15 km/h Wind speed
28 km/h
1033 mb
62.0%
3,102 m
807 m
Apr, 27 11:00 @ Very stable
14:00
0.3 41%
11 °C
9 °C
9
13
14 km/h Wind speed
33 km/h
1032 mb
77.0%
3,239 m
749 m
Apr, 27 14:00 @ Very stable
17:00
0.7 56%
11 °C
9 °C
10
12
14 km/h Wind speed
34 km/h
1030 mb
86.1%
3,309 m
617 m
Apr, 27 17:00 @ Stable
20:00
0.8 55%
10 °C
9 °C
10
12
13 km/h Wind speed
33 km/h
1029 mb
85.8%
3,312 m
414 m
Apr, 27 20:00 @ Stable
23:00
10 °C
9 °C
9
11
11 km/h Wind speed
37 km/h
1028 mb
85.0%
3,320 m
363 m
Apr, 27 23:00 @ Mostly stable
28 Apr will be with comfortable temperatures and the weather will be stable, thunderstorms not likely.
There is a 44% probability of light rainfall and showers.
The sky will be cloudy:
40% high clouds (above 6,000 meters: Cirrus, Cirrus uncinus, Cirrostratus, Cirrocumulus)
24% middle clouds (from 2,000 to 6,000 meters: Altostratus, Altocumulus)
14% low clouds (below 2,000 meters: Cumulus, Stratocumulus, Stratus, Fractostratus)
3% convective clouds (Cumulonimbus)
The highest temperature will reach 27 degrees Celsius, while the the lowest temperature will drop to 9 degrees Celsius. The wind will be a gentle breeze, and the mean air pressure will be 1022 mb. Relative humidity will be high.
Sunday
Weather

Precipitation mm probability
Showers (% of Precipitation)
Temperature °C
Felt temperature °C
Temperature low | high °C
Wind speed
Wind gusts
Atmospheric pressure
Relative humidity
Isotherm 0°C
Boundary Layer
Heat index
02:00
10 °C
9 °C
9
11
9 km/h Wind speed
37 km/h
1026 mb
88.3%
3,356 m
303 m
Apr, 28 02:00 @ Mostly stable
05:00
10 °C
9 °C
9
11
7 km/h Wind speed
23 km/h
1025 mb
93.0%
3,329 m
188 m
Apr, 28 05:00 @ Mostly stable
08:00
0.4 44%
100%
12 °C
11 °C
9
12
6 km/h Wind speed
11 km/h
1025 mb
92.0%
3,300 m
152 m
Apr, 28 08:00 @ Mostly stable
11:00
20 °C
21 °C
15
20
7 km/h Wind speed
10 km/h
1024 mb
64.2%
3,456 m
514 m
Apr, 28 11:00 @ Mostly stable
14:00
25 °C
27 °C
21
26
12 km/h Wind speed
16 km/h
1022 mb
50.5%
3,488 m
1,181 m
Apr, 28 14:00 @ Mostly stable
17:00
27 °C
29 °C
25
27
11 km/h Wind speed
16 km/h
1019 mb
47.7%
3,583 m
1,277 m
Apr, 28 17:00 @ Mostly stable
20:00
22 °C
23 °C
22
27
6 km/h Wind speed
7 km/h
1019 mb
65.4%
3,616 m
19 m
Apr, 28 20:00 @ Mostly stable
23:00
19 °C
20 °C
18
22
4 km/h Wind speed
7 km/h
1019 mb
77.3%
3,691 m
26 m
Apr, 28 23:00 @ Slightly unstable
29 Apr will be warm and the weather will be slightly unstable, thunderstorms possible.
There is a 16% probability of light rainfall and showers.
The sky will be cloudy:
39% high clouds (above 6,000 meters: Cirrus, Cirrus uncinus, Cirrostratus, Cirrocumulus)
1% middle clouds (from 2,000 to 6,000 meters: Altostratus, Altocumulus)
12% low clouds (below 2,000 meters: Cumulus, Stratocumulus, Stratus, Fractostratus)
1% convective clouds (Cumulonimbus)
The highest temperature will reach 30 degrees Celsius, while the the lowest temperature will drop to 16 degrees Celsius. The wind will be a light breeze, and the mean air pressure will be 1017 mb. Relative humidity will be high.
Monday
Weather

Precipitation mm probability
Showers (% of Precipitation)
Temperature °C
Felt temperature °C
Temperature low | high °C
Wind speed
Wind gusts
Atmospheric pressure
Relative humidity
Isotherm 0°C
Boundary Layer
Heat index
02:00
17 °C
18 °C
17
22
7 km/h Wind speed
14 km/h
1018 mb
83.4%
3,733 m
85 m
Apr, 29 02:00 @ Slightly unstable
05:00
16 °C
17 °C
16
18
6 km/h Wind speed
6 km/h
1018 mb
87.2%
3,749 m
23 m
Apr, 29 05:00 @ Mostly stable
08:00
19 °C
20 °C
16
20
6 km/h Wind speed
12 km/h
1019 mb
75.2%
3,797 m
121 m
Apr, 29 08:00 @ Mostly stable
11:00
26 °C
28 °C
22
27
7 km/h Wind speed
10 km/h
1019 mb
51.9%
3,832 m
683 m
Apr, 29 11:00 @ Slightly unstable
14:00
30 °C
32 °C
25
30
7 km/h Wind speed
10 km/h
1017 mb
39.6%
3,888 m
2,022 m
1/4
Apr, 29 14:00 @ Slightly unstable
17:00
28 °C
30 °C
28
31
4 km/h Wind speed
9 km/h
1015 mb
46.2%
3,914 m
702 m
1/4
Apr, 29 17:00 @ Slightly unstable
20:00
23 °C
24 °C
22
28
9 km/h Wind speed
17 km/h
1015 mb
65.2%
3,903 m
101 m
Apr, 29 20:00 @ Slightly unstable
23:00
0.7 16%
95%
21 °C
21 °C
20
24
10 km/h Wind speed
31 km/h
1016 mb
73.7%
3,942 m
264 m
Apr, 29 23:00 @ Slightly unstable
30 Apr will be with comfortable temperatures and the weather will be slightly unstable, thunderstorms possible.
There is a 81% probability of moderate rainfall and showers.
The sky will be cloudy:
62% high clouds (above 6,000 meters: Cirrus, Cirrus uncinus, Cirrostratus, Cirrocumulus)
32% middle clouds (from 2,000 to 6,000 meters: Altostratus, Altocumulus)
15% low clouds (below 2,000 meters: Cumulus, Stratocumulus, Stratus, Fractostratus)
9% convective clouds (Cumulonimbus)
The highest temperature will reach 28 degrees Celsius, while the the lowest temperature will drop to 17 degrees Celsius. The wind will be a gentle breeze, and the mean air pressure will be 1015 mb. Relative humidity will be high.
Tuesday
Weather

Precipitation mm probability
Showers (% of Precipitation)
Temperature °C
Felt temperature °C
Temperature low | high °C
Wind speed
Wind gusts
Atmospheric pressure
Relative humidity
Isotherm 0°C
Boundary Layer
Heat index
02:00
0.9 18%
98%
19 °C
20 °C
19
24
10 km/h Wind speed
30 km/h
1015 mb
72.9%
3,869 m
277 m
Apr, 30 02:00 @ Slightly unstable
05:00
17 °C
18 °C
17
20
8 km/h Wind speed
18 km/h
1015 mb
79.1%
3,776 m
142 m
Apr, 30 05:00 @ Slightly unstable
08:00
19 °C
20 °C
16
20
9 km/h Wind speed
14 km/h
1016 mb
73.5%
3,876 m
206 m
Apr, 30 08:00 @ Slightly unstable
11:00
26 °C
28 °C
21
26
11 km/h Wind speed
19 km/h
1016 mb
54.5%
3,644 m
887 m
Apr, 30 11:00 @ Slightly unstable
14:00
0.2 27%
100%
27 °C
29 °C
23
28
19 km/h Wind speed
24 km/h
1014 mb
50.6%
3,632 m
1,922 m
1/4
Apr, 30 14:00 @ Slightly unstable
17:00
5.7 81%
23%
23 °C
25 °C
20
28
10 km/h Wind speed
25 km/h
1014 mb
71.7%
3,454 m
730 m
Apr, 30 17:00 @ Slightly unstable
20:00
7 81%
37%
20 °C
21 °C
20
25
6 km/h Wind speed
6 km/h
1014 mb
83.2%
3,394 m
32 m
Apr, 30 20:00 @ Slightly unstable
23:00
0.5 18%
100%
18 °C
19 °C
18
21
9 km/h Wind speed
20 km/h
1016 mb
89.0%
3,497 m
121 m
Apr, 30 23:00 @ Slightly unstable
1 May will be with comfortable temperatures and the weather will be stable, thunderstorms not likely.
There is a 37% probability of light rainfall and showers.
The sky will be partly cloudy:
17% high clouds (above 6,000 meters: Cirrus, Cirrus uncinus, Cirrostratus, Cirrocumulus)
19% middle clouds (from 2,000 to 6,000 meters: Altostratus, Altocumulus)
8% low clouds (below 2,000 meters: Cumulus, Stratocumulus, Stratus, Fractostratus)
4% convective clouds (Cumulonimbus)
The highest temperature will reach 27 degrees Celsius, while the the lowest temperature will drop to 15 degrees Celsius. The wind will be a gentle breeze, and the mean air pressure will be 1016 mb. Relative humidity will be high.
Wednesday
Weather

Precipitation mm probability
Showers (% of Precipitation)
Temperature °C
Felt temperature °C
Temperature low | high °C
Wind speed
Wind gusts
Atmospheric pressure
Relative humidity
Isotherm 0°C
Boundary Layer
Heat index
02:00
0.5 19%
100%
17 °C
17 °C
16
21
8 km/h Wind speed
16 km/h
1016 mb
92.5%
3,485 m
101 m
May, 1 02:00 @ Mostly stable
05:00
16 °C
16 °C
15
17
8 km/h Wind speed
17 km/h
1016 mb
93.0%
3,414 m
93 m
May, 1 05:00 @ Mostly stable
08:00
18 °C
18 °C
15
18
8 km/h Wind speed
15 km/h
1017 mb
83.6%
3,458 m
180 m
May, 1 08:00 @ Mostly stable
11:00
23 °C
24 °C
18
23
9 km/h Wind speed
13 km/h
1017 mb
51.9%
3,573 m
1,086 m
May, 1 11:00 @ Mostly stable
14:00
26 °C
28 °C
21
26
8 km/h Wind speed
12 km/h
1016 mb
41.3%
3,585 m
1,496 m
May, 1 14:00 @ Mostly stable
17:00
26 °C
28 °C
25
27
6 km/h Wind speed
6 km/h
1015 mb
42.9%
3,554 m
1,266 m
May, 1 17:00 @ Mostly stable
20:00
0.7 37%
20%
21 °C
22 °C
20
25
9 km/h Wind speed
17 km/h
1015 mb
66.5%
3,515 m
180 m
May, 1 20:00 @ Mostly stable
23:00
17 °C
17 °C
16
21
11 km/h Wind speed
21 km/h
1017 mb
80.2%
3,522 m
259 m
May, 1 23:00 @ Mostly stable
2 May will be with comfortable temperatures and the weather will be stable, thunderstorms not likely.
There is a 70% probability of moderate rainfall and showers.
The sky will be cloudy:
19% high clouds (above 6,000 meters: Cirrus, Cirrus uncinus, Cirrostratus, Cirrocumulus)
47% middle clouds (from 2,000 to 6,000 meters: Altostratus, Altocumulus)
52% low clouds (below 2,000 meters: Cumulus, Stratocumulus, Stratus, Fractostratus)
8% convective clouds (Cumulonimbus)
The highest temperature will reach 28 degrees Celsius, while the the lowest temperature will drop to 14 degrees Celsius. The wind will be a gentle breeze, fog will form, and the mean air pressure will be 1013 mb. Relative humidity will be very high.
Thursday
Weather

Precipitation mm probability
Showers (% of Precipitation)
Temperature °C
Felt temperature °C
Temperature low | high °C
Wind speed
Wind gusts
Atmospheric pressure
Relative humidity
Isotherm 0°C
Boundary Layer
Heat index
02:00
0.5 54%
38%
15 °C
15 °C
15
20
11 km/h Wind speed
19 km/h
1017 mb
87.6%
3,485 m
306 m
May, 2 02:00 @ Mostly stable
05:00
14 °C
14 °C
14
16
12 km/h Wind speed
25 km/h
1016 mb
89.4%
3,380 m
302 m
May, 2 05:00 @ Mostly stable
08:00
15 °C
15 °C
13
16
10 km/h Wind speed
19 km/h
1017 mb
87.8%
3,404 m
367 m
May, 2 08:00 @ Mostly stable
11:00
20 °C
21 °C
16
21
13 km/h Wind speed
21 km/h
1016 mb
74.1%
3,462 m
605 m
May, 2 11:00 @ Mostly stable
14:00
26 °C
28 °C
22
27
14 km/h Wind speed
21 km/h
1013 mb
55.4%
3,494 m
1,161 m
May, 2 14:00 @ Slightly unstable
17:00
0.9 51%
24%
27 °C
29 °C
24
30
12 km/h Wind speed
27 km/h
1010 mb
53.7%
3,462 m
1,493 m
1/4
May, 2 17:00 @ Slightly unstable
20:00
5.1 70%
22%
19 °C
19 °C
18
23
12 km/h Wind speed
20 km/h
1011 mb
94.8%
3,782 m
147 m
May, 2 20:00 @ Mostly stable
23:00
17 °C
18 °C
17
19
9 km/h Wind speed
24 km/h
1010 mb
96.0%
3,777 m
192 m
May, 2 23:00 @ Slightly unstable
3 May will be with comfortable temperatures and the weather will be .
There is a 30% probability of light rainfall and showers.
The sky will be :
256% high clouds (above 6,000 meters: Cirrus, Cirrus uncinus, Cirrostratus, Cirrocumulus)
85% middle clouds (from 2,000 to 6,000 meters: Altostratus, Altocumulus)
14% low clouds (below 2,000 meters: Cumulus, Stratocumulus, Stratus, Fractostratus)
The highest temperature will reach 26 degrees Celsius, while the the lowest temperature will drop to 16 degrees Celsius. The wind will be a light breeze, and the mean air pressure will be 4034 mb. Relative humidity will be .
Friday
Weather

Precipitation mm probability
Showers (% of Precipitation)
Temperature °C
Felt temperature °C
Temperature low | high °C
Wind speed
Wind gusts
Atmospheric pressure
Relative humidity
Isotherm 0°C
Boundary Layer
Heat index
02:00
0.3 30%
100%
17 °C
17 °C
16
19
8 km/h Wind speed
27 km/h
1009 mb
96.2%
3,866 m
214 m
May, 3 02:00 @ Slightly unstable
05:00
16 °C
17 °C
16
18
8 km/h Wind speed
21 km/h
1009 mb
96.9%
3,841 m
163 m
May, 3 05:00 @ Slightly unstable
08:00
19 °C
19 °C
16
19
7 km/h Wind speed
16 km/h
1009 mb
88.6%
3,877 m
167 m
May, 3 08:00 @ Mostly stable
11:00
26 °C
27 °C
21
26
10 km/h Wind speed
16 km/h
1010 mb
59.8%
3,826 m
884 m
May, 3 11:00 @ Slightly unstable

Rockville (~137 m asl)

(Rokvill, Роквилл)
seat of a second-order administrative division

/


Latitude: 39.08399 and Longitude: -77.1527
Local time (America/New_York | GMT -4): 13:29
Sunrise: 06:15 - Sunset: 19:57


Graph Rockville



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Fri, Apr 26
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