Thu
Apr 25
Mostly stable
~5
l/m2
67%
Fri
Apr 26
Mostly stable
~15
l/m2
97%
Sun
Apr 28
Mostly stable
5-13 cm snow
27 / 31 km/h
Sun Apr 28
Wed
May 1
Slightly unstable
~5
l/m2
48%
25 Apr will be with moderate temperatures and the weather will be slightly unstable, thunderstorms possible.
There is a 67% probability of moderate rainfall and showers.
The sky will be cloudy:
44% high clouds (above 6,000 meters: Cirrus, Cirrus uncinus, Cirrostratus, Cirrocumulus)
67% middle clouds (from 2,000 to 6,000 meters: Altostratus, Altocumulus)
18% low clouds (below 2,000 meters: Cumulus, Stratocumulus, Stratus, Fractostratus)
12% convective clouds (Cumulonimbus)
The highest temperature will reach 16 degrees Celsius, while the the lowest temperature will drop to 6 degrees Celsius. The wind will be a moderate breeze, fog will form, and the mean air pressure will be 1003 mb. Relative humidity will be 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
09:00
10 °C
10 °C
5 km/h 
14 km/h
1007 mb
46.6%
3,722 m
1,109 m
Apr, 25 09:00 @ Mostly stable
12:00
16 °C
16 °C
10 km/h 
13 km/h
1003 mb
27.3%
3,829 m
2,343 m
Apr, 25 12:00 @ Slightly unstable
15:00
0.5 38%
16%
13 °C
12 °C
19 km/h
25 km/h
1001 mb
43.5%
3,610 m
1,627 m
Apr, 25 15:00 @ Slightly unstable
18:00
2.5 67%
26%
8 °C
4 °C
28 km/h 
30 km/h
1001 mb
69.6%
3,423 m
472 m
Apr, 25 18:00 @ Mostly stable
21:00
1.7 63%
27%
6 °C
5 °C
8 km/h 
36 km/h
1002 mb
73.4%
3,159 m
514 m
Apr, 25 21:00 @ Mostly stable
26 Apr will be with moderate temperatures and the weather will be stable, thunderstorms not likely.
There is a 97% probability of moderate rainfall and showers.
The sky will be mostly cloudy:
78% high clouds (above 6,000 meters: Cirrus, Cirrus uncinus, Cirrostratus, Cirrocumulus)
72% middle clouds (from 2,000 to 6,000 meters: Altostratus, Altocumulus)
25% low clouds (below 2,000 meters: Cumulus, Stratocumulus, Stratus, Fractostratus)
9% convective clouds (Cumulonimbus)
The highest temperature will reach 13 degrees Celsius, while the the lowest temperature will drop to 3 degrees Celsius. The wind will be a moderate breeze, fog will form, and the mean air pressure will be 999 mb. Relative humidity will be high.
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
00:00
1.9 64%
24%
5 °C
4 °C
6 km/h 
31 km/h
1000 mb
71.5%
3,237 m
506 m
Apr, 26 00:00 @ Mostly stable
03:00
5 °C
6 °C
2 km/h
34 km/h
999 mb
73.0%
3,124 m
679 m
Apr, 26 03:00 @ Mostly stable
06:00
5 °C
2 °C
14 km/h
46 km/h
998 mb
66.2%
3,179 m
797 m
Apr, 26 06:00 @ Mostly stable
09:00
8 °C
5 °C
21 km/h 
43 km/h
999 mb
54.4%
3,115 m
1,110 m
Apr, 26 09:00 @ Mostly stable
12:00
12 °C
10 °C
11 km/h
22 km/h
999 mb
41.7%
3,276 m
1,914 m
Apr, 26 12:00 @ Mostly stable
15:00
13 °C
10 °C
30 km/h
41 km/h
997 mb
40.3%
3,484 m
1,608 m
Apr, 26 15:00 @ Slightly unstable
18:00
2.6 61%
33%
8 °C
4 °C
27 km/h
37 km/h
999 mb
71.0%
3,288 m
659 m
Apr, 26 18:00 @ Slightly unstable
21:00
9.9 97%
11%
4 °C
1 °C
14 km/h
15 km/h
1004 mb
93.9%
2,831 m
185 m
Apr, 26 21:00 @ Mostly stable
27 Apr will be cool and the weather will be stable, thunderstorms not likely.
There is a 98% probability of very heavy rainfall and showers.
The sky will be overcast:
87% high clouds (above 6,000 meters: Cirrus, Cirrus uncinus, Cirrostratus, Cirrocumulus)
95% middle clouds (from 2,000 to 6,000 meters: Altostratus, Altocumulus)
97% low clouds (below 2,000 meters: Cumulus, Stratocumulus, Stratus, Fractostratus)
22% convective clouds (Cumulonimbus)
The highest temperature will reach 3 degrees Celsius, while the the lowest temperature will drop to 1 degrees Celsius. The wind will be a moderate breeze, fog will form, and the mean air pressure will be 1003 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
00:00
20 97%
6%
3 °C
-2 °C
18 km/h
24 km/h
1004 mb
93.9%
2,814 m
226 m
Apr, 27 00:00 @ Mostly stable
03:00
3.4 66%
1 °C
3 °C
2 km/h
5 km/h
1004 mb
90.9%
2,577 m
105 m
Apr, 27 03:00 @ Mostly stable
06:00
3.8 79%
5%
3 °C
2 °C
5 km/h
7 km/h
1003 mb
93.7%
2,699 m
199 m
Apr, 27 06:00 @ Slightly unstable
09:00
10 98%
3%
2 °C
-1 °C
10 km/h
13 km/h
1003 mb
97.7%
2,669 m
253 m
Apr, 27 09:00 @ Mostly stable
12:00
22 98%
2%
1 °C
-3 °C
13 km/h
14 km/h
1004 mb
97.5%
2,512 m
303 m
Apr, 27 12:00 @ Mostly stable
15:00
8.2 97%
3%
1 °C
0 °C
5 km/h
15 km/h
1004 mb
97.0%
2,477 m
366 m
Apr, 27 15:00 @ Mostly stable
18:00
11 97%
4%
2 °C
-2 °C
16 km/h
20 km/h
1004 mb
94.2%
2,640 m
558 m
Apr, 27 18:00 @ Mostly stable
21:00
9.4 97%
2%
2 °C
-5 °C
27 km/h
31 km/h
1006 mb
97.4%
2,549 m
765 m
Apr, 27 21:00 @ Mostly stable
28 Apr will be cool and the weather will be stable, thunderstorms not likely.
There is a 97% probability of light rainfall, heavy sleet and snowfall, light snowfall and showers.
The sky will be cloudy:
37% high clouds (above 6,000 meters: Cirrus, Cirrus uncinus, Cirrostratus, Cirrocumulus)
49% middle clouds (from 2,000 to 6,000 meters: Altostratus, Altocumulus)
36% low clouds (below 2,000 meters: Cumulus, Stratocumulus, Stratus, Fractostratus)
6% convective clouds (Cumulonimbus)
The highest temperature will reach 8 degrees Celsius, while the the lowest temperature will drop to -3 degrees Celsius. The wind will be a moderate breeze, fog will form, and the mean air pressure will be 1009 mb. Relative humidity will be very 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
00:00
12 97%
2%
0 °C
-6 °C
27 km/h
31 km/h
1008 mb
97.5%
2,311 m
412 m
Apr, 28 00:00 @ Mostly stable
03:00
0.3 32%
-1 °C
-7 °C
17 km/h
17 km/h
1010 mb
94.0%
2,082 m
271 m
Apr, 28 03:00 @ Mostly stable
06:00
0.3 47%
-3 °C
-4 °C
4 km/h
9 km/h
1012 mb
91.9%
1,976 m
79 m
Apr, 28 06:00 @ Mostly stable
09:00
2 °C
1 °C
5 km/h
9 km/h
1009 mb
87.2%
2,476 m
517 m
Apr, 28 09:00 @ Mostly stable
12:00
0.2 18%
26%
5 °C
2 °C
12 km/h
15 km/h
1008 mb
83.1%
2,749 m
879 m
Apr, 28 12:00 @ Mostly stable
15:00
0.3 18%
78%
7 °C
6 °C
8 km/h
25 km/h
1007 mb
75.6%
2,997 m
1,234 m
Apr, 28 15:00 @ Mostly stable
18:00
0.5 23%
88%
7 °C
6 °C
9 km/h
17 km/h
1007 mb
74.3%
3,118 m
815 m
Apr, 28 18:00 @ Mostly stable
21:00
2 °C
-2 °C
15 km/h
19 km/h
1012 mb
82.3%
2,691 m
107 m
Apr, 28 21:00 @ Mostly stable
29 Apr will be with moderate temperatures and the weather will be stable, thunderstorms not likely.
The sky will be partly cloudy:
22% high clouds (above 6,000 meters: Cirrus, Cirrus uncinus, Cirrostratus, Cirrocumulus)
21% middle clouds (from 2,000 to 6,000 meters: Altostratus, Altocumulus)
9% low clouds (below 2,000 meters: Cumulus, Stratocumulus, Stratus, Fractostratus)
2% convective clouds (Cumulonimbus)
The highest temperature will reach 11 degrees Celsius, while the the lowest temperature will drop to -1 degrees Celsius. The wind will be a gentle breeze, fog will form, and the mean air pressure will be 1009 mb. Relative humidity will be high.
Monday
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
00:00
1 °C
-2 °C
7 km/h 
14 km/h
1013 mb
81.5%
2,550 m
49 m
Apr, 29 00:00 @ Mostly stable
03:00
0 °C
-2 °C
5 km/h
12 km/h
1013 mb
80.2%
2,545 m
43 m
Apr, 29 03:00 @ Mostly stable
06:00
0 °C
-3 °C
8 km/h
17 km/h
1013 mb
79.7%
2,599 m
129 m
Apr, 29 06:00 @ Mostly stable
09:00
6 °C
4 °C
8 km/h
27 km/h
1011 mb
71.7%
3,032 m
876 m
Apr, 29 09:00 @ Mostly stable
12:00
9 °C
6 °C
16 km/h
34 km/h
1009 mb
66.1%
3,199 m
1,677 m
Apr, 29 12:00 @ Mostly stable
15:00
11 °C
9 °C
17 km/h
39 km/h
1007 mb
59.0%
3,420 m
2,158 m
Apr, 29 15:00 @ Mostly stable
18:00
10 °C
9 °C
9 km/h
44 km/h
1006 mb
59.1%
3,508 m
1,280 m
Apr, 29 18:00 @ Mostly stable
21:00
7 °C
5 °C
9 km/h
49 km/h
1008 mb
63.2%
3,427 m
746 m
Apr, 29 21:00 @ Mostly stable
30 Apr will be with moderate temperatures and the weather will be stable, thunderstorms not likely.
The sky will be slightly cloudy:
4% high clouds (above 6,000 meters: Cirrus, Cirrus uncinus, Cirrostratus, Cirrocumulus)
11% middle clouds (from 2,000 to 6,000 meters: Altostratus, Altocumulus)
4% low clouds (below 2,000 meters: Cumulus, Stratocumulus, Stratus, Fractostratus)
The highest temperature will reach 15 degrees Celsius, while the the lowest temperature will drop to 2 degrees Celsius. The wind will be a gentle breeze, and the mean air pressure will be 1011 mb. Relative humidity will be high.
Tuesday
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
00:00
5 °C
3 °C
11 km/h
45 km/h
1010 mb
68.2%
3,306 m
698 m
Apr, 30 00:00 @ Mostly stable
03:00
3 °C
0 °C
11 km/h
43 km/h
1012 mb
77.6%
3,250 m
588 m
Apr, 30 03:00 @ Mostly stable
06:00
2 °C
-1 °C
10 km/h
41 km/h
1014 mb
76.6%
3,258 m
478 m
Apr, 30 06:00 @ Stable
09:00
8 °C
6 °C
9 km/h
37 km/h
1013 mb
63.1%
3,413 m
871 m
Apr, 30 09:00 @ Mostly stable
12:00
12 °C
11 °C
9 km/h
35 km/h
1012 mb
53.7%
3,524 m
1,532 m
Apr, 30 12:00 @ Mostly stable
15:00
15 °C
14 °C
18 km/h
40 km/h
1009 mb
46.3%
3,789 m
2,555 m
Apr, 30 15:00 @ Slightly unstable
18:00
13 °C
13 °C
11 km/h
27 km/h
1010 mb
50.6%
3,856 m
1,199 m
Apr, 30 18:00 @ Slightly unstable
21:00
8 °C
6 °C
11 km/h
16 km/h
1014 mb
64.7%
3,788 m
63 m
Apr, 30 21:00 @ Slightly unstable
1 May will be with moderate temperatures and the weather will be slightly unstable, thunderstorms possible.
There is a 48% probability of light rainfall and showers.
The sky will be cloudy:
51% high clouds (above 6,000 meters: Cirrus, Cirrus uncinus, Cirrostratus, Cirrocumulus)
31% middle clouds (from 2,000 to 6,000 meters: Altostratus, Altocumulus)
6% low clouds (below 2,000 meters: Cumulus, Stratocumulus, Stratus, Fractostratus)
13% convective clouds (Cumulonimbus)
The highest temperature will reach 14 degrees Celsius, while the the lowest temperature will drop to 3 degrees Celsius. The wind will be a gentle breeze, and the mean air pressure will be 1015 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
00:00
6 °C
4 °C
8 km/h
10 km/h
1016 mb
71.3%
3,600 m
51 m
May, 1 00:00 @ Slightly unstable
03:00
4 °C
3 °C
7 km/h
9 km/h
1016 mb
76.5%
3,497 m
47 m
May, 1 03:00 @ Mostly stable
06:00
4 °C
2 °C
6 km/h
8 km/h
1017 mb
74.1%
3,422 m
28 m
May, 1 06:00 @ Mostly stable
09:00
10 °C
10 °C
5 km/h
6 km/h
1015 mb
58.5%
3,656 m
486 m
May, 1 09:00 @ Mostly stable
12:00
0.4 18%
98%
14 °C
13 °C
10 km/h
14 km/h
1013 mb
50.1%
3,737 m
1,250 m
May, 1 12:00 @ Slightly unstable
15:00
1 48%
98%
14 °C
14 °C
8 km/h
8 km/h
1013 mb
54.3%
3,728 m
1,224 m
May, 1 15:00 @ Slightly unstable
18:00
2.4 42%
80%
12 °C
10 °C
16 km/h
20 km/h
1013 mb
68.2%
3,814 m
421 m
May, 1 18:00 @ Slightly unstable
21:00
0.5 31%
78%
7 °C
6 °C
8 km/h
10 km/h
1016 mb
79.4%
3,718 m
40 m
May, 1 21:00 @ Slightly unstable
2 May will be with moderate temperatures and the weather will be .
There is a 21% probability of light rainfall and showers.
The sky will be :
31% high clouds (above 6,000 meters: Cirrus, Cirrus uncinus, Cirrostratus, Cirrocumulus)
115% middle clouds (from 2,000 to 6,000 meters: Altostratus, Altocumulus)
2% low clouds (below 2,000 meters: Cumulus, Stratocumulus, Stratus, Fractostratus)
46% convective clouds (Cumulonimbus)
The highest temperature will reach 17 degrees Celsius, while the the lowest temperature will drop to 4 degrees Celsius. The wind will be a moderate breeze, and the mean air pressure will be 6086 mb. Relative humidity will be .
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
00:00
0.6 20%
74%
6 °C
5 °C
6 km/h
9 km/h
1017 mb
76.6%
3,693 m
31 m
May, 2 00:00 @ Slightly unstable
03:00
5 °C
5 °C
4 km/h
6 km/h
1017 mb
78.3%
3,677 m
20 m
May, 2 03:00 @ Slightly unstable
06:00
5 °C
4 °C
5 km/h
8 km/h
1017 mb
76.8%
3,708 m
25 m
May, 2 06:00 @ Mostly stable
09:00
12 °C
13 °C
3 km/h
4 km/h
1015 mb
56.8%
3,904 m
399 m
May, 2 09:00 @ Slightly unstable
12:00
17 °C
17 °C
7 km/h
13 km/h
1012 mb
39.9%
3,986 m
1,702 m
May, 2 12:00 @ Slightly unstable
15:00
0.5 21%
85%
16 °C
15 °C
22 km/h
33 km/h
1011 mb
47.3%
4,036 m
877 m
May, 2 15:00 @ Slightly unstable
Federal Bureau of Investigation Boulder Resident Office
17:15 
