Sun
Apr 28
Stable
~0.2
l/m2
18%
Mon
Apr 29
Stable
~0.4
l/m2
36%
Tue
Apr 30
Extremely stable
Wed
May 1
Extremely stable
~1
l/m2
51%
Thu
May 2
Extremely stable
~2
l/m2
60%
Fri
May 3
Extremely stable
~3
l/m2
44%
27 Apr will be cool and the weather will be very stable.
The sky will be clear:
2% low clouds (below 2,000 meters: Cumulus, Stratocumulus, Stratus, Fractostratus)
The highest temperature will reach 8 degrees Celsius, while the the lowest temperature will drop to 2 degrees Celsius. The wind will be a moderate breeze, and the mean air pressure will be 1015 mb. Relative humidity will be high.
Saturday
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
03:00
4 °C
-1 °C
17 km/h 
26 km/h
1017 mb
74.8%
670 m
398 m
Apr, 27 03:00 @ Very stable
06:00
3 °C
-2 °C
16 km/h
26 km/h
1017 mb
73.9%
326 m
449 m
Apr, 27 06:00 @ Extremely stable
09:00
4 °C
-1 °C
17 km/h
23 km/h
1016 mb
66.5%
364 m
449 m
Apr, 27 09:00 @ Extremely stable
12:00
4 °C
0 °C
18 km/h
22 km/h
1016 mb
62.8%
749 m
476 m
Apr, 27 12:00 @ Very stable
15:00
6 °C
2 °C
16 km/h 
22 km/h
1015 mb
59.2%
875 m
487 m
Apr, 27 15:00 @ Stable
18:00
7 °C
4 °C
22 km/h
28 km/h
1014 mb
62.9%
960 m
514 m
Apr, 27 18:00 @ Stable
21:00
7 °C
4 °C
19 km/h 
25 km/h
1014 mb
64.4%
896 m
296 m
Apr, 27 21:00 @ Stable
28 Apr will be cool and the weather will be stable, thunderstorms not likely.
There is a 18% probability of light rainfall and showers.
The sky will be partly cloudy:
2% high clouds (above 6,000 meters: Cirrus, Cirrus uncinus, Cirrostratus, Cirrocumulus)
18% middle clouds (from 2,000 to 6,000 meters: Altostratus, Altocumulus)
26% low clouds (below 2,000 meters: Cumulus, Stratocumulus, Stratus, Fractostratus)
5% convective clouds (Cumulonimbus)
The highest temperature will reach 8 degrees Celsius, while the the lowest temperature will drop to 5 degrees Celsius. The wind will be a gentle breeze, and the mean air pressure will be 1014 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
00:00
6 °C
2 °C
20 km/h 
33 km/h
1015 mb
64.3%
772 m
557 m
Apr, 28 00:00 @ Stable
03:00
5 °C
2 °C
14 km/h
27 km/h
1015 mb
68.8%
724 m
385 m
Apr, 28 03:00 @ Stable
06:00
5 °C
3 °C
12 km/h
23 km/h
1015 mb
67.6%
747 m
374 m
Apr, 28 06:00 @ Stable
09:00
6 °C
3 °C
13 km/h
19 km/h
1015 mb
64.2%
872 m
328 m
Apr, 28 09:00 @ Stable
12:00
6 °C
4 °C
14 km/h
17 km/h
1014 mb
62.9%
930 m
385 m
Apr, 28 12:00 @ Stable
15:00
8 °C
5 °C
18 km/h
24 km/h
1014 mb
62.4%
1,056 m
461 m
Apr, 28 15:00 @ Stable
18:00
8 °C
5 °C
17 km/h
17 km/h
1013 mb
70.0%
994 m
332 m
Apr, 28 18:00 @ Mostly stable
21:00
0.2 18%
100%
7 °C
5 °C
15 km/h
18 km/h
1014 mb
70.2%
1,001 m
165 m
Apr, 28 21:00 @ Mostly stable
29 Apr will be cool and the weather will be very stable.
There is a 36% probability of light rainfall and showers.
The sky will be cloudy:
13% high clouds (above 6,000 meters: Cirrus, Cirrus uncinus, Cirrostratus, Cirrocumulus)
50% middle clouds (from 2,000 to 6,000 meters: Altostratus, Altocumulus)
5% low clouds (below 2,000 meters: Cumulus, Stratocumulus, Stratus, Fractostratus)
The highest temperature will reach 8 degrees Celsius, while the the lowest temperature will drop to 6 degrees Celsius. The wind will be a moderate breeze, and the mean air pressure will be 1015 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
00:00
0.4 36%
100%
7 °C
6 °C
9 km/h
15 km/h
1015 mb
71.4%
979 m
132 m
Apr, 29 00:00 @ Mostly stable
03:00
7 °C
6 °C
6 km/h
7 km/h
1015 mb
72.8%
960 m
73 m
Apr, 29 03:00 @ Mostly stable
06:00
7 °C
6 °C
7 km/h
8 km/h
1015 mb
67.3%
975 m
34 m
Apr, 29 06:00 @ Stable
09:00
7 °C
5 °C
12 km/h 
14 km/h
1016 mb
72.3%
982 m
179 m
Apr, 29 09:00 @ Stable
12:00
7 °C
3 °C
20 km/h
20 km/h
1016 mb
70.8%
1,056 m
344 m
Apr, 29 12:00 @ Stable
15:00
7 °C
4 °C
23 km/h
33 km/h
1016 mb
73.2%
998 m
475 m
Apr, 29 15:00 @ Stable
18:00
7 °C
3 °C
24 km/h
37 km/h
1016 mb
69.8%
1,058 m
460 m
Apr, 29 18:00 @ Very stable
21:00
6 °C
2 °C
20 km/h
35 km/h
1017 mb
70.2%
1,099 m
564 m
Apr, 29 21:00 @ Extremely stable
30 Apr will be cool and the weather will be very stable.
The sky will be clear:
1% high clouds (above 6,000 meters: Cirrus, Cirrus uncinus, Cirrostratus, Cirrocumulus)
2% middle clouds (from 2,000 to 6,000 meters: Altostratus, Altocumulus)
7% low clouds (below 2,000 meters: Cumulus, Stratocumulus, Stratus, Fractostratus)
The highest temperature will reach 7 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 1019 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
1 °C
17 km/h
34 km/h
1018 mb
71.5%
672 m
513 m
Apr, 30 00:00 @ Extremely stable
03:00
4 °C
-1 °C
18 km/h
39 km/h
1018 mb
78.6%
480 m
531 m
Apr, 30 03:00 @ Extremely stable
06:00
4 °C
0 °C
16 km/h
34 km/h
1019 mb
76.6%
436 m
655 m
Apr, 30 06:00 @ Extremely stable
09:00
4 °C
1 °C
16 km/h
30 km/h
1020 mb
73.7%
504 m
630 m
Apr, 30 09:00 @ Extremely stable
12:00
5 °C
3 °C
11 km/h 
25 km/h
1020 mb
68.4%
603 m
611 m
Apr, 30 12:00 @ Extremely stable
15:00
6 °C
3 °C
14 km/h
24 km/h
1021 mb
70.5%
1,056 m
488 m
Apr, 30 15:00 @ Extremely stable
18:00
6 °C
3 °C
18 km/h
30 km/h
1021 mb
73.1%
1,071 m
390 m
Apr, 30 18:00 @ Extremely stable
21:00
6 °C
2 °C
20 km/h
28 km/h
1021 mb
73.6%
1,077 m
363 m
Apr, 30 21:00 @ Extremely stable
1 May will be cool and the weather will be very stable.
There is a 51% probability of light rainfall.
The sky will be mostly cloudy:
54% high clouds (above 6,000 meters: Cirrus, Cirrus uncinus, Cirrostratus, Cirrocumulus)
51% middle clouds (from 2,000 to 6,000 meters: Altostratus, Altocumulus)
62% low clouds (below 2,000 meters: Cumulus, Stratocumulus, Stratus, Fractostratus)
5% convective clouds (Cumulonimbus)
The highest temperature will reach 6 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 1020 mb. Relative humidity will be very 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
3 °C
14 km/h
18 km/h
1021 mb
72.9%
1,003 m
337 m
May, 1 00:00 @ Extremely stable
03:00
5 °C
3 °C
11 km/h
14 km/h
1021 mb
75.3%
884 m
391 m
May, 1 03:00 @ Extremely stable
06:00
5 °C
3 °C
8 km/h 
12 km/h
1020 mb
78.9%
527 m
515 m
May, 1 06:00 @ Extremely stable
09:00
4 °C
3 °C
7 km/h
9 km/h
1021 mb
75.9%
452 m
539 m
May, 1 09:00 @ Extremely stable
12:00
0.2 33%
4 °C
1 °C
9 km/h
11 km/h
1021 mb
81.2%
391 m
398 m
May, 1 12:00 @ Extremely stable
15:00
5 °C
2 °C
11 km/h
19 km/h
1020 mb
76.5%
489 m
623 m
May, 1 15:00 @ Extremely stable
18:00
0.2 33%
46%
5 °C
1 °C
21 km/h
36 km/h
1019 mb
81.7%
574 m
885 m
May, 1 18:00 @ Extremely stable
21:00
0.4 51%
20%
6 °C
2 °C
25 km/h
42 km/h
1019 mb
88.8%
780 m
941 m
May, 1 21:00 @ Very stable
2 May will be cool and the weather will be very stable.
There is a 60% probability of light rainfall and showers.
The sky will be partly cloudy:
6% high clouds (above 6,000 meters: Cirrus, Cirrus uncinus, Cirrostratus, Cirrocumulus)
6% middle clouds (from 2,000 to 6,000 meters: Altostratus, Altocumulus)
36% low clouds (below 2,000 meters: Cumulus, Stratocumulus, Stratus, Fractostratus)
10% convective clouds (Cumulonimbus)
The highest temperature will reach 7 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 1021 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
00:00
1 60%
44%
7 °C
3 °C
26 km/h
35 km/h
1019 mb
86.6%
943 m
562 m
May, 2 00:00 @ Very stable
03:00
0.2 20%
100%
7 °C
3 °C
19 km/h
33 km/h
1020 mb
87.6%
901 m
489 m
May, 2 03:00 @ Very stable
06:00
0.3 21%
100%
6 °C
4 °C
12 km/h
31 km/h
1021 mb
86.0%
840 m
643 m
May, 2 06:00 @ Very stable
09:00
7 °C
3 °C
18 km/h
26 km/h
1022 mb
75.7%
749 m
727 m
May, 2 09:00 @ Extremely stable
12:00
7 °C
3 °C
19 km/h
24 km/h
1023 mb
70.6%
782 m
725 m
May, 2 12:00 @ Extremely stable
15:00
7 °C
4 °C
16 km/h 
19 km/h
1023 mb
67.3%
768 m
682 m
May, 2 15:00 @ Extremely stable
18:00
7 °C
4 °C
12 km/h
15 km/h
1024 mb
67.6%
763 m
668 m
May, 2 18:00 @ Extremely stable
21:00
6 °C
4 °C
10 km/h
14 km/h
1024 mb
70.0%
719 m
394 m
May, 2 21:00 @ Extremely stable
3 May will be cool and the weather will be very stable.
There is a 44% probability of light rainfall.
The sky will be cloudy:
15% high clouds (above 6,000 meters: Cirrus, Cirrus uncinus, Cirrostratus, Cirrocumulus)
19% middle clouds (from 2,000 to 6,000 meters: Altostratus, Altocumulus)
42% low clouds (below 2,000 meters: Cumulus, Stratocumulus, Stratus, Fractostratus)
11% convective clouds (Cumulonimbus)
The highest temperature will reach 7 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 1021 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
6 °C
4 °C
9 km/h
17 km/h
1024 mb
74.3%
695 m
569 m
May, 3 00:00 @ Extremely stable
03:00
6 °C
4 °C
9 km/h
17 km/h
1023 mb
73.9%
684 m
576 m
May, 3 03:00 @ Extremely stable
06:00
6 °C
3 °C
12 km/h
22 km/h
1022 mb
74.9%
755 m
538 m
May, 3 06:00 @ Very stable
09:00
1.4 44%
12%
6 °C
3 °C
20 km/h
29 km/h
1021 mb
83.7%
697 m
855 m
May, 3 09:00 @ Extremely stable
12:00
1.5 25%
12%
6 °C
2 °C
22 km/h
28 km/h
1022 mb
64.5%
543 m
1,261 m
May, 3 12:00 @ Extremely stable
15:00
5 °C
1 °C
24 km/h
29 km/h
1021 mb
59.1%
546 m
1,648 m
May, 3 15:00 @ Extremely stable
18:00
0.2 10%
100%
5 °C
1 °C
24 km/h
27 km/h
1021 mb
62.4%
493 m
1,205 m
May, 3 18:00 @ Extremely stable
21:00
5 °C
1 °C
16 km/h
20 km/h
1021 mb
61.3%
472 m
1,118 m
May, 3 21:00 @ Extremely stable
4 May will be cool and the weather will be .
The sky will be overcast:
91% low clouds (below 2,000 meters: Cumulus, Stratocumulus, Stratus, Fractostratus)
35% convective clouds (Cumulonimbus)
The highest temperature will reach 5 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 4077 mb. Relative humidity will be .
Saturday
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
2 °C
13 km/h
27 km/h
1020 mb
71.6%
497 m
905 m
May, 4 00:00 @ Extremely stable
03:00
4 °C
0 °C
18 km/h
24 km/h
1019 mb
71.4%
450 m
917 m
May, 4 03:00 @ Very stable
06:00
4 °C
0 °C
19 km/h
31 km/h
1019 mb
76.1%
431 m
772 m
May, 4 06:00 @ Very stable
09:00
4 °C
-2 °C
30 km/h
45 km/h
1020 mb
72.6%
347 m
837 m
May, 4 09:00 @ Stable
NRTF Grindavik, Mast 1
06:51 
