Thu
Apr 18
Extremely stable
~1
l/m2
31%
Fri
Apr 19
Extremely stable
~8
l/m2
85%
Sun
Apr 21
Extremely stable
~14
l/m2
98%
Mon
Apr 22
Extremely stable
Tue
Apr 23
Extremely stable
18 Apr will be cool and the weather will be very stable.
There is a 31% probability of light rainfall and showers.
The sky will be cloudy:
52% low clouds (below 2,000 meters: Cumulus, Stratocumulus, Stratus, Fractostratus)
8% convective clouds (Cumulonimbus)
The highest temperature will reach 4 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 1014 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
15:00
0.2 31%
69%
3 °C
-2 °C
26 km/h 
33 km/h
1014 mb
73.5%
462 m
1,185 m
Apr, 18 15:00 @ Very stable
18:00
0.3 14%
81%
2 °C
-4 °C
27 km/h 
31 km/h
1014 mb
67.5%
384 m
1,081 m
Apr, 18 18:00 @ Extremely stable
21:00
1 °C
-3 °C
15 km/h
28 km/h
1016 mb
72.3%
336 m
503 m
Apr, 18 21:00 @ Extremely stable
19 Apr will be cool and the weather will be very stable.
There is a 85% probability of moderate rainfall.
The sky will be mostly cloudy:
68% high clouds (above 6,000 meters: Cirrus, Cirrus uncinus, Cirrostratus, Cirrocumulus)
75% middle clouds (from 2,000 to 6,000 meters: Altostratus, Altocumulus)
64% low clouds (below 2,000 meters: Cumulus, Stratocumulus, Stratus, Fractostratus)
1% convective clouds (Cumulonimbus)
The highest temperature will reach 3 degrees Celsius, while the the lowest temperature will drop to -2 degrees Celsius. The wind will be a moderate breeze, fog will form, and the mean air pressure will be 1018 mb. Relative humidity will be very 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
0 °C
-4 °C
13 km/h
24 km/h
1018 mb
80.3%
147 m
311 m
Apr, 19 00:00 @ Extremely stable
03:00
-1 °C
-5 °C
11 km/h 
14 km/h
1019 mb
84.4%
67 m
216 m
Apr, 19 03:00 @ Extremely stable
06:00
-1 °C
-4 °C
7 km/h
9 km/h
1020 mb
84.0%
48 m
158 m
Apr, 19 06:00 @ Extremely stable
09:00
0 °C
-2 °C
5 km/h 
8 km/h
1020 mb
74.9%
152 m
365 m
Apr, 19 09:00 @ Extremely stable
12:00
2 °C
-3 °C
13 km/h 
24 km/h
1020 mb
70.6%
306 m
681 m
Apr, 19 12:00 @ Extremely stable
15:00
0.9 62%
2 °C
-5 °C
29 km/h
43 km/h
1018 mb
95.5%
300 m
680 m
Apr, 19 15:00 @ Very stable
18:00
4.8 85%
2%
2 °C
-4 °C
19 km/h
52 km/h
1016 mb
98.2%
512 m
658 m
Apr, 19 18:00 @ Stable
21:00
2.1 70%
3 °C
-1 °C
12 km/h
42 km/h
1015 mb
98.1%
983 m
413 m
Apr, 19 21:00 @ Very stable
20 Apr will be cool and the weather will be stable, thunderstorms not likely.
There is a 98% probability of heavy rainfall.
The sky will be overcast:
97% high clouds (above 6,000 meters: Cirrus, Cirrus uncinus, Cirrostratus, Cirrocumulus)
94% middle clouds (from 2,000 to 6,000 meters: Altostratus, Altocumulus)
100% low clouds (below 2,000 meters: Cumulus, Stratocumulus, Stratus, Fractostratus)
1% 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 fresh breeze, fog will form, and the mean air pressure will be 1010 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
6.1 93%
1%
4 °C
1 °C
13 km/h
26 km/h
1014 mb
99.3%
1,317 m
200 m
Apr, 20 00:00 @ Stable
03:00
7 98%
5 °C
2 °C
14 km/h
24 km/h
1012 mb
99.2%
1,575 m
165 m
Apr, 20 03:00 @ Stable
06:00
11 98%
5 °C
2 °C
14 km/h
30 km/h
1012 mb
99.2%
1,674 m
224 m
Apr, 20 06:00 @ Stable
09:00
0.9 58%
6 °C
2 °C
27 km/h 
45 km/h
1011 mb
98.6%
1,623 m
356 m
Apr, 20 09:00 @ Stable
12:00
1.8 66%
3%
6 °C
2 °C
32 km/h
59 km/h
1010 mb
98.1%
1,605 m
490 m
Apr, 20 12:00 @ Stable
15:00
3.3 77%
7 °C
2 °C
35 km/h
64 km/h
1009 mb
97.5%
2,121 m
648 m
Apr, 20 15:00 @ Mostly stable
18:00
9.4 97%
7 °C
2 °C
37 km/h
67 km/h
1007 mb
97.3%
2,038 m
730 m
Apr, 20 18:00 @ Stable
21:00
7.9 98%
7 °C
2 °C
38 km/h
65 km/h
1006 mb
97.5%
1,882 m
762 m
Apr, 20 21:00 @ Stable
21 Apr will be cool and the weather will be very stable.
There is a 98% probability of heavy rainfall.
The sky will be partly cloudy:
19% high clouds (above 6,000 meters: Cirrus, Cirrus uncinus, Cirrostratus, Cirrocumulus)
25% middle clouds (from 2,000 to 6,000 meters: Altostratus, Altocumulus)
36% low clouds (below 2,000 meters: Cumulus, Stratocumulus, Stratus, Fractostratus)
2% convective clouds (Cumulonimbus)
The highest temperature will reach 7 degrees Celsius, while the the lowest temperature will drop to 2 degrees Celsius. The wind will be a fresh breeze, fog will form, and the mean air pressure will be 1017 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
10 98%
7 °C
2 °C
37 km/h
55 km/h
1007 mb
98.0%
1,360 m
650 m
Apr, 21 00:00 @ Stable
03:00
1.2 63%
8%
3 °C
-3 °C
25 km/h
42 km/h
1011 mb
91.5%
536 m
740 m
Apr, 21 03:00 @ Very stable
06:00
1.4 55%
8%
3 °C
-1 °C
15 km/h
33 km/h
1014 mb
69.9%
530 m
598 m
Apr, 21 06:00 @ Extremely stable
09:00
4 °C
-2 °C
28 km/h 
38 km/h
1017 mb
70.7%
561 m
991 m
Apr, 21 09:00 @ Extremely stable
12:00
5 °C
0 °C
37 km/h
51 km/h
1019 mb
67.4%
680 m
1,090 m
Apr, 21 12:00 @ Extremely stable
15:00
6 °C
1 °C
36 km/h
50 km/h
1022 mb
67.8%
854 m
1,022 m
Apr, 21 15:00 @ Extremely stable
18:00
6 °C
2 °C
26 km/h
36 km/h
1025 mb
70.5%
885 m
850 m
Apr, 21 18:00 @ Extremely stable
21:00
4 °C
1 °C
12 km/h
14 km/h
1028 mb
86.0%
1,226 m
160 m
Apr, 21 21:00 @ Extremely stable
22 Apr will be cool and the weather will be very stable.
The sky will be partly cloudy:
47% high clouds (above 6,000 meters: Cirrus, Cirrus uncinus, Cirrostratus, Cirrocumulus)
6% middle clouds (from 2,000 to 6,000 meters: Altostratus, Altocumulus)
The highest temperature will reach 10 degrees Celsius, while the the lowest temperature will drop to 2 degrees Celsius. The wind will be a light breeze, and the mean air pressure will be 1032 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
3 °C
1 °C
7 km/h
8 km/h
1030 mb
91.4%
1,687 m
103 m
Apr, 22 00:00 @ Extremely stable
03:00
3 °C
1 °C
6 km/h
6 km/h
1031 mb
90.6%
1,953 m
93 m
Apr, 22 03:00 @ Extremely stable
06:00
2 °C
1 °C
6 km/h
7 km/h
1032 mb
89.5%
2,128 m
81 m
Apr, 22 06:00 @ Extremely stable
09:00
5 °C
4 °C
6 km/h 
8 km/h
1033 mb
76.3%
2,292 m
205 m
Apr, 22 09:00 @ Extremely stable
12:00
7 °C
7 °C
5 km/h
10 km/h
1033 mb
59.8%
2,380 m
500 m
Apr, 22 12:00 @ Extremely stable
15:00
9 °C
9 °C
5 km/h
12 km/h
1033 mb
48.8%
2,337 m
566 m
Apr, 22 15:00 @ Extremely stable
18:00
9 °C
8 °C
7 km/h
11 km/h
1033 mb
46.7%
2,407 m
446 m
Apr, 22 18:00 @ Extremely stable
21:00
6 °C
4 °C
10 km/h
10 km/h
1034 mb
59.0%
2,443 m
36 m
Apr, 22 21:00 @ Extremely stable
23 Apr will be with moderate temperatures and the weather will be very stable.
The sky will be partly cloudy:
25% high clouds (above 6,000 meters: Cirrus, Cirrus uncinus, Cirrostratus, Cirrocumulus)
26% middle clouds (from 2,000 to 6,000 meters: Altostratus, Altocumulus)
3% low clouds (below 2,000 meters: Cumulus, Stratocumulus, Stratus, Fractostratus)
The highest temperature will reach 11 degrees Celsius, while the the lowest temperature will drop to 3 degrees Celsius. The wind will be a light breeze, and the mean air pressure will be 1031 mb. Relative humidity will be moderate.
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
9 km/h
10 km/h
1033 mb
57.0%
2,434 m
29 m
Apr, 23 00:00 @ Extremely stable
03:00
4 °C
3 °C
7 km/h
7 km/h
1033 mb
57.8%
2,418 m
22 m
Apr, 23 03:00 @ Extremely stable
06:00
4 °C
2 °C
6 km/h
7 km/h
1032 mb
58.6%
2,404 m
23 m
Apr, 23 06:00 @ Extremely stable
09:00
7 °C
6 °C
5 km/h
6 km/h
1032 mb
47.6%
2,405 m
134 m
Apr, 23 09:00 @ Extremely stable
12:00
9 °C
10 °C
2 km/h
8 km/h
1031 mb
38.2%
2,405 m
408 m
Apr, 23 12:00 @ Extremely stable
15:00
11 °C
10 °C
6 km/h
8 km/h
1030 mb
36.1%
2,406 m
571 m
Apr, 23 15:00 @ Extremely stable
18:00
10 °C
9 °C
10 km/h
11 km/h
1029 mb
42.4%
2,385 m
436 m
Apr, 23 18:00 @ Extremely stable
21:00
7 °C
7 °C
5 km/h
10 km/h
1029 mb
57.6%
2,324 m
54 m
Apr, 23 21:00 @ Extremely stable
24 Apr will be cool and the weather will be very stable.
The sky will be slightly cloudy:
5% 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)
The highest temperature will reach 10 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 1026 mb. Relative humidity will be high.
Wednesday
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
6 °C
4 °C
7 km/h
9 km/h
1029 mb
61.2%
2,284 m
35 m
Apr, 24 00:00 @ Extremely stable
03:00
5 °C
3 °C
6 km/h
8 km/h
1028 mb
63.8%
2,218 m
25 m
Apr, 24 03:00 @ Very stable
06:00
4 °C
2 °C
7 km/h
7 km/h
1027 mb
70.5%
2,205 m
24 m
Apr, 24 06:00 @ Very stable
09:00
6 °C
6 °C
5 km/h
7 km/h
1026 mb
70.8%
2,180 m
222 m
Apr, 24 09:00 @ Very stable
12:00
9 °C
9 °C
3 km/h
6 km/h
1026 mb
63.0%
2,119 m
607 m
Apr, 24 12:00 @ Very stable
15:00
10 °C
8 °C
11 km/h
17 km/h
1025 mb
60.6%
1,975 m
788 m
Apr, 24 15:00 @ Very stable
18:00
9 °C
6 °C
14 km/h
21 km/h
1024 mb
68.7%
2,112 m
485 m
Apr, 24 18:00 @ Very stable
21:00
7 °C
5 °C
9 km/h
10 km/h
1024 mb
80.2%
1,464 m
216 m
Apr, 24 21:00 @ Very stable
25 Apr will be cool and the weather will be .
The sky will be :
427% high clouds (above 6,000 meters: Cirrus, Cirrus uncinus, Cirrostratus, Cirrocumulus)
462% middle clouds (from 2,000 to 6,000 meters: Altostratus, Altocumulus)
630% low clouds (below 2,000 meters: Cumulus, Stratocumulus, Stratus, Fractostratus)
32% 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, fog will form, and the mean air pressure will be 8141 mb. Relative humidity will be .
Thursday
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
6 °C
5 °C
7 km/h
9 km/h
1023 mb
84.6%
1,181 m
47 m
Apr, 25 00:00 @ Very stable
03:00
5 °C
5 °C
5 km/h
6 km/h
1022 mb
85.2%
1,006 m
94 m
Apr, 25 03:00 @ Very stable
06:00
5 °C
4 °C
6 km/h
6 km/h
1020 mb
84.5%
858 m
67 m
Apr, 25 06:00 @ Very stable
09:00
5 °C
4 °C
8 km/h
10 km/h
1019 mb
78.9%
839 m
270 m
Apr, 25 09:00 @ Very stable
12:00
7 °C
5 °C
9 km/h
14 km/h
1017 mb
70.7%
872 m
771 m
Apr, 25 12:00 @ Very stable
15:00
7 °C
4 °C
17 km/h
20 km/h
1016 mb
73.2%
916 m
785 m
Apr, 25 15:00 @ Very stable
18:00
7 °C
4 °C
17 km/h
22 km/h
1014 mb
77.1%
907 m
737 m
Apr, 25 18:00 @ Very stable
21:00
6 °C
4 °C
7 km/h
16 km/h
1014 mb
82.3%
863 m
545 m
Apr, 25 21:00 @ Very stable
Grímslækur
23:35 
