Tue
Apr 30
Extremely stable
Wed
May 1
Extremely stable
~4
l/m2
61%
Thu
May 2
Very stable
~4
l/m2
70%
Fri
May 3
Stable
~8
l/m2
77%
3-7 cm snow
16 / 33 km/h
Fri May 3
Sat
May 4
Mostly stable
~20
l/m2
88%
5-14 cm snow
19 / 26 km/h
Sat May 4
28 Apr will be cool and the weather will be very stable.
The sky will be mostly cloudy:
17% high clouds (above 6,000 meters: Cirrus, Cirrus uncinus, Cirrostratus, Cirrocumulus)
75% middle clouds (from 2,000 to 6,000 meters: Altostratus, Altocumulus)
8% low clouds (below 2,000 meters: Cumulus, Stratocumulus, Stratus, Fractostratus)
The highest temperature will reach 6 degrees Celsius, while the the lowest temperature will drop to 0 degrees Celsius. The wind will be a gentle breeze, and the mean air pressure will be 1017 mb. Relative humidity will be high.
Sunday
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
1 °C
-4 °C
14 km/h 
15 km/h
1018 mb
86.6%
392 m
149 m
Apr, 28 03:00 @ Very stable
06:00
1 °C
-4 °C
15 km/h 
18 km/h
1018 mb
84.7%
543 m
110 m
Apr, 28 06:00 @ Very stable
09:00
3 °C
-1 °C
12 km/h
13 km/h
1018 mb
74.7%
655 m
249 m
Apr, 28 09:00 @ Very stable
12:00
4 °C
2 °C
11 km/h
12 km/h
1017 mb
66.9%
729 m
468 m
Apr, 28 12:00 @ Stable
15:00
5 °C
3 °C
11 km/h
14 km/h
1017 mb
62.3%
827 m
644 m
Apr, 28 15:00 @ Stable
18:00
5 °C
3 °C
11 km/h
15 km/h
1016 mb
62.4%
850 m
646 m
Apr, 28 18:00 @ Stable
21:00
4 °C
0 °C
15 km/h
18 km/h
1017 mb
72.4%
781 m
250 m
Apr, 28 21:00 @ Stable
29 Apr will be cool and the weather will be very stable.
The sky will be cloudy:
2% high clouds (above 6,000 meters: Cirrus, Cirrus uncinus, Cirrostratus, Cirrocumulus)
14% middle clouds (from 2,000 to 6,000 meters: Altostratus, Altocumulus)
47% low clouds (below 2,000 meters: Cumulus, Stratocumulus, Stratus, Fractostratus)
4% 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 1018 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
2 °C
-2 °C
14 km/h
16 km/h
1017 mb
82.4%
677 m
108 m
Apr, 29 00:00 @ Stable
03:00
1 °C
-3 °C
13 km/h 
14 km/h
1017 mb
83.1%
523 m
116 m
Apr, 29 03:00 @ Stable
06:00
1 °C
-3 °C
15 km/h
17 km/h
1017 mb
84.7%
464 m
169 m
Apr, 29 06:00 @ Very stable
09:00
2 °C
-2 °C
14 km/h
15 km/h
1018 mb
75.5%
480 m
556 m
Apr, 29 09:00 @ Very stable
12:00
3 °C
-2 °C
19 km/h
20 km/h
1019 mb
65.8%
555 m
853 m
Apr, 29 12:00 @ Very stable
15:00
3 °C
-2 °C
21 km/h
25 km/h
1019 mb
64.2%
594 m
866 m
Apr, 29 15:00 @ Very stable
18:00
3 °C
-2 °C
24 km/h
30 km/h
1020 mb
67.3%
584 m
765 m
Apr, 29 18:00 @ Extremely stable
21:00
2 °C
-3 °C
23 km/h
25 km/h
1021 mb
72.5%
524 m
655 m
Apr, 29 21:00 @ Extremely stable
30 Apr will be cool and the weather will be very stable.
The sky will be cloudy:
10% high clouds (above 6,000 meters: Cirrus, Cirrus uncinus, Cirrostratus, Cirrocumulus)
16% middle clouds (from 2,000 to 6,000 meters: Altostratus, Altocumulus)
53% low clouds (below 2,000 meters: Cumulus, Stratocumulus, Stratus, Fractostratus)
3% convective clouds (Cumulonimbus)
The highest temperature will reach 4 degrees Celsius, while the the lowest temperature will drop to 0 degrees Celsius. The wind will be a gentle breeze, fog will form, and the mean air pressure will be 1022 mb. Relative humidity will be very 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
1 °C
-4 °C
19 km/h
22 km/h
1022 mb
81.4%
457 m
292 m
Apr, 30 00:00 @ Extremely stable
03:00
1 °C
-5 °C
19 km/h
22 km/h
1022 mb
86.8%
386 m
259 m
Apr, 30 03:00 @ Extremely stable
06:00
1 °C
-4 °C
19 km/h 
22 km/h
1023 mb
86.5%
392 m
274 m
Apr, 30 06:00 @ Extremely stable
09:00
2 °C
-3 °C
17 km/h
22 km/h
1023 mb
78.4%
434 m
472 m
Apr, 30 09:00 @ Extremely stable
12:00
3 °C
-2 °C
17 km/h
24 km/h
1023 mb
70.6%
537 m
614 m
Apr, 30 12:00 @ Extremely stable
15:00
4 °C
1 °C
12 km/h
17 km/h
1023 mb
67.6%
622 m
653 m
Apr, 30 15:00 @ Extremely stable
18:00
3 °C
2 °C
7 km/h 
9 km/h
1023 mb
70.0%
629 m
565 m
Apr, 30 18:00 @ Extremely stable
21:00
3 °C
2 °C
5 km/h
5 km/h
1023 mb
74.4%
579 m
236 m
Apr, 30 21:00 @ Extremely stable
1 May will be cool and the weather will be very stable.
There is a 61% probability of light rainfall, light sleet and snowfall.
The sky will be overcast:
35% high clouds (above 6,000 meters: Cirrus, Cirrus uncinus, Cirrostratus, Cirrocumulus)
75% middle clouds (from 2,000 to 6,000 meters: Altostratus, Altocumulus)
83% low clouds (below 2,000 meters: Cumulus, Stratocumulus, Stratus, Fractostratus)
2% 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 gentle breeze, fog will form, and the mean air pressure will be 1019 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
1 °C
-1 °C
5 km/h
5 km/h
1023 mb
83.6%
443 m
146 m
May, 1 00:00 @ Extremely stable
03:00
1 °C
1 °C
4 km/h
5 km/h
1022 mb
84.5%
410 m
160 m
May, 1 03:00 @ Extremely stable
06:00
1 °C
-2 °C
8 km/h 
9 km/h
1021 mb
82.4%
397 m
165 m
May, 1 06:00 @ Extremely stable
09:00
0.2 34%
1 °C
-3 °C
12 km/h 
13 km/h
1020 mb
89.0%
373 m
262 m
May, 1 09:00 @ Extremely stable
12:00
1 61%
2 °C
-3 °C
16 km/h
18 km/h
1019 mb
95.0%
426 m
286 m
May, 1 12:00 @ Extremely stable
15:00
0.5 55%
12%
2 °C
-3 °C
19 km/h
21 km/h
1018 mb
94.8%
478 m
360 m
May, 1 15:00 @ Very stable
18:00
1.1 58%
9%
2 °C
-3 °C
19 km/h 
25 km/h
1018 mb
91.9%
538 m
520 m
May, 1 18:00 @ Very stable
21:00
0.9 57%
2 °C
-3 °C
20 km/h
26 km/h
1017 mb
97.7%
569 m
500 m
May, 1 21:00 @ Stable
2 May will be cool and the weather will be very stable.
There is a 70% probability of light rainfall and showers.
The sky will be mostly cloudy:
1% middle clouds (from 2,000 to 6,000 meters: Altostratus, Altocumulus)
80% low clouds (below 2,000 meters: Cumulus, Stratocumulus, Stratus, Fractostratus)
14% convective clouds (Cumulonimbus)
The highest temperature will reach 4 degrees Celsius, while the the lowest temperature will drop to 2 degrees Celsius. The wind will be a gentle breeze, fog will form, and the mean air pressure will be 1018 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
2.1 70%
3%
2 °C
-3 °C
19 km/h
21 km/h
1017 mb
98.7%
681 m
294 m
May, 2 00:00 @ Stable
03:00
0.5 56%
46%
2 °C
-2 °C
16 km/h
19 km/h
1017 mb
96.0%
708 m
269 m
May, 2 03:00 @ Stable
06:00
0.9 62%
57%
2 °C
-1 °C
11 km/h
15 km/h
1017 mb
93.1%
605 m
226 m
May, 2 06:00 @ Very stable
09:00
3 °C
-2 °C
16 km/h
20 km/h
1018 mb
74.9%
533 m
714 m
May, 2 09:00 @ Very stable
12:00
3 °C
-1 °C
13 km/h
16 km/h
1019 mb
70.5%
567 m
836 m
May, 2 12:00 @ Extremely stable
15:00
3 °C
1 °C
8 km/h
12 km/h
1020 mb
69.3%
607 m
735 m
May, 2 15:00 @ Extremely stable
18:00
3 °C
1 °C
8 km/h
8 km/h
1020 mb
67.4%
621 m
627 m
May, 2 18:00 @ Extremely stable
21:00
3 °C
1 °C
8 km/h
9 km/h
1020 mb
77.6%
556 m
262 m
May, 2 21:00 @ Very stable
3 May will be cool and the weather will be very stable.
There is a 77% probability of light rainfall, moderate sleet and snowfall and showers.
The sky will be mostly cloudy:
50% middle clouds (from 2,000 to 6,000 meters: Altostratus, Altocumulus)
80% low clouds (below 2,000 meters: Cumulus, Stratocumulus, Stratus, Fractostratus)
5% convective clouds (Cumulonimbus)
The highest temperature will reach 3 degrees Celsius, while the the lowest temperature will drop to 0 degrees Celsius. The wind will be a gentle breeze, fog will form, and the mean air pressure will be 1014 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
2 °C
-1 °C
9 km/h
11 km/h
1019 mb
77.0%
579 m
219 m
May, 3 00:00 @ Very stable
03:00
1 °C
-3 °C
13 km/h
13 km/h
1017 mb
82.6%
532 m
104 m
May, 3 03:00 @ Very stable
06:00
1 °C
-4 °C
16 km/h
21 km/h
1016 mb
86.7%
438 m
472 m
May, 3 06:00 @ Very stable
09:00
0.2 26%
1 °C
-3 °C
13 km/h
23 km/h
1015 mb
86.6%
384 m
538 m
May, 3 09:00 @ Stable
12:00
0.3 49%
2 °C
-3 °C
16 km/h
33 km/h
1013 mb
85.3%
425 m
725 m
May, 3 12:00 @ Stable
15:00
0.4 55%
19%
2 °C
-3 °C
16 km/h
32 km/h
1012 mb
89.4%
455 m
650 m
May, 3 15:00 @ Mostly stable
18:00
3.1 75%
7%
1 °C
-3 °C
13 km/h
27 km/h
1010 mb
96.6%
403 m
593 m
May, 3 18:00 @ Mostly stable
21:00
3.6 77%
3%
0 °C
-3 °C
9 km/h
10 km/h
1009 mb
98.3%
304 m
180 m
May, 3 21:00 @ Mostly stable
4 May will be cool and the weather will be stable, thunderstorms not likely.
There is a 88% probability of moderate rainfall, moderate sleet and snowfall and showers.
The sky will be mostly cloudy:
39% middle clouds (from 2,000 to 6,000 meters: Altostratus, Altocumulus)
87% low clouds (below 2,000 meters: Cumulus, Stratocumulus, Stratus, Fractostratus)
9% convective clouds (Cumulonimbus)
The highest temperature will reach 3 degrees Celsius, while the the lowest temperature will drop to 0 degrees Celsius. The wind will be a gentle 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
5.4 88%
2%
0 °C
-2 °C
7 km/h
9 km/h
1008 mb
98.4%
285 m
144 m
May, 4 00:00 @ Mostly stable
03:00
1.3 61%
0 °C
-2 °C
6 km/h
6 km/h
1005 mb
97.2%
268 m
154 m
May, 4 03:00 @ Mostly stable
06:00
2.7 73%
0 °C
-2 °C
5 km/h
5 km/h
1003 mb
97.9%
263 m
125 m
May, 4 06:00 @ Mostly stable
09:00
1.6 62%
3%
0 °C
-2 °C
8 km/h
8 km/h
1002 mb
99.0%
335 m
130 m
May, 4 09:00 @ Mostly stable
12:00
2.6 73%
7%
1 °C
-2 °C
10 km/h
11 km/h
1002 mb
97.9%
411 m
264 m
May, 4 12:00 @ Mostly stable
15:00
2.4 57%
11%
2 °C
-2 °C
12 km/h
16 km/h
1002 mb
96.7%
519 m
312 m
May, 4 15:00 @ Mostly stable
18:00
2.5 56%
16%
3 °C
-1 °C
11 km/h
12 km/h
1001 mb
87.9%
644 m
216 m
May, 4 18:00 @ Mostly stable
21:00
1.4 45%
29%
2 °C
-3 °C
19 km/h
26 km/h
1001 mb
93.6%
689 m
419 m
May, 4 21:00 @ Mostly stable
5 May will be cool and the weather will be .
There is a 86% probability of moderate rainfall, moderate sleet and snowfall and showers.
The sky will be :
4% high clouds (above 6,000 meters: Cirrus, Cirrus uncinus, Cirrostratus, Cirrocumulus)
300% middle clouds (from 2,000 to 6,000 meters: Altostratus, Altocumulus)
362% low clouds (below 2,000 meters: Cumulus, Stratocumulus, Stratus, Fractostratus)
15% convective clouds (Cumulonimbus)
The highest temperature will reach 2 degrees Celsius, while the the lowest temperature will drop to 0 degrees Celsius. The wind will be a fresh breeze, fog will form, and the mean air pressure will be 3990 mb. Relative humidity will be .
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
3.4 77%
16%
2 °C
-4 °C
26 km/h
37 km/h
1000 mb
96.6%
563 m
611 m
May, 5 00:00 @ Mostly stable
03:00
2.9 74%
3%
1 °C
-6 °C
33 km/h
50 km/h
998 mb
97.1%
458 m
678 m
May, 5 03:00 @ Mostly stable
06:00
5 86%
2%
1 °C
-5 °C
26 km/h
40 km/h
997 mb
96.9%
410 m
554 m
May, 5 06:00 @ Stable
09:00
1.1 45%
1 °C
-3 °C
14 km/h
15 km/h
997 mb
95.9%
489 m
224 m
May, 5 09:00 @ Very stable
Karlstaðir
07:55 
