Tue
Apr 30
Extremely stable
Wed
May 1
Extremely stable
~2
l/m2
60%
Thu
May 2
Very stable
~3
l/m2
58%
Fri
May 3
Very stable
~2
l/m2
61%
Sat
May 4
Very stable
2-4 cm snow
22 / 37 km/h
Sat May 4
28 Apr will be cool and the weather will be stable, thunderstorms not likely.
The sky will be partly cloudy:
1% high clouds (above 6,000 meters: Cirrus, Cirrus uncinus, Cirrostratus, Cirrocumulus)
43% 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 5 degrees Celsius, while the the lowest temperature will drop to 1 degrees Celsius. The wind will be a gentle breeze, and the mean air pressure will be 1015 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
15:00
4 °C
1 °C
12 km/h 
13 km/h
1016 mb
60.6%
896 m
560 m
Apr, 28 15:00 @ Stable
18:00
4 °C
2 °C
8 km/h
10 km/h
1015 mb
61.7%
969 m
416 m
Apr, 28 18:00 @ Stable
21:00
1 °C
-1 °C
7 km/h 
12 km/h
1016 mb
75.2%
803 m
81 m
Apr, 28 21:00 @ Stable
29 Apr will be cool and the weather will be very stable.
The sky will be mostly cloudy:
34% high clouds (above 6,000 meters: Cirrus, Cirrus uncinus, Cirrostratus, Cirrocumulus)
50% middle clouds (from 2,000 to 6,000 meters: Altostratus, Altocumulus)
41% 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 gentle breeze, fog will form, and the mean air pressure will be 1016 mb. Relative humidity will be very 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
0 °C
-3 °C
7 km/h 
11 km/h
1017 mb
82.3%
538 m
89 m
Apr, 29 00:00 @ Stable
03:00
-1 °C
-5 °C
10 km/h
12 km/h
1016 mb
85.1%
285 m
115 m
Apr, 29 03:00 @ Stable
06:00
-1 °C
-5 °C
10 km/h
13 km/h
1017 mb
87.9%
257 m
182 m
Apr, 29 06:00 @ Stable
09:00
0 °C
-3 °C
9 km/h
15 km/h
1017 mb
86.5%
446 m
360 m
Apr, 29 09:00 @ Very stable
12:00
2 °C
-1 °C
10 km/h
14 km/h
1017 mb
77.0%
620 m
591 m
Apr, 29 12:00 @ Very stable
15:00
3 °C
-1 °C
11 km/h
15 km/h
1017 mb
69.7%
712 m
725 m
Apr, 29 15:00 @ Extremely stable
18:00
3 °C
-1 °C
12 km/h
18 km/h
1017 mb
69.8%
720 m
668 m
Apr, 29 18:00 @ Extremely stable
21:00
0 °C
-4 °C
12 km/h
18 km/h
1018 mb
83.6%
573 m
199 m
Apr, 29 21:00 @ Very stable
30 Apr will be cool and the weather will be very stable.
The sky will be partly cloudy:
2% high clouds (above 6,000 meters: Cirrus, Cirrus uncinus, Cirrostratus, Cirrocumulus)
1% middle clouds (from 2,000 to 6,000 meters: Altostratus, Altocumulus)
49% low clouds (below 2,000 meters: Cumulus, Stratocumulus, Stratus, Fractostratus)
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 1020 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
-5 °C
10 km/h
13 km/h
1020 mb
88.8%
333 m
135 m
Apr, 30 00:00 @ Very stable
03:00
-1 °C
-5 °C
10 km/h
15 km/h
1020 mb
88.5%
267 m
207 m
Apr, 30 03:00 @ Extremely stable
06:00
-1 °C
-5 °C
10 km/h
15 km/h
1020 mb
87.6%
282 m
283 m
Apr, 30 06:00 @ Extremely stable
09:00
1 °C
-3 °C
10 km/h
14 km/h
1021 mb
76.6%
484 m
453 m
Apr, 30 09:00 @ Extremely stable
12:00
3 °C
0 °C
9 km/h
12 km/h
1021 mb
67.0%
667 m
702 m
Apr, 30 12:00 @ Extremely stable
15:00
4 °C
1 °C
10 km/h
11 km/h
1021 mb
64.7%
774 m
826 m
Apr, 30 15:00 @ Extremely stable
18:00
3 °C
0 °C
12 km/h
13 km/h
1020 mb
68.2%
770 m
699 m
Apr, 30 18:00 @ Extremely stable
21:00
2 °C
-2 °C
9 km/h
11 km/h
1021 mb
80.0%
632 m
287 m
Apr, 30 21:00 @ Very stable
1 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 overcast:
30% high clouds (above 6,000 meters: Cirrus, Cirrus uncinus, Cirrostratus, Cirrocumulus)
79% middle clouds (from 2,000 to 6,000 meters: Altostratus, Altocumulus)
88% 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 gentle 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
0 °C
-2 °C
6 km/h
8 km/h
1021 mb
86.7%
524 m
107 m
May, 1 00:00 @ Extremely stable
03:00
0 °C
-2 °C
4 km/h
4 km/h
1021 mb
85.2%
502 m
61 m
May, 1 03:00 @ Extremely stable
06:00
0 °C
-1 °C
4 km/h
4 km/h
1020 mb
81.0%
494 m
91 m
May, 1 06:00 @ Extremely stable
09:00
2 °C
-1 °C
7 km/h
11 km/h
1020 mb
76.2%
606 m
397 m
May, 1 09:00 @ Extremely stable
12:00
3 °C
0 °C
11 km/h
15 km/h
1020 mb
71.3%
745 m
842 m
May, 1 12:00 @ Extremely stable
15:00
0.2 40%
31%
3 °C
-1 °C
14 km/h
18 km/h
1019 mb
82.1%
732 m
637 m
May, 1 15:00 @ Very stable
18:00
0.9 59%
36%
3 °C
-1 °C
12 km/h
16 km/h
1019 mb
93.4%
693 m
388 m
May, 1 18:00 @ Very stable
21:00
0.4 60%
46%
1 °C
-2 °C
11 km/h
16 km/h
1020 mb
96.9%
598 m
248 m
May, 1 21:00 @ Very stable
2 May will be cool and the weather will be very stable.
There is a 58% probability of light rainfall, light sleet and snowfall and showers.
The sky will be cloudy:
58% low clouds (below 2,000 meters: Cumulus, Stratocumulus, Stratus, Fractostratus)
4% convective clouds (Cumulonimbus)
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, fog will form, and the mean air pressure will be 1019 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
0.7 58%
30%
1 °C
-2 °C
10 km/h 
19 km/h
1020 mb
92.8%
622 m
250 m
May, 2 00:00 @ Very stable
03:00
0.2 37%
0 °C
-4 °C
12 km/h 
26 km/h
1020 mb
94.4%
594 m
310 m
May, 2 03:00 @ Very stable
06:00
0.9 57%
1 °C
-3 °C
14 km/h
31 km/h
1020 mb
92.9%
679 m
426 m
May, 2 06:00 @ Stable
09:00
0.5 54%
13%
2 °C
-2 °C
13 km/h
25 km/h
1020 mb
90.6%
758 m
507 m
May, 2 09:00 @ Very stable
12:00
0.7 39%
24%
4 °C
1 °C
14 km/h
28 km/h
1020 mb
72.1%
865 m
967 m
May, 2 12:00 @ Very stable
15:00
6 °C
2 °C
19 km/h 
25 km/h
1020 mb
56.1%
960 m
1,164 m
May, 2 15:00 @ Very stable
18:00
5 °C
1 °C
18 km/h
20 km/h
1020 mb
56.9%
924 m
903 m
May, 2 18:00 @ Extremely stable
21:00
3 °C
-1 °C
10 km/h
13 km/h
1020 mb
65.2%
742 m
428 m
May, 2 21:00 @ Extremely stable
3 May will be cool and the weather will be very stable.
There is a 61% probability of light rainfall and showers.
The sky will be partly cloudy:
44% low clouds (below 2,000 meters: Cumulus, Stratocumulus, Stratus, Fractostratus)
8% convective clouds (Cumulonimbus)
The highest temperature will reach 6 degrees Celsius, while the the lowest temperature will drop to -1 degrees Celsius. The wind will be a gentle breeze, and the mean air pressure will be 1013 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
0 °C
-3 °C
8 km/h
8 km/h
1020 mb
80.4%
574 m
34 m
May, 3 00:00 @ Extremely stable
03:00
0 °C
-3 °C
7 km/h
7 km/h
1019 mb
85.9%
441 m
27 m
May, 3 03:00 @ Extremely stable
06:00
0 °C
-3 °C
7 km/h
7 km/h
1017 mb
85.3%
428 m
64 m
May, 3 06:00 @ Extremely stable
09:00
2 °C
0 °C
5 km/h
7 km/h
1015 mb
68.3%
588 m
403 m
May, 3 09:00 @ Extremely stable
12:00
4 °C
2 °C
9 km/h
16 km/h
1013 mb
53.9%
771 m
1,150 m
May, 3 12:00 @ Extremely stable
15:00
5 °C
2 °C
17 km/h
27 km/h
1011 mb
51.8%
906 m
1,640 m
May, 3 15:00 @ Very stable
18:00
0.3 45%
29%
4 °C
1 °C
17 km/h
29 km/h
1008 mb
72.8%
849 m
1,158 m
May, 3 18:00 @ Very stable
21:00
2 61%
25%
1 °C
-3 °C
16 km/h
26 km/h
1008 mb
91.4%
576 m
539 m
May, 3 21:00 @ Very stable
4 May will be cool and the weather will be very stable.
There is a 50% probability of light rainfall, light sleet and snowfall, moderate snowfall and showers.
The sky will be cloudy:
3% middle clouds (from 2,000 to 6,000 meters: Altostratus, Altocumulus)
59% 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 moderate breeze, fog will form, and the mean air pressure will be 1003 mb. Relative humidity will be 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
2.5 42%
29%
0 °C
-5 °C
14 km/h
21 km/h
1008 mb
77.1%
402 m
408 m
May, 4 00:00 @ Extremely stable
03:00
-1 °C
-5 °C
11 km/h
21 km/h
1006 mb
81.2%
308 m
223 m
May, 4 03:00 @ Extremely stable
06:00
0.6 43%
19%
-1 °C
-4 °C
10 km/h
24 km/h
1005 mb
82.2%
371 m
536 m
May, 4 06:00 @ Extremely stable
09:00
0.4 38%
28%
1 °C
-4 °C
13 km/h
29 km/h
1004 mb
73.5%
469 m
936 m
May, 4 09:00 @ Very stable
12:00
0.7 45%
28%
3 °C
-2 °C
19 km/h
35 km/h
1003 mb
62.0%
632 m
1,397 m
May, 4 12:00 @ Very stable
15:00
0.9 49%
58%
3 °C
-2 °C
22 km/h
37 km/h
1002 mb
67.9%
691 m
1,349 m
May, 4 15:00 @ Very stable
18:00
1.7 50%
71%
3 °C
-2 °C
22 km/h
37 km/h
1001 mb
58.7%
745 m
1,534 m
May, 4 18:00 @ Very stable
21:00
2 °C
-3 °C
14 km/h
27 km/h
1002 mb
66.9%
622 m
682 m
May, 4 21:00 @ Stable
5 May will be cool and the weather will be .
There is a 44% probability of light rainfall, light snowfall and showers.
The sky will be :
128% middle clouds (from 2,000 to 6,000 meters: Altostratus, Altocumulus)
465% low clouds (below 2,000 meters: Cumulus, Stratocumulus, Stratus, Fractostratus)
86% convective clouds (Cumulonimbus)
The highest temperature will reach 5 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 8023 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
0 °C
-4 °C
12 km/h
18 km/h
1002 mb
78.8%
492 m
160 m
May, 5 00:00 @ Stable
03:00
0.4 44%
41%
-1 °C
-5 °C
11 km/h
11 km/h
1002 mb
85.0%
415 m
101 m
May, 5 03:00 @ Very stable
06:00
0.8 25%
35%
-1 °C
-4 °C
10 km/h
11 km/h
1003 mb
83.3%
404 m
98 m
May, 5 06:00 @ Very stable
09:00
2 °C
-2 °C
11 km/h
22 km/h
1003 mb
70.0%
575 m
822 m
May, 5 09:00 @ Stable
12:00
0.2 28%
53%
3 °C
1 °C
10 km/h
21 km/h
1004 mb
57.9%
711 m
1,410 m
May, 5 12:00 @ Stable
15:00
0.3 36%
92%
4 °C
2 °C
10 km/h
20 km/h
1004 mb
55.3%
791 m
1,368 m
May, 5 15:00 @ Stable
18:00
0.5 31%
90%
4 °C
2 °C
9 km/h
16 km/h
1004 mb
52.5%
858 m
1,314 m
May, 5 18:00 @ Stable
21:00
3 °C
2 °C
5 km/h
10 km/h
1005 mb
62.8%
766 m
448 m
May, 5 21:00 @ Stable
Hallkelstaðir
22:56 
