Mountain resort image
– Lat/Long: 51.95° N 179.62° E

Semisopochnoi Weather Forecast

Aleutian Islands · United States
Issued: 9 am Fri 30 Oct Local Time
Updates in:
hr min s
Update imminent 

Days 1–3 Weather Summary

Heavy rain (total 23mm), heaviest during Sat night. Later becoming colder with a dusting of snow on Sun afternoon. Freeze-thaw conditions (max 7°C on Sat night, min 0°C on Fri morning). Winds decreasing (severe gales from the NW on Fri morning, strong winds from the SSW by Sat afternoon).

Days 4–6 Weather Summary

A dusting of new snow. Freeze-thaw conditions (max 2°C on Mon night, min -2°C on Wed night). Winds decreasing (gales from the NW on Mon afternoon, strong winds from the NW by Wed night).

Friday
30
Saturday
31
Sunday
1
Monday
2
Tuesday
3
Wednesday
4
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
part cloud
part cloud
rain showers
light rain
light rain
heavy rain
light rain
snow showers
light snow
snow showers
part cloud
part cloud
cloud
cloud
part cloud
cloud
cloud
cloud
some clouds
some clouds
rain shwrs
light rain
light rain
heavy rain
light rain
snow shwrs
light snow
snow shwrs
some clouds
some clouds
cloudy
cloudy
some clouds
cloudy
cloudy
cloudy
Cloud base (m)
150
500
550
200
250
300
100
100
250
100
450
300
500
650
km/h
75
NW
75
NW
45
W
60
WSW
40
SSW
50
SSW
60
WSW
50
SW
60
SSW
55
WSW
70
NW
60
W
60
WNW
50
NW
55
NW
55
NW
55
NW
45
NW
Weather map
Weather map
Weather map
Weather map
Weather map
Weather map
Snowflake cm
—
—
—
—
—
—
—
1
1
1
—
—
—
—
—
—
—
—
 mm
—
—
3
2
1
16
0.6
—
—
—
—
—
—
—
—
—
—
—
max °C
0
0
3
4
4
7
5
2
1
1
1
2
1
1
0
-1
-1
-1
min °C
0
0
0
4
4
4
3
0
0
1
0
1
1
1
-1
-1
-1
-2
 chill °C
-10
-10
-8
-3
-2
-4
-4
-9
-9
-7
-9
-7
-7
-7
-10
-10
-10
-11
Freezing level m
500
450
550
1250
1300
3100
1700
700
600
700
550
600
650
600
500
350
400
350
Sea lvl1000m2000m3000m4000m5000m
-6-7-4003-1-5-5-4-5-4-5-5-8-8-8-900244641111211-1-1-1-2
Sunrise
10:52
—
—
10:53
—
—
9:56
—
—
10:56
—
—
10:59
—
—
11:00
—
—
Sunset
—
8:37
—
—
8:35
—
—
7:32
—
—
8:30
—
—
8:29
—
—
8:28
—

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Semisopochnoi Weather (Days 0-3):

The weather forecast for Semisopochnoi is: Heavy rain (total 23mm), heaviest during Sat night. Later becoming colder with a dusting of snow on Sun afternoon. Freeze-thaw conditions (max 7°C on Sat night, min 0°C on Fri morning). Winds decreasing (severe gales from the NW on Fri morning, strong winds from the SSW by Sat afternoon).

Semisopochnoi Weather (Days 3-6):

A dusting of new snow. Freeze-thaw conditions (max 2°C on Mon night, min -2°C on Wed night). Winds decreasing (gales from the NW on Mon afternoon, strong winds from the NW by Wed night).

This table gives the weather forecast for Semisopochnoi at the specific elevation of 500 m. Our advanced weather models allow us to provide distinct weather forecasts for several elevations of Semisopochnoi. To see the weather forecasts for the other elevations, use the tab navigation above the table.For a wider overview of the weather, consult the Weather Map of Alaska United States.

Live conditions reported by 10 closest weather stations

Weather StationTemp.WeatherWindGusts
Cloud
Visibility
Cloud / Visibility
Adak Naval Air Station Airport
256 km E
506m alt.
2 hours ago
4°C
light rain
Light rain .
37
Fresh winds from the NW
(37 kph at 310).
16 km
Low: broken
Mid: broken
High: broken
BUOY-ADKA2
257 km E
3m alt.
1 hour ago
35
Fresh winds from the WNW
(35 kph at 290).
Eareckso / hemya Airport
383 km W
218m alt.
3 hours ago
4°C
partially cloudy
Dry and partly cloudy.
43
Strong winds from the NW
(43 kph at 310).
16 km
Low: scattered
Atka Airport
423 km E
211m alt.
3 hours ago
6°C
cloudy
Dry and cloudy.
59
Near gales from the WNW
(59 kph at 300).
13 km
Low: broken
Mid: overcast
BUOY-ATKA2
425 km E
3m alt.
1 hour ago
61
Near gales from the NW
(61 kph at 310).
SHIP286
449 km WNW
-m alt.
2 hours ago
4°C
-
47
Strong winds from the NW
(47 kph at 310).
SHIP902
449 km WNW
-m alt.
2 hours ago
4°C
-
47
Strong winds from the NW
(47 kph at 310).
SHIP1086
449 km WNW
-m alt.
2 hours ago
4°C
-
47
Strong winds from the NW
(47 kph at 310).
SHIP1136
449 km WNW
-m alt.
2 hours ago
4°C
-
47
Strong winds from the NW
(47 kph at 310).
SHIP1370
449 km WNW
-m alt.
2 hours ago
4°C
-
47
Strong winds from the NW
(47 kph at 310).

* NOTE: not all weather observatories update at the same frequency which is the reason why some locations may show data from stations that are further away than known closer ones.