– Lat/Long: 51.95° N 179.62° E
Semisopochnoi Weather Forecast
Aleutian Islands · United StatesIssued: 8 am Thu 12 Nov Local Time
Updates in:
Update imminent hr min s
Issued: 8 am Thu 12 Nov Local Time
Updates in:
Update imminent hr min s
2 Semisopochnoi Elevations: 2 Forecast Elevations: Days 1–3 Weather SummaryLight rain (total 5mm), mostly falling on Fri night. Freeze-thaw conditions (max 3°C on Fri night, min -1°C on Thu morning). Winds increasing (moderate winds from the W on Thu morning, severe gales from the SW by Fri night). | Days 4–6 Weather SummaryA light fall of snow, heaviest on Mon afternoon. Turning milder with light rain (total 6mm) on Mon afternoon. Freeze-thaw conditions (max 6°C on Mon afternoon, min -3°C on Tue night). Winds increasing (light winds from the W on Sun night, extremely windy from the WNW by Tue morning). | |||||||||||||||||
Thursday 12 | Friday 13 | Saturday 14 | Sunday 15 | Monday 16 | Tuesday 17 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  |  |  |  | | | | | | |  | |  | | | | |
clear | clear | some clouds | some clouds | cloudy | rain shwrs | cloudy | cloudy | some clouds | clear | some clouds | some clouds | light snow | light snow | light snow | light snow | light snow | light snow | |
Cloud base (m) | 850 | 450 | 450 | 300 | 700 | 0 | 50 | 150 | 300 | 250 | 500 | 700 | 400 | 0 | ||||
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
 cm | — | — | — | — | — | — | — | — | — | — | — | — | 4 | 4 | 1 | 3 | 2 | 2 |
mm | — | — | — | — | — | 5 | — | — | — | — | — | — | — | 4 | 1.2 | — | — | — |
max °C | -1 | 0 | 0 | 0 | 1 | 3 | 0 | 0 | 0 | -1 | -1 | -1 | -1 | 6 | 3 | 0 | -2 | -2 |
min °C | -1 | -1 | -1 | 0 | 1 | 1 | 0 | 0 | -1 | -1 | -1 | -1 | -2 | 2 | 1 | -1 | -2 | -3 |
chill °C | -7 | -8 | -8 | -8 | -7 | -8 | -9 | -8 | -9 | -10 | -10 | -7 | -11 | -8 | -9 | -13 | -14 | -14 |
Freezing level m | 450 | 450 | 450 | 500 | 600 | 850 | 550 | 450 | 450 | 400 | 400 | 400 | 200 | 1150 | 750 | 500 | 300 | 250 |
 | 10:15 | — | — | 10:18 | — | — | 10:19 | — | — | 10:21 | — | — | 10:22 | — | — | 10:25 | — | — |
 | — | 7:14 | — | — | 7:12 | — | — | 7:10 | — | — | 7:08 | — | — | 7:07 | — | — | 7:07 | — |
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Semisopochnoi Weather (Days 0-3):
The weather forecast for Semisopochnoi is: Light rain (total 5mm), mostly falling on Fri night. Freeze-thaw conditions (max 3°C on Fri night, min -1°C on Thu morning). Winds increasing (moderate winds from the W on Thu morning, severe gales from the SW by Fri night).
Semisopochnoi Weather (Days 3-6):
A light fall of snow, heaviest on Mon afternoon. Turning milder with light rain (total 6mm) on Mon afternoon. Freeze-thaw conditions (max 6°C on Mon afternoon, min -3°C on Tue night). Winds increasing (light winds from the W on Sun night, extremely windy from the WNW by Tue morning).
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.
| Weather Station | Temp. | Weather | Wind | Gusts | Cloud / Visibility |
|---|---|---|---|---|---|
Western Aleutians Buoy | |||||
SHIP398 | |||||
Adak Naval Air Station Airport |  | ||||
BUOY-ADKA2 | |||||
Eareckso / hemya Airport | | ||||
Adak Naval Air Station Airport | | ||||
BUOY-ADKA2 | |||||
Eareckso / hemya Airport | | ||||
Atka Airport |  | ||||
BUOY-ATKA2 |
* 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.