– Lat/Long: 51.95° N 179.62° E
Semisopochnoi Weather Forecast
Aleutian Islands · United StatesIssued: 8 am Wed 11 Nov Local Time
Updates in:
Update imminent hr min s
Issued: 8 am Wed 11 Nov Local Time
Updates in:
Update imminent hr min s
2 Semisopochnoi Elevations: 2 Forecast Elevations: Days 1–3 Weather SummaryLight rain (total 3mm), mostly falling on Fri night. Freeze-thaw conditions (max 3°C on Fri night, min -1°C on Wed morning). Winds increasing (light winds from the WNW on Thu morning, severe gales from the WSW by Fri night). | Days 4–6 Weather SummaryA moderate fall of snow, heaviest on Mon night. Freeze-thaw conditions (max 1°C on Sat morning, min -2°C on Sun morning). Winds increasing (light winds from the SSW on Mon morning, stormy winds from the NE by Mon night). | |||||||||||||||||
Wednesday 11 | Thursday 12 | Friday 13 | Saturday 14 | Sunday 15 | Monday 16 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  | |  | |  | |  | | | | | | | |  |  | |
clear | clear | some clouds | clear | some clouds | some clouds | cloudy | cloudy | rain shwrs | clear | some clouds | some clouds | some clouds | some clouds | some clouds | cloudy | light snow | mod. snow | |
Cloud base (m) | 300 | 650 | 600 | 500 | 1450 | 450 | 350 | 450 | 50 | 150 | 350 | 450 | 200 | 300 | 500 | 1400 | 450 | |
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
 cm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 10 |
mm | — | — | — | — | — | — | — | — | 3 | — | — | — | — | — | — | — | — | — |
max °C | -1 | -1 | -1 | -1 | -1 | 0 | 0 | 1 | 3 | 1 | 0 | 0 | -1 | -1 | -1 | -1 | -1 | -1 |
min °C | -1 | -1 | -1 | -1 | -1 | -1 | 0 | 1 | 1 | 0 | 0 | -1 | -2 | -1 | -2 | -1 | -2 | -2 |
chill °C | -8 | -9 | -6 | -6 | -6 | -8 | -8 | -7 | -8 | -9 | -8 | -9 | -10 | -9 | -9 | -7 | -10 | -11 |
Freezing level m | 400 | 400 | 400 | 400 | 400 | 450 | 500 | 600 | 700 | 600 | 500 | 450 | 350 | 350 | 250 | 350 | 350 | 250 |
 | 10:14 | — | — | 10:15 | — | — | 10:18 | — | — | 10:19 | — | — | 10:21 | — | — | 10:22 | — | — |
 | — | 7:15 | — | — | 7:14 | — | — | 7:12 | — | — | 7:10 | — | — | 7:08 | — | — | 7:07 | — |
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Semisopochnoi Weather (Days 0-3):
The weather forecast for Semisopochnoi is: Light rain (total 3mm), mostly falling on Fri night. Freeze-thaw conditions (max 3°C on Fri night, min -1°C on Wed morning). Winds increasing (light winds from the WNW on Thu morning, severe gales from the WSW by Fri night).
Semisopochnoi Weather (Days 3-6):
A moderate fall of snow, heaviest on Mon night. Freeze-thaw conditions (max 1°C on Sat morning, min -2°C on Sun morning). Winds increasing (light winds from the SSW on Mon morning, stormy winds from the NE by Mon 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.
| Weather Station | Temp. | Weather | Wind | Gusts | Cloud / Visibility |
|---|---|---|---|---|---|
Western Aleutians Buoy | |||||
SHIP439 | |||||
ASCATB178E53N | |||||
ASCATB178E54N | |||||
ASCATB177E53N | |||||
ASCATB177E53N | |||||
ASCATB177E51N | |||||
Adak Naval Air Station Airport |  | ||||
BUOY-ADKA2 | |||||
ASCATB177E54N |
* 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.