– Lat/Long: 51.95° N 179.62° E
Semisopochnoi Weather Forecast
Aleutian Islands · United StatesIssued: 2 am Sun 15 Nov Local Time
Updates in:
Update imminent hr min s
Issued: 2 am Sun 15 Nov Local Time
Updates in:
Update imminent hr min s
2 Semisopochnoi Elevations: 2 Forecast Elevations: Days 1–3 Weather SummaryA light covering of new snow mostly falling on Mon morning. Becoming milder with moderate rain (total 18mm) heaviest on Mon afternoon. Freeze-thaw conditions (max 5°C on Mon afternoon, min -4°C on Tue night). Winds increasing (moderate winds from the SW on Sun night, extremely windy from the W by Mon night). | Days 4–6 Weather SummaryA light covering of new snow mostly falling on Thu afternoon. Becoming milder with moderate rain (total 18mm) heaviest on Thu afternoon. Freeze-thaw conditions (max 5°C on Thu night, min -5°C on Wed afternoon). Winds decreasing (gales from the WNW on Wed morning, light winds from the WNW by Fri night). | |||||||||||||||||
Sunday 15 | Monday 16 | Tuesday 17 | Wednesday 18 | Thursday 19 | Friday 20 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  |  |  |  |  | |  | | | | | | |  |  | | |
clear | clear | some clouds | light snow | heavy rain | light rain | cloudy | cloudy | light snow | light snow | light snow | light snow | cloudy | light snow | light rain | mod. rain | rain shwrs | light rain | |
Cloud base (m) | 400 | 600 | 600 | 750 | 100 | 150 | 650 | 350 | 650 | 650 | 650 | 350 | 50 | 0 | 300 | |||
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
 cm | — | — | — | 5 | — | — | — | — | 2 | 1 | 2 | 1 | — | 3 | — | — | — | — |
mm | — | — | — | — | 17 | 0.8 | — | — | — | — | — | — | — | 7 | 5 | 6 | 0.1 | 0.1 |
max °C | -1 | -1 | -1 | -1 | 5 | 5 | -3 | -3 | -3 | -4 | -3 | -3 | -2 | 2 | 5 | 5 | 3 | 3 |
min °C | -1 | -1 | -1 | -2 | 5 | -1 | -3 | -3 | -4 | -4 | -5 | -3 | -3 | -1 | 4 | 3 | 3 | 0 |
chill °C | -11 | -10 | -9 | -10 | -4 | -12 | -14 | -14 | -14 | -15 | -16 | -13 | -11 | -9 | -1 | -3 | -3 | -6 |
Freezing level m | 350 | 400 | 400 | 250 | 1650 | 450 | 200 | 150 | 150 | 50 | 0 | 0 | 250 | 150 | 2250 | 1800 | 1250 | 850 |
 | 10:21 | — | — | 10:22 | — | — | 10:25 | — | — | 10:26 | — | — | 10:27 | — | — | 10:30 | — | — |
 | — | 7:08 | — | — | 7:07 | — | — | 7:07 | — | — | 7:06 | — | — | 7:04 | — | — | 7:02 | — |
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Semisopochnoi Weather (Days 0-3):
The weather forecast for Semisopochnoi is: A light covering of new snow mostly falling on Mon morning. Becoming milder with moderate rain (total 18mm) heaviest on Mon afternoon. Freeze-thaw conditions (max 5°C on Mon afternoon, min -4°C on Tue night). Winds increasing (moderate winds from the SW on Sun night, extremely windy from the W by Mon night).
Semisopochnoi Weather (Days 3-6):
A light covering of new snow mostly falling on Thu afternoon. Becoming milder with moderate rain (total 18mm) heaviest on Thu afternoon. Freeze-thaw conditions (max 5°C on Thu night, min -5°C on Wed afternoon). Winds decreasing (gales from the WNW on Wed morning, light winds from the WNW by Fri 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 | |||||
Adak Naval Air Station Airport |  | ||||
BUOY-ADKA2 | |||||
Eareckso / hemya Airport |  | ||||
Atka Airport |  | ||||
BUOY-ATKA2 | |||||
SHIP264 | |||||
SHIP319 | |||||
SHIP550 | |||||
SHIP437 |
* 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.