– Lat/Long: 51.95° N 179.62° E
Semisopochnoi Weather Forecast
Aleutian Islands · United StatesIssued: 9 pm Wed 28 Oct Local Time
Updates in:
Update imminent hr min s
Issued: 9 pm Wed 28 Oct Local Time
Updates in:
Update imminent hr min s
2 Semisopochnoi Elevations: 2 Forecast Elevations: Days 1–4 Weather SummaryA dusting of snow giving way to moderate rain (total 14mm) heaviest on Sat afternoon. Freeze-thaw conditions (max 5°C on Wed night, min -1°C on Fri morning). Winds decreasing (extremely windy from the WSW on Thu morning, strong winds from the SSW by Sat morning). | Days 5–7 Weather SummaryMild with light rain (total 9mm) on Sat night Becoming colder with a light covering of snow, mostly falling on Tue afternoon. Freeze-thaw conditions (max 8°C on Sat night, min -2°C on Mon afternoon). Winds decreasing (gales from the WNW on Mon morning, moderate winds from the SSE by Tue morning). | |||||||||||||||
Thursday 29 | Friday 30 | Saturday 31 | Sunday 1 | Monday 2 | ||||||||||||
night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  | |  |  | |  | |  | |  | |  | | | | |
rain shwrs | light rain | light rain | light snow | some clouds | some clouds | light rain | light rain | mod. rain | rain shwrs | rain shwrs | rain shwrs | some clouds | some clouds | some clouds | some clouds | |
Cloud base (m) | 1900 | 100 | 0 | 300 | 500 | 300 | 150 | 400 | 250 | 300 | 500 | 200 | ||||
km/h | ||||||||||||||||
 |  |  |  |  |  | |||||||||||
 cm | — | — | — | 2 | — | — | — | — | — | — | — | — | — | — | — | — |
mm | 2 | 0.9 | 1.4 | — | — | — | 3 | 0.4 | 6 | 8 | 0.3 | 0.5 | — | — | — | — |
max °C | 5 | 2 | 2 | 1 | -1 | 0 | 4 | 4 | 5 | 8 | 6 | 3 | 2 | -1 | -1 | 0 |
min °C | 2 | 2 | 0 | 0 | -1 | -1 | 1 | 4 | 4 | 7 | 5 | 3 | -1 | -1 | -2 | -1 |
chill °C | -8 | -8 | -10 | -10 | -12 | -11 | -7 | -3 | -3 | 1 | -1 | -3 | -10 | -11 | -12 | -11 |
Freezing level m | 1050 | 800 | 550 | 700 | 400 | 450 | 750 | 1300 | 1200 | 2450 | 1800 | 1000 | 700 | 400 | 350 | 400 |
 | — | 10:49 | — | — | 10:52 | — | — | 10:53 | — | — | 9:56 | — | — | 10:56 | — | — |
 | — | — | 8:38 | — | — | 8:37 | — | — | 8:35 | — | — | 7:32 | — | — | 8:30 | — |
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Semisopochnoi Weather (Days 0-3):
The weather forecast for Semisopochnoi is: A dusting of snow giving way to moderate rain (total 14mm) heaviest on Sat afternoon. Freeze-thaw conditions (max 5°C on Wed night, min -1°C on Fri morning). Winds decreasing (extremely windy from the WSW on Thu morning, strong winds from the SSW by Sat morning).
Semisopochnoi Weather (Days 3-6):
Mild with light rain (total 9mm) on Sat night Becoming colder with a light covering of snow, mostly falling on Tue afternoon. Freeze-thaw conditions (max 8°C on Sat night, min -2°C on Mon afternoon). Winds decreasing (gales from the WNW on Mon morning, moderate winds from the SSE 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 | |||||
SHIP2003 | |||||
Adak Naval Air Station Airport |  | ||||
BUOY-ADKA2 | |||||
ASCATC185E53N | |||||
SHIP1644 | |||||
SHIP1432 | |||||
SHIP1037 | |||||
SHIP294 | |||||
SHIP730 |
* 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.