– Lat/Long: 51.95° N 179.62° E
Semisopochnoi Weather Forecast
Aleutian Islands · United StatesIssued: 9 pm Sun 04 Oct Local Time
Updates in:
Update imminent hr min s
Issued: 9 pm Sun 04 Oct Local Time
Updates in:
Update imminent hr min s
2 Semisopochnoi Elevations: 2 Forecast Elevations: Days 1–4 Weather SummaryHeavy rain (total 48mm), heaviest during Wed morning. Mild temperatures (max 7°C on Wed morning, min 4°C on Sun night). Winds increasing (light winds from the WSW on Tue afternoon, extremely windy from the SSE by Wed afternoon). | Days 5–7 Weather SummaryModerate rain (total 15mm), heaviest on Wed night. Very mild (max 10°C on Wed night, min 3°C on Wed night). Winds decreasing (stormy winds from the WNW on Wed night, strong winds from the W by Sat morning). | |||||||||||||||
Monday 5 | Tuesday 6 | Wednesday 7 | Thursday 8 | Friday 9 | ||||||||||||
night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  | |  | |  |  |  | | | | | |  |  |  | |
rain shwrs | clear | clear | clear | clear | cloudy | mod. rain | heavy rain | heavy rain | rain shwrs | clear | clear | rain shwrs | rain shwrs | light rain | light rain | |
Cloud base (m) | 800 | 650 | 850 | 9100 | 2300 | 150 | 0 | 150 | 500 | 650 | 50 | 450 | 500 | 350 | ||
km/h | ||||||||||||||||
 |  |  |  |  |  | |||||||||||
 cm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
mm | 0.2 | — | — | — | — | — | 9 | 21 | 18 | 11 | — | — | 3 | 0.2 | 0.2 | 0.8 |
max °C | 4 | 4 | 4 | 5 | 5 | 5 | 6 | 7 | 7 | 10 | 4 | 4 | 4 | 4 | 4 | 3 |
min °C | 4 | 4 | 4 | 4 | 4 | 5 | 4 | 7 | 7 | 3 | 4 | 4 | 4 | 4 | 3 | 3 |
chill °C | -3 | -2 | -1 | -1 | -1 | 2 | -2 | 0 | 1 | -5 | -3 | -3 | -4 | -3 | -4 | -4 |
Freezing level m | 1100 | 1000 | 1050 | 1200 | 1400 | 1600 | 1600 | 3300 | 3100 | 3450 | 1050 | 1100 | 950 | 1050 | 950 | 950 |
 | — | 10:07 | — | — | 10:10 | — | — | 10:11 | — | — | 10:12 | — | — | 10:15 | — | — |
 | — | — | 9:30 | — | — | 9:27 | — | — | 9:24 | — | — | 9:22 | — | — | 9:21 | — |
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Semisopochnoi Weather (Days 0-3):
The weather forecast for Semisopochnoi is: Heavy rain (total 48mm), heaviest during Wed morning. Mild temperatures (max 7°C on Wed morning, min 4°C on Sun night). Winds increasing (light winds from the WSW on Tue afternoon, extremely windy from the SSE by Wed afternoon).
Semisopochnoi Weather (Days 3-6):
Moderate rain (total 15mm), heaviest on Wed night. Very mild (max 10°C on Wed night, min 3°C on Wed night). Winds decreasing (stormy winds from the WNW on Wed night, strong winds from the W by Sat 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 | |||||
SHIP1381 | |||||
Adak Naval Air Station Airport |  | ||||
BUOY-ADKA2 | |||||
Eareckso / hemya Airport |  | ||||
SHIP1461 | |||||
SHIP314 | |||||
SHIP662 | |||||
SHIP58 | |||||
SHIP1985 |
* 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.