– Lat/Long: 51.95° N 179.62° E
Semisopochnoi Weather Forecast
Aleutian Islands · United StatesIssued: 3 am Wed 28 Oct Local Time
Updates in:
Update imminent hr min s
Issued: 3 am Wed 28 Oct Local Time
Updates in:
Update imminent hr min s
2 Semisopochnoi Elevations: 2 Forecast Elevations: Days 1–3 Weather SummaryModerate rain (total 12mm) heaviest on Wed morning, then becoming colder with a dusting of snow on Thu afternoon. Freeze-thaw conditions (max 6°C on Wed afternoon, min -1°C on Fri morning). Winds decreasing (extremely windy from the SW on Wed night, moderate winds from the WSW by Fri night). | Days 4–6 Weather SummaryHeavy rain (total 31mm), heaviest during Sat night. Mild temperatures (max 8°C on Sat night, min 1°C on Mon night). Winds decreasing (severe gales from the SSE on Sat night, calm by Sun night). | |||||||||||||||||
Wednesday 28 | Thursday 29 | Friday 30 | Saturday 31 | Sunday 1 | Monday 2 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  |  |  |  |  |  | | | |  | | |  | |  | | |
light rain | rain shwrs | rain shwrs | light rain | light snow | cloudy | some clouds | clear | rain shwrs | light rain | light rain | heavy rain | rain shwrs | light rain | mod. rain | some clouds | cloudy | light rain | |
Cloud base (m) | 1900 | 1400 | 100 | 0 | 250 | 400 | 1600 | 200 | 150 | 50 | 50 | |||||||
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
 cm | — | — | — | — | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — |
mm | 4 | 4 | 1.6 | 0.9 | — | — | — | — | 1 | 3 | 1.1 | 19 | 0.2 | 0.2 | 7 | — | — | 0.3 |
max °C | 5 | 6 | 5 | 2 | 2 | 0 | -1 | 0 | 3 | 4 | 5 | 8 | 6 | 5 | 3 | 2 | 2 | 2 |
min °C | 3 | 6 | 2 | 2 | 2 | 0 | -1 | 0 | 1 | 4 | 4 | 5 | 6 | 4 | 2 | 2 | 2 | 1 |
chill °C | -4 | -1 | -8 | -8 | -8 | -10 | -12 | -10 | -7 | -2 | -2 | -3 | 2 | 4 | -4 | -4 | -5 | -6 |
Freezing level m | 1050 | 2250 | 1000 | 800 | 750 | 550 | 400 | 450 | 800 | 1350 | 1600 | 2700 | 2100 | 1500 | 900 | 750 | 750 | 700 |
 | 10:48 | — | — | 10:49 | — | — | 10:52 | — | — | 10:53 | — | — | 9:56 | — | — | 10:56 | — | — |
 | — | 8:39 | — | — | 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: Moderate rain (total 12mm) heaviest on Wed morning, then becoming colder with a dusting of snow on Thu afternoon. Freeze-thaw conditions (max 6°C on Wed afternoon, min -1°C on Fri morning). Winds decreasing (extremely windy from the SW on Wed night, moderate winds from the WSW by Fri night).
Semisopochnoi Weather (Days 3-6):
Heavy rain (total 31mm), heaviest during Sat night. Mild temperatures (max 8°C on Sat night, min 1°C on Mon night). Winds decreasing (severe gales from the SSE on Sat night, calm by Sun 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 | |||||
SHIP1404 | |||||
Adak Naval Air Station Airport |  | ||||
BUOY-ADKA2 | |||||
Atka Airport |  | ||||
SHIP1444 | |||||
SHIP187 | |||||
SHIP2946 | |||||
SHIP2555 | |||||
SHIP1883 |
* 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.