– Lat/Long: 51.95° N 179.62° E
Semisopochnoi Weather Forecast
Aleutian Islands · United StatesIssued: 3 am Fri 30 Oct Local Time
Updates in:
Update imminent hr min s
Issued: 3 am Fri 30 Oct Local Time
Updates in:
Update imminent hr min s
2 Semisopochnoi Elevations: 2 Forecast Elevations: Days 1–3 Weather SummaryHeavy rain (total 21mm), heaviest during Sat night. Later becoming colder with a dusting of snow on Sun night. Freeze-thaw conditions (max 8°C on Sat night, min -1°C on Fri morning). Winds decreasing (stormy winds from the NW on Fri morning, moderate winds from the S by Sun night). | Days 4–6 Weather SummaryA dusting of new snow. Freeze-thaw conditions (max 2°C on Mon night, min -1°C on Wed morning). Winds increasing (light winds from the N on Mon morning, severe gales from the NW by Wed night). | |||||||||||||||||
Friday 30 | Saturday 31 | Sunday 1 | Monday 2 | Tuesday 3 | Wednesday 4 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  |  | |  | | |  |  |  | | | | | | | | |
some clouds | some clouds | rain shwrs | light rain | light rain | heavy rain | light rain | some clouds | snow shwrs | light snow | snow shwrs | some clouds | some clouds | some clouds | some clouds | some clouds | some clouds | some clouds | |
Cloud base (m) | 250 | 600 | 600 | 200 | 150 | 300 | 0 | 150 | 350 | 300 | 250 | 450 | 500 | 500 | 500 | |||
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
 cm | — | — | — | — | — | — | — | — | 4 | 2 | 1 | — | — | — | — | — | — | — |
mm | — | — | 3 | 1.9 | 2 | 14 | 0.4 | — | — | — | — | — | — | — | — | — | — | — |
max °C | 0 | 0 | 3 | 4 | 4 | 8 | 6 | 2 | 0 | 1 | 1 | 2 | 1 | 0 | 0 | 0 | -1 | -1 |
min °C | -1 | -1 | 0 | 4 | 4 | 5 | 3 | 1 | 0 | 0 | 1 | 1 | 0 | 0 | 0 | -1 | -1 | -1 |
chill °C | -12 | -11 | -8 | -3 | -2 | -2 | -4 | -7 | -8 | -5 | -7 | -7 | -8 | -8 | -8 | -9 | -9 | -10 |
Freezing level m | 450 | 450 | 550 | 1300 | 1200 | 2950 | 1850 | 750 | 500 | 450 | 600 | 700 | 600 | 500 | 450 | 450 | 450 | 350 |
 | 10:52 | — | — | 10:53 | — | — | 9:56 | — | — | 10:56 | — | — | 10:59 | — | — | 11:00 | — | — |
 | — | 8:37 | — | — | 8:35 | — | — | 7:32 | — | — | 8:30 | — | — | 8:29 | — | — | 8:28 | — |
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Semisopochnoi Weather (Days 0-3):
The weather forecast for Semisopochnoi is: Heavy rain (total 21mm), heaviest during Sat night. Later becoming colder with a dusting of snow on Sun night. Freeze-thaw conditions (max 8°C on Sat night, min -1°C on Fri morning). Winds decreasing (stormy winds from the NW on Fri morning, moderate winds from the S by Sun night).
Semisopochnoi Weather (Days 3-6):
A dusting of new snow. Freeze-thaw conditions (max 2°C on Mon night, min -1°C on Wed morning). Winds increasing (light winds from the N on Mon morning, severe gales from the NW by Wed 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 |
|---|---|---|---|---|---|
Adak Naval Air Station Airport |  | ||||
BUOY-ADKA2 | |||||
Eareckso / hemya Airport |  | ||||
Atka Airport | | ||||
BUOY-ATKA2 | |||||
SHIP129 | |||||
SHIP844 | |||||
SHIP1553 | |||||
SHIP692 | |||||
SHIP972 |
* 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.