– Lat/Long: 51.95° N 179.62° E
Semisopochnoi Weather Forecast
Aleutian Islands · United StatesIssued: 3 pm Sat 31 Oct Local Time
Updates in:
Update imminent hr min s
Issued: 3 pm Sat 31 Oct Local Time
Updates in:
Update imminent hr min s
2 Semisopochnoi Elevations: 2 Forecast Elevations: Days 1–4 Weather SummaryModerate rain (total 11mm) heaviest on Sat night, then becoming colder with a dusting of snow on Sun afternoon. Freeze-thaw conditions (max 8°C on Sat night, min 0°C on Sun night). Winds increasing (fresh winds from the SSW on Sat afternoon, severe gales from the WNW by Mon night). | Days 5–7 Weather SummaryA dusting of new snow. Temperatures will be below freezing (max 0°C on Tue afternoon, min -2°C on Tue night). Winds increasing (strong winds from the WNW on Tue afternoon, severe gales from the WNW by Thu afternoon). | ||||||||||||||||
Sat 31 | Sunday 1 | Monday 2 | Tuesday 3 | Wednesday 4 | Thursday 5 | ||||||||||||
PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  |  |  | |  |  | | | | |  |  |  | | | |
light rain | mod. rain | rain shwrs | snow shwrs | light snow | snow shwrs | some clouds | some clouds | some clouds | some clouds | light snow | some clouds | light snow | cloudy | cloudy | cloudy | cloudy | |
Cloud base (m) | 100 | 1200 | 100 | 150 | 200 | 200 | 400 | 400 | 550 | 600 | 550 | 550 | 350 | ||||
km/h | |||||||||||||||||
 |  |  |  |  |  | ||||||||||||
 cm | — | — | — | 1 | 1 | 1 | — | — | — | — | 1 | — | 1 | — | — | — | — |
mm | 0.9 | 10 | 0.2 | 0.2 | — | — | — | — | — | — | — | — | — | — | — | — | — |
max °C | 4 | 8 | 6 | 2 | 1 | 1 | 2 | 1 | 1 | 0 | 0 | -2 | -2 | -2 | -2 | -2 | -1 |
min °C | 4 | 5 | 3 | 1 | 0 | 1 | 1 | 0 | 1 | 0 | -2 | -2 | -2 | -2 | -2 | -2 | -2 |
chill °C | -2 | -2 | -5 | -7 | -9 | -7 | -7 | -9 | -7 | -8 | -12 | -12 | -11 | -11 | -12 | -12 | -12 |
Freezing level m | 1250 | 2850 | 1900 | 750 | 600 | 700 | 650 | 600 | 550 | 550 | 450 | 300 | 300 | 300 | 250 | 300 | 350 |
 | — | — | 9:56 | — | — | 10:56 | — | — | 10:59 | — | — | 11:00 | — | — | 11:03 | — | — |
 | 8:35 | — | — | 7:32 | — | — | 8:30 | — | — | 8:29 | — | — | 8:28 | — | — | 8:25 | — |
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Semisopochnoi Weather (Days 0-3):
The weather forecast for Semisopochnoi is: Moderate rain (total 11mm) heaviest on Sat night, then becoming colder with a dusting of snow on Sun afternoon. Freeze-thaw conditions (max 8°C on Sat night, min 0°C on Sun night). Winds increasing (fresh winds from the SSW on Sat afternoon, severe gales from the WNW by Mon night).
Semisopochnoi Weather (Days 3-6):
A dusting of new snow. Temperatures will be below freezing (max 0°C on Tue afternoon, min -2°C on Tue night). Winds increasing (strong winds from the WNW on Tue afternoon, severe gales from the WNW by Thu afternoon).
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 | |||||
SHIP1689 | |||||
SHIP147 | |||||
SHIP117 | |||||
SHIP1538 |
* 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.