– Lat/Long: 51.95° N 179.62° E
Semisopochnoi Weather Forecast
Aleutian Islands · United StatesIssued: 3 pm Thu 29 Oct Local Time
Updates in:
Update imminent hr min s
Issued: 3 pm Thu 29 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 19mm) heaviest on Sat 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, fresh winds from the SSW by Sat afternoon). | Days 5–7 Weather SummaryA dusting of new snow. Freeze-thaw conditions (max 3°C on Sun afternoon, min -2°C on Mon night). Winds decreasing (severe gales from the NW on Mon afternoon, light winds from the N by Tue afternoon). | ||||||||||||||||
Thu 29 | Friday 30 | Saturday 31 | Sunday 1 | Monday 2 | Tuesday 3 | ||||||||||||
PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  | |  | | |  |  | |  |  | |  |  | | | |
light rain | light snow | some clouds | some clouds | rain shwrs | light rain | light rain | heavy rain | rain shwrs | rain shwrs | clear | snow shwrs | some clouds | cloudy | cloudy | cloudy | cloudy | |
Cloud base (m) | 100 | 0 | 200 | 500 | 400 | 200 | 50 | 0 | 400 | 1600 | 50 | 400 | 500 | 500 | 500 | ||
km/h | |||||||||||||||||
 |  |  |  |  |  | ||||||||||||
 cm | — | 2 | — | — | — | — | — | — | — | — | — | 1 | — | — | — | — | — |
mm | 0.6 | — | — | — | 1.8 | 3 | 2 | 11 | 0.3 | 0.2 | — | — | — | — | — | — | — |
max °C | 2 | 2 | -1 | 0 | 3 | 5 | 4 | 8 | 5 | 3 | 1 | 1 | 0 | -1 | -1 | -1 | -2 |
min °C | 2 | 0 | -1 | -1 | 0 | 4 | 4 | 5 | 5 | 1 | 1 | 0 | -1 | -2 | -1 | -2 | -2 |
chill °C | -6 | -10 | -12 | -11 | -8 | -3 | -2 | -2 | -1 | -8 | -7 | -6 | -11 | -12 | -8 | -6 | -8 |
Freezing level m | 800 | 750 | 400 | 450 | 600 | 1450 | 1350 | 2950 | 1650 | 850 | 650 | 500 | 450 | 250 | 350 | 350 | 300 |
 | — | — | 10:52 | — | — | 10:53 | — | — | 9:56 | — | — | 10:56 | — | — | 10:59 | — | — |
 | 8:38 | — | — | 8:37 | — | — | 8:35 | — | — | 7:32 | — | — | 8:30 | — | — | 8:29 | — |
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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 19mm) heaviest on Sat 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, fresh winds from the SSW by Sat afternoon).
Semisopochnoi Weather (Days 3-6):
A dusting of new snow. Freeze-thaw conditions (max 3°C on Sun afternoon, min -2°C on Mon night). Winds decreasing (severe gales from the NW on Mon afternoon, light winds from the N by Tue 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 |
|---|---|---|---|---|---|
Adak Naval Air Station Airport |  | ||||
BUOY-ADKA2 | |||||
Eareckso / hemya Airport |  | ||||
Atka Airport | | ||||
BUOY-ATKA2 | |||||
SHIP508 | |||||
SHIP129 | |||||
SHIP1035 | |||||
SHIP1186 | |||||
SHIP308 |
* 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.