– Lat/Long: 51.95° N 179.62° E
Semisopochnoi Weather Forecast
Aleutian Islands · United StatesIssued: 3 pm Fri 30 Oct Local Time
Updates in:
Update imminent hr min s
Issued: 3 pm Fri 30 Oct Local Time
Updates in:
Update imminent hr min s
2 Semisopochnoi Elevations: 2 Forecast Elevations: Days 1–4 Weather SummaryModerate rain (total 19mm) heaviest on Sat night, then becoming colder with a dusting of snow on Sun night. Freeze-thaw conditions (max 7°C on Sat night, min 0°C on Fri afternoon). Winds increasing (fresh winds from the S on Sat afternoon, severe gales from the WSW by Mon morning). | Days 5–7 Weather SummaryA dusting of new snow. Freeze-thaw conditions (max 2°C on Mon night, min -3°C on Wed night). Winds decreasing (severe gales from the NW on Mon afternoon, fresh winds from the NW by Wed night). | ||||||||||||||||
Fri 30 | Saturday 31 | Sunday 1 | Monday 2 | Tuesday 3 | Wednesday 4 | ||||||||||||
PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  | | |  |  |  | |  |  | | | | | |  | |
clear | rain shwrs | light rain | light rain | rain shwrs | rain shwrs | some clouds | snow shwrs | some clouds | cloudy | some clouds | some clouds | cloudy | some clouds | cloudy | cloudy | light snow | |
Cloud base (m) | 400 | 800 | 200 | 150 | 0 | 300 | 50 | 300 | 300 | 400 | 300 | 450 | 550 | 150 | |||
km/h | |||||||||||||||||
 |  |  |  |  |  | ||||||||||||
 cm | — | — | — | — | — | — | — | 2 | — | — | — | — | — | — | — | — | 1 |
mm | — | 3 | 1.5 | 0.9 | 13 | 0.2 | — | — | — | — | — | — | — | — | — | — | — |
max °C | 0 | 3 | 4 | 4 | 7 | 6 | 1 | 1 | 1 | 1 | 2 | 1 | 1 | 0 | -1 | -1 | -1 |
min °C | 0 | 0 | 4 | 4 | 4 | 3 | 0 | 0 | 1 | 0 | 1 | 1 | 1 | -1 | -1 | -1 | -3 |
chill °C | -10 | -8 | -3 | -2 | -4 | -4 | -8 | -9 | -8 | -10 | -7 | -7 | -6 | -9 | -9 | -9 | -10 |
Freezing level m | 450 | 550 | 1250 | 1350 | 2850 | 1800 | 650 | 600 | 550 | 550 | 700 | 650 | 600 | 500 | 350 | 350 | 200 |
 | — | — | 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: Moderate rain (total 19mm) heaviest on Sat night, then becoming colder with a dusting of snow on Sun night. Freeze-thaw conditions (max 7°C on Sat night, min 0°C on Fri afternoon). Winds increasing (fresh winds from the S on Sat afternoon, severe gales from the WSW by Mon morning).
Semisopochnoi Weather (Days 3-6):
A dusting of new snow. Freeze-thaw conditions (max 2°C on Mon night, min -3°C on Wed night). Winds decreasing (severe gales from the NW on Mon afternoon, fresh winds 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 | |||||
SHIP482 | |||||
SHIP86 | |||||
SHIP861 | |||||
SHIP968 | |||||
SHIP1316 |
* 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.