– Lat/Long: 51.95° N 179.62° E
Semisopochnoi Weather Forecast
Aleutian Islands · United StatesIssued: 9 am Sat 31 Oct Local Time
Updates in:
Update imminent hr min s
Issued: 9 am Sat 31 Oct Local Time
Updates in:
Update imminent hr min s
2 Semisopochnoi Elevations: 2 Forecast Elevations: Days 1–3 Weather SummaryModerate rain (total 15mm) heaviest on Sat night, then becoming colder with a dusting of snow on Sun night. 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 W by Mon morning). | Days 4–6 Weather SummaryA dusting of new snow. Temperatures will be below freezing (max 0°C on Tue morning, min -3°C on Thu morning). Winds increasing (strong winds from the WNW on Tue afternoon, severe gales from the W by Thu morning). | |||||||||||||||||
Saturday 31 | Sunday 1 | Monday 2 | Tuesday 3 | Wednesday 4 | Thursday 5 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  |  | |  |  | | |  | |  | | | | |  |  | |
light rain | light rain | rain shwrs | rain shwrs | rain shwrs | light snow | snow shwrs | light rain | rain shwrs | cloudy | cloudy | cloudy | cloudy | cloudy | cloudy | cloudy | light snow | some clouds | |
Cloud base (m) | 200 | 150 | 1200 | 100 | 300 | 100 | 100 | 250 | 450 | 500 | 600 | 450 | 50 | 150 | ||||
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
 cm | — | — | — | — | — | 2 | 1 | — | — | — | — | — | — | — | — | — | 1 | — |
mm | 1.7 | 0.6 | 11 | 0.4 | 0.1 | — | — | 0.5 | 0.5 | — | — | — | — | — | — | — | — | — |
max °C | 4 | 4 | 8 | 5 | 2 | 1 | 1 | 2 | 2 | 0 | 0 | -1 | -2 | -2 | -2 | -2 | 0 | 0 |
min °C | 3 | 4 | 4 | 3 | 2 | 0 | 1 | 1 | 0 | -1 | -1 | -2 | -2 | -2 | -2 | -3 | 0 | -1 |
chill °C | -5 | -2 | -4 | -4 | -6 | -9 | -8 | -7 | -9 | -10 | -10 | -12 | -12 | -12 | -12 | -14 | -10 | -11 |
Freezing level m | 1200 | 1300 | 2850 | 1800 | 750 | 650 | 600 | 650 | 600 | 400 | 500 | 350 | 300 | 300 | 300 | 200 | 500 | 400 |
 | 10:53 | — | — | 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 15mm) heaviest on Sat night, then becoming colder with a dusting of snow on Sun night. 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 W by Mon morning).
Semisopochnoi Weather (Days 3-6):
A dusting of new snow. Temperatures will be below freezing (max 0°C on Tue morning, min -3°C on Thu morning). Winds increasing (strong winds from the WNW on Tue afternoon, severe gales from the W by Thu morning).
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(nas) |  | ||||
Adak Naval Air Station Airport | | ||||
BUOY-ADKA2 | |||||
Eareckso / hemya Airport |  | ||||
Atka Airport | | ||||
BUOY-ATKA2 | |||||
SHIP453 | |||||
SHIP66 | |||||
SHIP1701 | |||||
SHIP229 |
* 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.