– Lat/Long: 51.95° N 179.62° E
Semisopochnoi Weather Forecast
Aleutian Islands · United StatesIssued: 3 pm Wed 28 Oct Local Time
Updates in:
Update imminent hr min s
Issued: 3 pm Wed 28 Oct Local Time
Updates in:
Update imminent hr min s
2 Semisopochnoi Elevations: 2 Forecast Elevations: Days 1–4 Weather SummaryLight rain (total 9mm) at first, then becoming colder with a dusting of snow on Thu night. Freeze-thaw conditions (max 6°C on Wed afternoon, min -1°C on Fri morning). Winds decreasing (extremely windy from the SW on Wed night, fresh winds from the SW by Sat morning). | Days 5–7 Weather SummaryModerate rain (total 18mm) heaviest on Sat night, then becoming colder with a dusting of snow on Sun night. Mild temperatures (max 7°C on Sat night, min 1°C on Sun night). Winds increasing (light winds from the ESE on Sun afternoon, severe gales from the WNW by Mon night). | ||||||||||||||||
Wed 28 | Thursday 29 | Friday 30 | Saturday 31 | Sunday 1 | Monday 2 | ||||||||||||
PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  | |  |  |  |  |  | | |  | | | | | |  | |
light rain | rain shwrs | light rain | rain shwrs | light snow | some clouds | clear | light rain | light rain | light rain | heavy rain | light rain | some clouds | light snow | some clouds | some clouds | some clouds | |
Cloud base (m) | 2050 | 0 | 0 | 250 | 700 | 400 | 250 | 150 | 50 | 150 | 250 | 50 | |||||
km/h | |||||||||||||||||
 |  |  |  |  |  | ||||||||||||
 cm | — | — | — | — | 2 | — | — | — | — | — | — | — | — | 3 | — | — | — |
mm | 3 | 1.1 | 1.1 | 0.2 | — | — | — | 3 | 0.9 | 0.3 | 16 | 0.2 | — | 2 | — | — | — |
max °C | 6 | 5 | 2 | 2 | 1 | 0 | 0 | 4 | 4 | 4 | 7 | 6 | 4 | 3 | 1 | 1 | 2 |
min °C | 6 | 2 | 2 | 1 | 0 | -1 | 0 | 1 | 4 | 4 | 5 | 5 | 3 | 1 | 1 | 1 | 1 |
chill °C | -1 | -8 | -8 | -8 | -10 | -12 | -10 | -7 | -3 | -2 | -2 | 0 | 0 | -6 | -8 | -8 | -8 |
Freezing level m | 2250 | 1000 | 800 | 700 | 600 | 400 | 450 | 750 | 1450 | 1250 | 2650 | 2050 | 1150 | 850 | 700 | 600 | 750 |
 | — | — | 10:49 | — | — | 10:52 | — | — | 10:53 | — | — | 9:56 | — | — | 10:56 | — | — |
 | 8:39 | — | — | 8:38 | — | — | 8:37 | — | — | 8:35 | — | — | 7:32 | — | — | 8:30 | — |
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Semisopochnoi Weather (Days 0-3):
The weather forecast for Semisopochnoi is: Light rain (total 9mm) at first, then becoming colder with a dusting of snow on Thu night. Freeze-thaw conditions (max 6°C on Wed afternoon, min -1°C on Fri morning). Winds decreasing (extremely windy from the SW on Wed night, fresh winds from the SW by Sat morning).
Semisopochnoi Weather (Days 3-6):
Moderate rain (total 18mm) heaviest on Sat night, then becoming colder with a dusting of snow on Sun night. Mild temperatures (max 7°C on Sat night, min 1°C on Sun night). Winds increasing (light winds from the ESE on Sun afternoon, severe gales from the WNW by Mon 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 |
|---|---|---|---|---|---|
Western Aleutians Buoy | |||||
SHIP1801 | |||||
Adak Naval Air Station Airport |  | ||||
BUOY-ADKA2 | |||||
Eareckso / hemya Airport |  | ||||
SHIP52 | |||||
SHIP580 | |||||
SHIP856 | |||||
SHIP1281 | |||||
SHIP1743 |
* 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.