– Lat/Long: 51.95° N 179.62° E
Semisopochnoi Weather Forecast
Aleutian Islands · United StatesIssued: 3 pm Wed 14 Oct Local Time
Updates in:
Update imminent hr min s
Issued: 3 pm Wed 14 Oct Local Time
Updates in:
Update imminent hr min s
2 Semisopochnoi Elevations: 2 Forecast Elevations: Days 1–4 Weather SummaryHeavy rain (total 24mm), heaviest during Thu night. Mild temperatures (max 5°C on Fri night, min 2°C on Wed afternoon). Winds increasing (calm on Wed night, near gales from the SSE by Thu night). | Days 5–7 Weather SummaryLight rain (total 10mm), mostly falling on Sat night. Temperatures will be slightly above freezing (max 4°C on Sat afternoon, min 2°C on Mon night). Winds increasing (light winds from the SSW on Sat night, strong winds from the WNW by Mon afternoon). | ||||||||||||||||
Wed 14 | Thursday 15 | Friday 16 | Saturday 17 | Sunday 18 | Monday 19 | ||||||||||||
PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  |  |  |  | |  | | |  | | | | | | | |
clear | some clouds | cloudy | light rain | heavy rain | rain shwrs | clear | mod. rain | light rain | light rain | rain shwrs | rain shwrs | rain shwrs | rain shwrs | rain shwrs | rain shwrs | rain shwrs | |
Cloud base (m) | 500 | 400 | 450 | 750 | 500 | 4400 | 150 | 1900 | 50 | 200 | 500 | 300 | 300 | 400 | 550 | 700 | |
km/h | |||||||||||||||||
 |  |  |  |  |  | ||||||||||||
 cm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
mm | — | — | — | 0.1 | 15 | 2 | — | 6 | 0.3 | 1.2 | 3 | 0.3 | 0.2 | 1.7 | 1.5 | 0.4 | 0.8 |
max °C | 2 | 2 | 2 | 2 | 4 | 4 | 4 | 5 | 4 | 4 | 4 | 3 | 3 | 3 | 3 | 3 | 3 |
min °C | 2 | 2 | 2 | 2 | 3 | 4 | 4 | 4 | 4 | 4 | 3 | 3 | 3 | 3 | 3 | 3 | 2 |
chill °C | -3 | -2 | -1 | -3 | -3 | -3 | -2 | -1 | -1 | 0 | 0 | -2 | -3 | -2 | -2 | -3 | -5 |
Freezing level m | 700 | 800 | 850 | 900 | 900 | 1350 | 1100 | 1150 | 1350 | 1150 | 1050 | 950 | 950 | 900 | 850 | 900 | 850 |
 | — | — | 10:25 | — | — | 10:26 | — | — | 10:29 | — | — | 10:30 | — | — | 10:32 | — | — |
 | 9:08 | — | — | 9:07 | — | — | 9:05 | — | — | 9:02 | — | — | 9:00 | — | — | 8:59 | — |
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Semisopochnoi Weather (Days 0-3):
The weather forecast for Semisopochnoi is: Heavy rain (total 24mm), heaviest during Thu night. Mild temperatures (max 5°C on Fri night, min 2°C on Wed afternoon). Winds increasing (calm on Wed night, near gales from the SSE by Thu night).
Semisopochnoi Weather (Days 3-6):
Light rain (total 10mm), mostly falling on Sat night. Temperatures will be slightly above freezing (max 4°C on Sat afternoon, min 2°C on Mon night). Winds increasing (light winds from the SSW on Sat night, strong winds from the WNW by Mon 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 | |||||
SHIP129 | |||||
Adak Naval Air Station Airport |  | ||||
BUOY-ADKA2 | |||||
Eareckso / hemya Airport |  | ||||
Adak Naval Air Station Airport | | ||||
BUOY-ADKA2 | |||||
Eareckso / hemya Airport | | ||||
Atka Airport |  | ||||
BUOY-ATKA2 |
* 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.