– Lat/Long: 51.95° N 179.62° E
Semisopochnoi Weather Forecast
Aleutian Islands · United StatesIssued: 9 am Thu 08 Oct Local Time
Updates in:
Update imminent hr min s
Issued: 9 am Thu 08 Oct Local Time
Updates in:
Update imminent hr min s
2 Semisopochnoi Elevations: 2 Forecast Elevations: Days 1–3 Weather SummaryLight rain (total 6mm), mostly falling on Fri night. Temperatures will be slightly above freezing (max 4°C on Thu morning, min 3°C on Thu night). Winds decreasing (gales from the WSW on Thu night, strong winds from the W by Sat afternoon). | Days 4–6 Weather SummaryLight rain (total 5mm), mostly falling on Sun morning. Temperatures will be slightly above freezing (max 3°C on Sun morning, min 1°C on Mon night). Winds increasing (light winds from the ENE on Mon afternoon, severe gales from the NNW by Tue night). | |||||||||||||||||
Thursday 8 | Friday 9 | Saturday 10 | Sunday 11 | Monday 12 | Tuesday 13 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  | | |  |  | | | | | | | | |  | | | |
clear | rain shwrs | rain shwrs | rain shwrs | rain shwrs | light rain | light rain | light rain | light rain | rain shwrs | rain shwrs | light rain | light rain | light rain | light rain | cloudy | rain shwrs | rain shwrs | |
Cloud base (m) | 600 | 1450 | 100 | 250 | 150 | 350 | 500 | 550 | 500 | 700 | 450 | 350 | 150 | 200 | 450 | 300 | 450 | |
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
 cm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
mm | — | 0.5 | 0.7 | 0.3 | 0.1 | 1.3 | 0.7 | 0.6 | 2 | 1.2 | 0.1 | 0.2 | 0.4 | 1.2 | 0.6 | — | 0.4 | 0.8 |
max °C | 4 | 4 | 4 | 4 | 4 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 2 | 3 | 2 |
min °C | 4 | 4 | 3 | 4 | 3 | 3 | 3 | 3 | 3 | 3 | 2 | 2 | 3 | 3 | 1 | 1 | 2 | 1 |
chill °C | -3 | -3 | -5 | -4 | -5 | -5 | -4 | -4 | -4 | -4 | -5 | -4 | -2 | 0 | -7 | -7 | -6 | -8 |
Freezing level m | 1050 | 1150 | 950 | 950 | 1000 | 950 | 900 | 900 | 900 | 850 | 800 | 800 | 900 | 900 | 850 | 650 | 750 | 800 |
 | 10:12 | — | — | 10:15 | — | — | 10:17 | — | — | 10:18 | — | — | 10:19 | — | — | 10:22 | — | — |
 | — | 9:22 | — | — | 9:21 | — | — | 9:17 | — | — | 9:15 | — | — | 9:14 | — | — | 9:12 | — |
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Semisopochnoi Weather (Days 0-3):
The weather forecast for Semisopochnoi is: Light rain (total 6mm), mostly falling on Fri night. Temperatures will be slightly above freezing (max 4°C on Thu morning, min 3°C on Thu night). Winds decreasing (gales from the WSW on Thu night, strong winds from the W by Sat afternoon).
Semisopochnoi Weather (Days 3-6):
Light rain (total 5mm), mostly falling on Sun morning. Temperatures will be slightly above freezing (max 3°C on Sun morning, min 1°C on Mon night). Winds increasing (light winds from the ENE on Mon afternoon, severe gales from the NNW by Tue 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 | |||||
SHIP875 | |||||
Adak Naval Air Station Airport |  | ||||
BUOY-ADKA2 | |||||
Eareckso / hemya Airport | | ||||
SHIP206 | |||||
SHIP478 | |||||
Adak Naval Air Station Airport | | ||||
BUOY-ADKA2 | |||||
Eareckso / hemya Airport | |
* 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.