– Lat/Long: 51.95° N 179.62° E
Semisopochnoi Weather Forecast
Aleutian Islands · United StatesIssued: 3 pm Tue 20 Oct Local Time
Updates in:
Update imminent hr min s
Issued: 3 pm Tue 20 Oct Local Time
Updates in:
Update imminent hr min s
2 Semisopochnoi Elevations: 2 Forecast Elevations: Days 1–4 Weather SummaryModerate rain (total 20mm), heaviest on Thu morning. Mild temperatures (max 8°C on Thu morning, min 2°C on Tue night). Winds increasing (calm on Wed afternoon, severe gales from the S by Wed night). | Days 5–7 Weather SummaryModerate rain (total 16mm), heaviest on Mon morning. Mild temperatures (max 8°C on Sun afternoon, min 2°C on Fri afternoon). Winds decreasing (severe gales from the SSW on Sun afternoon, fresh winds from the SW by Mon morning). | ||||||||||||||||
Tue 20 | Wednesday 21 | Thursday 22 | Friday 23 | Saturday 24 | Sunday 25 | ||||||||||||
PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  |  |  |  | | |  | | | | | | | | | |
light rain | rain shwrs | clear | some clouds | light rain | mod. rain | light rain | rain shwrs | rain shwrs | rain shwrs | rain shwrs | some clouds | some clouds | light rain | light rain | light rain | light rain | |
Cloud base (m) | 450 | 500 | 500 | 850 | 0 | 500 | 250 | 350 | 1300 | 650 | 500 | 150 | 200 | 300 | 250 | ||
km/h | |||||||||||||||||
 |  |  |  |  |  | ||||||||||||
 cm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
mm | 0.3 | 0.2 | — | — | 4 | 10 | 5 | 0.4 | 0.2 | 0.8 | 0.4 | — | — | 0.4 | 0.1 | 0.1 | 2 |
max °C | 3 | 3 | 2 | 3 | 4 | 8 | 7 | 5 | 2 | 2 | 3 | 3 | 4 | 6 | 7 | 8 | 8 |
min °C | 3 | 2 | 2 | 2 | 3 | 6 | 6 | 3 | 2 | 2 | 2 | 3 | 3 | 5 | 7 | 7 | 7 |
chill °C | 0 | -1 | -2 | 1 | -3 | -1 | -1 | -5 | -7 | -6 | -6 | -4 | -4 | -2 | 0 | 0 | 0 |
Freezing level m | 850 | 850 | 800 | 900 | 1350 | 3200 | 2900 | 1050 | 800 | 800 | 800 | 850 | 900 | 2300 | 2200 | 2200 | 2200 |
 | — | — | 10:36 | — | — | 10:37 | — | — | 10:38 | — | — | 10:41 | — | — | 10:42 | — | — |
 | 8:57 | — | — | 8:54 | — | — | 8:52 | — | — | 8:50 | — | — | 8:47 | — | — | 8:45 | — |
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Semisopochnoi Weather (Days 0-3):
The weather forecast for Semisopochnoi is: Moderate rain (total 20mm), heaviest on Thu morning. Mild temperatures (max 8°C on Thu morning, min 2°C on Tue night). Winds increasing (calm on Wed afternoon, severe gales from the S by Wed night).
Semisopochnoi Weather (Days 3-6):
Moderate rain (total 16mm), heaviest on Mon morning. Mild temperatures (max 8°C on Sun afternoon, min 2°C on Fri afternoon). Winds decreasing (severe gales from the SSW on Sun afternoon, fresh winds from the SW by Mon 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 |
|---|---|---|---|---|---|
Western Aleutians Buoy | |||||
SHIP458 | |||||
Adak Naval Air Station Airport |  | ||||
BUOY-ADKA2 | |||||
Eareckso / hemya Airport |  | ||||
SHIP1408 | |||||
SHIP948 | |||||
SHIP862 | |||||
SHIP596 | |||||
SHIP1674 |
* 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.