– Lat/Long: 51.95° N 179.62° E
Semisopochnoi Weather Forecast
Aleutian Islands · United StatesIssued: 9 am Tue 20 Oct Local Time
Updates in:
Update imminent hr min s
Issued: 9 am Tue 20 Oct Local Time
Updates in:
Update imminent hr min s
2 Semisopochnoi Elevations: 2 Forecast Elevations: Days 1–3 Weather SummaryHeavy rain (total 25mm), heaviest during Thu morning. Mild temperatures (max 8°C on Thu morning, min 2°C on Tue night). Winds increasing (calm on Tue night, severe gales from the SW by Thu night). | Days 4–6 Weather SummaryModerate rain (total 19mm), heaviest on Sun night. Mild temperatures (max 7°C on Sun morning, min 2°C on Fri morning). Winds increasing (strong winds from the WSW on Sat afternoon, stormy winds from the SSW by Sun night). | |||||||||||||||||
Tuesday 20 | Wednesday 21 | Thursday 22 | Friday 23 | Saturday 24 | Sunday 25 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  |  |  |  |  |  | | | | | | | | | |  | |
some clouds | rain shwrs | rain shwrs | clear | some clouds | light rain | heavy rain | light rain | light rain | rain shwrs | rain shwrs | rain shwrs | rain shwrs | some clouds | light rain | light rain | light rain | heavy rain | |
Cloud base (m) | 450 | 550 | 450 | 500 | 400 | 50 | 300 | 300 | 350 | 450 | 650 | 550 | 100 | 100 | 100 | 100 | ||
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
 cm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
mm | — | 0.3 | 1.2 | — | — | 3 | 14 | 5 | 1.4 | 0.4 | 0.9 | 0.5 | 0.3 | — | 0.2 | 0.2 | 0.6 | 16 |
max °C | 3 | 3 | 3 | 2 | 3 | 4 | 8 | 7 | 5 | 2 | 3 | 3 | 3 | 4 | 6 | 7 | 7 | 7 |
min °C | 3 | 3 | 2 | 2 | 2 | 3 | 5 | 6 | 3 | 2 | 2 | 2 | 2 | 3 | 5 | 7 | 7 | 4 |
chill °C | -1 | 0 | 1 | -1 | -1 | -2 | -2 | 0 | -5 | -6 | -6 | -6 | -6 | -4 | -2 | 1 | 0 | -3 |
Freezing level m | 850 | 850 | 850 | 800 | 900 | 1250 | 3350 | 2800 | 1050 | 800 | 800 | 800 | 800 | 950 | 2300 | 2150 | 2200 | 2100 |
 | 10:33 | — | — | 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: Heavy rain (total 25mm), heaviest during Thu morning. Mild temperatures (max 8°C on Thu morning, min 2°C on Tue night). Winds increasing (calm on Tue night, severe gales from the SW by Thu night).
Semisopochnoi Weather (Days 3-6):
Moderate rain (total 19mm), heaviest on Sun night. Mild temperatures (max 7°C on Sun morning, min 2°C on Fri morning). Winds increasing (strong winds from the WSW on Sat afternoon, stormy winds from the SSW by Sun 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 | |||||
SHIP592 | |||||
Adak Naval Air Station Airport |  | ||||
BUOY-ADKA2 | |||||
SHIP143 | |||||
SHIP968 | |||||
SHIP1148 | |||||
SHIP867 | |||||
SHIP100 | |||||
SHIP2147 |
* 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.