– Lat/Long: 51.95° N 179.62° E
Semisopochnoi Weather Forecast
Aleutian Islands · United StatesIssued: 3 am Wed 21 Oct Local Time
Updates in:
Update imminent hr min s
Issued: 3 am Wed 21 Oct Local Time
Updates in:
Update imminent hr min s
2 Semisopochnoi Elevations: 2 Forecast Elevations: Days 1–3 Weather SummaryHeavy rain (total 21mm), heaviest during Thu morning. Mild temperatures (max 8°C on Thu morning, min 2°C on Wed morning). Winds increasing (calm on Wed afternoon, severe gales from the S by Thu morning). | Days 4–6 Weather SummaryHeavy rain (total 42mm), heaviest during Sun night. Mild temperatures (max 7°C on Sat night, min 2°C on Mon night). Winds decreasing (severe gales from the SW on Sat night, light winds from the WNW by Mon night). | |||||||||||||||||
Wednesday 21 | Thursday 22 | Friday 23 | Saturday 24 | Sunday 25 | Monday 26 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  |  |  |  |  | | | | | | | |  | | |  | |
clear | some clouds | light rain | heavy rain | light rain | rain shwrs | rain shwrs | light rain | rain shwrs | rain shwrs | light rain | light rain | light rain | light rain | heavy rain | light rain | light rain | mod. rain | |
Cloud base (m) | 550 | 450 | 2150 | 50 | 100 | 350 | 300 | 350 | 1550 | 750 | 500 | 150 | 100 | 100 | 150 | 200 | 150 | 650 |
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
 cm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
mm | — | — | 2 | 13 | 3 | 0.8 | 0.2 | 0.3 | 0.6 | 0.1 | 0.1 | 0.5 | 4 | 0.5 | 20 | 4 | 5 | 8 |
max °C | 2 | 3 | 5 | 8 | 6 | 4 | 2 | 3 | 3 | 3 | 4 | 7 | 6 | 6 | 6 | 5 | 3 | 4 |
min °C | 2 | 2 | 3 | 6 | 6 | 2 | 2 | 3 | 3 | 3 | 3 | 5 | 6 | 6 | 5 | 4 | 3 | 2 |
chill °C | -2 | 1 | -2 | -1 | 0 | -6 | -6 | -5 | -4 | -4 | -4 | -2 | -1 | 0 | 0 | -2 | -2 | -1 |
Freezing level m | 800 | 950 | 1300 | 3400 | 2650 | 1000 | 750 | 850 | 850 | 850 | 850 | 2300 | 1850 | 1750 | 1850 | 1400 | 1250 | 1250 |
 | 10:36 | — | — | 10:37 | — | — | 10:38 | — | — | 10:41 | — | — | 10:42 | — | — | 10:45 | — | — |
 | — | 8:54 | — | — | 8:52 | — | — | 8:50 | — | — | 8:47 | — | — | 8:45 | — | — | 8:44 | — |
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Semisopochnoi Weather (Days 0-3):
The weather forecast for Semisopochnoi is: Heavy rain (total 21mm), heaviest during Thu morning. Mild temperatures (max 8°C on Thu morning, min 2°C on Wed morning). Winds increasing (calm on Wed afternoon, severe gales from the S by Thu morning).
Semisopochnoi Weather (Days 3-6):
Heavy rain (total 42mm), heaviest during Sun night. Mild temperatures (max 7°C on Sat night, min 2°C on Mon night). Winds decreasing (severe gales from the SW on Sat night, light winds 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 | |||||
SHIP1473 | |||||
Adak Naval Air Station Airport |  | ||||
BUOY-ADKA2 | |||||
Eareckso / hemya Airport |  | ||||
SHIP1775 | |||||
SHIP813 | |||||
SHIP1644 | |||||
SHIP533 | |||||
SHIP2450 |
* 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.