– Lat/Long: 51.95° N 179.62° E
Semisopochnoi Weather Forecast
Aleutian Islands · United StatesIssued: 9 am Thu 15 Oct Local Time
Updates in:
Update imminent hr min s
Issued: 9 am Thu 15 Oct Local Time
Updates in:
Update imminent hr min s
2 Semisopochnoi Elevations: 2 Forecast Elevations: Days 1–3 Weather SummaryModerate rain (total 15mm), heaviest on Thu night. Mild temperatures (max 5°C on Fri morning, min 2°C on Thu morning). Winds decreasing (near gales from the S on Thu night, light winds from the S by Sat morning). | Days 4–6 Weather SummaryLight rain (total 3mm), mostly falling on Mon morning. Temperatures will be slightly above freezing (max 4°C on Sun morning, min 2°C on Mon afternoon). Winds decreasing (near gales from the WNW on Mon afternoon, light winds from the SW by Tue night). | |||||||||||||||||
Thursday 15 | Friday 16 | Saturday 17 | Sunday 18 | Monday 19 | Tuesday 20 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  |  |  |  | | |  | | | | | | | | |  | |
some clouds | cloudy | mod. rain | light rain | rain shwrs | clear | light rain | light rain | rain shwrs | rain shwrs | rain shwrs | rain shwrs | rain shwrs | rain shwrs | rain shwrs | rain shwrs | rain shwrs | light rain | |
Cloud base (m) | 450 | 1950 | 600 | 50 | 600 | 1400 | 650 | 50 | 200 | 750 | 1500 | 250 | 650 | 500 | 250 | 550 | 500 | 600 |
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
 cm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
mm | — | — | 8 | 3 | 0.1 | — | 1.1 | 0.1 | 3 | 0.2 | 0.1 | 0.2 | 0.9 | 0.4 | 0.8 | 0.3 | 0.1 | 0.4 |
max °C | 2 | 2 | 4 | 5 | 4 | 4 | 4 | 4 | 4 | 4 | 3 | 3 | 3 | 3 | 3 | 2 | 2 | 4 |
min °C | 2 | 2 | 3 | 4 | 4 | 4 | 3 | 4 | 3 | 3 | 3 | 3 | 3 | 2 | 2 | 2 | 2 | 2 |
chill °C | -1 | -4 | -3 | -2 | -2 | -1 | 1 | 1 | -2 | -2 | -4 | -3 | -3 | -6 | -5 | -4 | -3 | -2 |
Freezing level m | 900 | 1050 | 900 | 1500 | 1100 | 1100 | 1150 | 1150 | 1050 | 950 | 1000 | 950 | 850 | 850 | 850 | 750 | 750 | 950 |
 | 10:25 | — | — | 10:26 | — | — | 10:29 | — | — | 10:30 | — | — | 10:32 | — | — | 10:33 | — | — |
 | — | 9:07 | — | — | 9:05 | — | — | 9:02 | — | — | 9:00 | — | — | 8:59 | — | — | 8:57 | — |
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Semisopochnoi Weather (Days 0-3):
The weather forecast for Semisopochnoi is: Moderate rain (total 15mm), heaviest on Thu night. Mild temperatures (max 5°C on Fri morning, min 2°C on Thu morning). Winds decreasing (near gales from the S on Thu night, light winds from the S by Sat morning).
Semisopochnoi Weather (Days 3-6):
Light rain (total 3mm), mostly falling on Mon morning. Temperatures will be slightly above freezing (max 4°C on Sun morning, min 2°C on Mon afternoon). Winds decreasing (near gales from the WNW on Mon afternoon, light winds from the SW 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 | |||||
SHIP1543 | |||||
Adak Naval Air Station Airport |  | ||||
BUOY-ADKA2 | |||||
SHIP1840 | |||||
SHIP800 | |||||
SHIP628 | |||||
SHIP1350 | |||||
SHIP282 | |||||
SHIP868 |
* 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.