– Lat/Long: 51.95° N 179.62° E
Semisopochnoi Weather Forecast
Aleutian Islands · United StatesIssued: 3 pm Thu 17 Sep Local Time
Updates in:
Update imminent hr min s
Issued: 3 pm Thu 17 Sep Local Time
Updates in:
Update imminent hr min s
2 Semisopochnoi Elevations: 2 Forecast Elevations: Days 1–4 Weather SummaryLight rain (total 2mm), mostly falling on Thu night. Mild temperatures (max 8°C on Thu afternoon, min 5°C on Thu night). Winds decreasing (gales from the NNW on Fri morning, light winds from the NNW by Sun morning). | Days 5–7 Weather SummaryHeavy rain (total 37mm), heaviest during Tue night. Very mild (max 10°C on Tue afternoon, min 5°C on Sun afternoon). Winds increasing (light winds from the NW on Sun afternoon, near gales from the SW by Wed morning). | ||||||||||||||||
Thu 17 | Friday 18 | Saturday 19 | Sunday 20 | Monday 21 | Tuesday 22 | ||||||||||||
PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  |  |  |  | | | |  | | | |  |  | |  | |
clear | rain shwrs | rain shwrs | cloudy | light rain | light rain | rain shwrs | rain shwrs | rain shwrs | some clouds | light rain | cloudy | cloudy | mod. rain | heavy rain | light rain | heavy rain | |
Cloud base (m) | 1450 | 550 | 800 | 2550 | 600 | 300 | 150 | 850 | 4900 | 500 | 600 | 1950 | 450 | 100 | 50 | ||
km/h | |||||||||||||||||
 |  |  |  |  |  | ||||||||||||
 cm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
mm | — | 0.6 | 0.1 | — | 0.1 | 0.3 | 0.1 | 0.7 | 0.1 | — | 0.1 | — | — | 8 | 13 | 0.3 | 14 |
max °C | 8 | 6 | 6 | 6 | 6 | 6 | 7 | 7 | 5 | 5 | 6 | 7 | 8 | 7 | 9 | 10 | 10 |
min °C | 7 | 5 | 5 | 6 | 6 | 6 | 7 | 6 | 5 | 5 | 5 | 7 | 8 | 6 | 8 | 10 | 9 |
chill °C | 2 | -1 | -2 | 0 | 0 | 1 | 2 | 2 | 1 | 2 | 1 | 3 | 5 | 1 | 3 | 7 | 5 |
Freezing level m | 2050 | 1300 | 1250 | 1400 | 1400 | 1500 | 2200 | 1550 | 1300 | 1550 | 1550 | 2050 | 2150 | 1500 | 2550 | 3400 | 3250 |
 | — | — | 9:40 | — | — | 9:41 | — | — | 9:44 | — | — | 9:45 | — | — | 9:47 | — | — |
 | — | 10:10 | — | — | 10:08 | — | — | 10:07 | — | — | 10:04 | — | — | 10:01 | — | — | 10:00 |
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Semisopochnoi Weather (Days 0-3):
The weather forecast for Semisopochnoi is: Light rain (total 2mm), mostly falling on Thu night. Mild temperatures (max 8°C on Thu afternoon, min 5°C on Thu night). Winds decreasing (gales from the NNW on Fri morning, light winds from the NNW by Sun morning).
Semisopochnoi Weather (Days 3-6):
Heavy rain (total 37mm), heaviest during Tue night. Very mild (max 10°C on Tue afternoon, min 5°C on Sun afternoon). Winds increasing (light winds from the NW on Sun afternoon, near gales from the SW by Wed 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 | |||||
SHIP160 | |||||
Adak Naval Air Station Airport |  | ||||
BUOY-ADKA2 | |||||
SHIP880 | |||||
SHIP400 | |||||
SHIP1544 | |||||
SHIP1266 | |||||
SHIP1108 | |||||
SHIP1239 |
* 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.