– Lat/Long: 51.95° N 179.62° E
Semisopochnoi Weather Forecast
Aleutian Islands · United StatesIssued: 9 pm Sun 25 Oct Local Time
Updates in:
Update imminent hr min s
Issued: 9 pm Sun 25 Oct Local Time
Updates in:
Update imminent hr min s
2 Semisopochnoi Elevations: 2 Forecast Elevations: Days 1–4 Weather SummaryHeavy rain (total 25mm), heaviest during Wed morning. Mild temperatures (max 7°C on Sun night, min 2°C on Mon night). Winds decreasing (stormy winds from the S on Sun night, moderate winds from the SSW by Tue night). | Days 5–7 Weather SummaryA dusting of snow turning to light rain (total 9mm) on Sat afternoon. Freeze-thaw conditions (max 5°C on Wed night, min -1°C on Thu night). Winds decreasing (extremely windy from the WSW on Wed night, light winds from the WSW by Sat morning). | |||||||||||||||
Monday 26 | Tuesday 27 | Wednesday 28 | Thursday 29 | Friday 30 | ||||||||||||
night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  | |  |  |  |  | | |  |  |  | | | | |
light rain | light rain | some clouds | light rain | rain shwrs | clear | rain shwrs | mod. rain | mod. rain | rain shwrs | cloudy | light snow | some clouds | some clouds | some clouds | some clouds | |
Cloud base (m) | 100 | 100 | 650 | 5200 | 2300 | 6500 | 150 | 250 | 300 | 400 | 1500 | 450 | ||||
km/h | ||||||||||||||||
 |  |  |  |  |  | |||||||||||
 cm | — | — | — | — | — | — | — | — | — | — | — | 1 | — | — | — | — |
mm | 3 | 3 | — | 0.1 | 0.1 | — | 0.2 | 9 | 9 | 1.3 | — | — | — | — | — | — |
max °C | 7 | 4 | 3 | 3 | 2 | 2 | 3 | 4 | 6 | 5 | 2 | 2 | 1 | -1 | 0 | 1 |
min °C | 6 | 3 | 3 | 2 | 2 | 2 | 2 | 2 | 6 | 2 | 1 | 1 | -1 | -1 | 0 | 1 |
chill °C | -2 | -5 | -5 | -4 | -4 | -4 | -4 | -6 | -2 | -8 | -10 | -9 | -12 | -11 | -9 | -8 |
Freezing level m | 2200 | 1200 | 900 | 900 | 800 | 750 | 750 | 850 | 2850 | 950 | 700 | 750 | 450 | 350 | 450 | 600 |
 | — | 10:45 | — | — | 10:47 | — | — | 10:48 | — | — | 10:49 | — | — | 10:52 | — | — |
 | — | — | 8:44 | — | — | 8:42 | — | — | 8:39 | — | — | 8:38 | — | — | 8:37 | — |
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Semisopochnoi Weather (Days 0-3):
The weather forecast for Semisopochnoi is: Heavy rain (total 25mm), heaviest during Wed morning. Mild temperatures (max 7°C on Sun night, min 2°C on Mon night). Winds decreasing (stormy winds from the S on Sun night, moderate winds from the SSW by Tue night).
Semisopochnoi Weather (Days 3-6):
A dusting of snow turning to light rain (total 9mm) on Sat afternoon. Freeze-thaw conditions (max 5°C on Wed night, min -1°C on Thu night). Winds decreasing (extremely windy from the WSW on Wed night, light winds from the WSW by Sat 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 | |||||
SHIP1050 | |||||
Adak Naval Air Station Airport |  | ||||
BUOY-ADKA2 | |||||
Eareckso / hemya Airport |  | ||||
SHIP103 | |||||
SHIP770 | |||||
SHIP972 | |||||
SHIP970 | |||||
SHIP1263 |
* 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.