– Lat/Long: 51.95° N 179.62° E
Semisopochnoi Weather Forecast
Aleutian Islands · United StatesIssued: 9 pm Sat 19 Sep Local Time
Updates in:
Update imminent hr min s
Issued: 9 pm Sat 19 Sep Local Time
Updates in:
Update imminent hr min s
2 Semisopochnoi Elevations: 2 Forecast Elevations: Days 1–4 Weather SummaryHeavy rain (total 22mm), heaviest during Mon night. Mild temperatures (max 9°C on Tue morning, min 5°C on Sat night). Winds increasing (light winds from the NW on Sun morning, fresh winds from the SSW by Mon night). | Days 5–7 Weather SummaryLight rain (total 10mm), mostly falling on Tue night. Mild temperatures (max 9°C on Tue night, min 4°C on Thu night). Winds increasing (light winds from the WSW on Wed morning, severe gales from the WNW by Wed night). | |||||||||||||||
Sunday 20 | Monday 21 | Tuesday 22 | Wednesday 23 | Thursday 24 | ||||||||||||
night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  | |  |  | |  | | |  | |  |  | | | | |
rain shwrs | clear | clear | some clouds | light rain | light rain | heavy rain | light rain | light rain | light rain | light rain | cloudy | rain shwrs | clear | rain shwrs | rain shwrs | |
Cloud base (m) | 750 | 700 | 700 | 2250 | 1950 | 250 | 200 | 100 | 50 | 0 | 100 | 600 | 250 | |||
km/h | ||||||||||||||||
 |  |  |  |  |  | |||||||||||
 cm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
mm | 0.4 | — | — | — | 1.3 | 2 | 13 | 4 | 0.9 | 3 | 3 | — | 0.5 | — | 0.1 | 3 |
max °C | 6 | 5 | 5 | 7 | 7 | 8 | 7 | 9 | 9 | 9 | 8 | 8 | 7 | 6 | 7 | 7 |
min °C | 5 | 5 | 5 | 6 | 7 | 7 | 7 | 8 | 8 | 8 | 8 | 7 | 6 | 6 | 6 | 4 |
chill °C | 0 | 2 | 2 | 2 | 3 | 3 | 3 | 4 | 5 | 5 | 6 | 0 | -1 | -1 | 0 | -2 |
Freezing level m | 1350 | 1250 | 1350 | 2150 | 2300 | 2150 | 2150 | 3000 | 3200 | 3400 | 3050 | 2450 | 1700 | 1900 | 2200 | 1850 |
 | — | 9:44 | — | — | 9:45 | — | — | 9:47 | — | — | 9:48 | — | — | 9:49 | — | — |
 | — | — | — | 10:04 | — | — | 10:01 | — | — | 10:00 | — | 9:57 | — | — | 9:54 | — |
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Semisopochnoi Weather (Days 0-3):
The weather forecast for Semisopochnoi is: Heavy rain (total 22mm), heaviest during Mon night. Mild temperatures (max 9°C on Tue morning, min 5°C on Sat night). Winds increasing (light winds from the NW on Sun morning, fresh winds from the SSW by Mon night).
Semisopochnoi Weather (Days 3-6):
Light rain (total 10mm), mostly falling on Tue night. Mild temperatures (max 9°C on Tue night, min 4°C on Thu night). Winds increasing (light winds from the WSW on Wed morning, severe gales from the WNW by Wed 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 | |||||
SHIP8687 | |||||
Adak Naval Air Station Airport |  | ||||
BUOY-ADKA2 | |||||
Eareckso / hemya Airport |  | ||||
SHIP4521 | |||||
SHIP9167 | |||||
SHIP2085 | |||||
SHIP3408 | |||||
SHIP7636 |
* 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.