– Lat/Long: 51.95° N 179.62° E
Semisopochnoi Weather Forecast
Aleutian Islands · United StatesIssued: 3 pm Tue 29 Sep Local Time
Updates in:
Update imminent hr min s
Issued: 3 pm Tue 29 Sep Local Time
Updates in:
Update imminent hr min s
2 Semisopochnoi Elevations: 2 Forecast Elevations: Days 1–4 Weather SummaryModerate rain (total 13mm), heaviest on Tue night. Mild temperatures (max 8°C on Tue night, min 5°C on Tue afternoon). Winds decreasing (fresh winds from the SSE on Tue night, calm by Wed night). | Days 5–7 Weather SummaryModerate rain (total 13mm), heaviest on Fri night. Mild temperatures (max 8°C on Fri night, min 4°C on Mon morning). Winds increasing (fresh winds from the SSE on Fri afternoon, gales from the WSW by Sat night). | ||||||||||||||||
Tue 29 | Wednesday 30 | Thursday 1 | Friday 2 | Saturday 3 | Sunday 4 | ||||||||||||
PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  | |  |  | | | | | |  |  |  | | | | | |
light rain | mod. rain | light rain | cloudy | light rain | light rain | light rain | light rain | light rain | light rain | rain shwrs | rain shwrs | clear | rain shwrs | rain shwrs | clear | rain shwrs | |
Cloud base (m) | 600 | 100 | 50 | 100 | 100 | 150 | 150 | 150 | 50 | 150 | 300 | 100 | 150 | 300 | 450 | ||
km/h | |||||||||||||||||
 |  |  |  |  |  | ||||||||||||
 cm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
mm | 1.6 | 9 | 0.3 | — | 0.3 | 0.3 | 0.7 | 0.8 | 0.1 | 1.8 | 10 | 0.3 | — | 0.3 | 0.1 | — | 0.3 |
max °C | 5 | 8 | 8 | 7 | 8 | 8 | 7 | 6 | 5 | 6 | 8 | 6 | 6 | 6 | 5 | 5 | 5 |
min °C | 5 | 5 | 7 | 7 | 7 | 8 | 7 | 5 | 5 | 5 | 6 | 5 | 6 | 5 | 5 | 5 | 5 |
chill °C | 0 | 0 | 4 | 4 | 5 | 6 | 4 | 1 | 1 | 0 | 0 | -2 | -1 | -2 | -2 | -2 | -2 |
Freezing level m | 1250 | 2000 | 2450 | 2200 | 2050 | 1950 | 2000 | 1700 | 1750 | 1900 | 2950 | 1400 | 1400 | 1350 | 1250 | 1250 | 1150 |
 | — | — | 10:00 | — | — | 10:02 | — | — | 10:03 | — | — | 10:04 | — | — | 10:07 | — | — |
 | 9:43 | — | — | 9:40 | — | — | 9:38 | — | — | 9:36 | — | — | 9:34 | — | — | 9:31 | — |
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Semisopochnoi Weather (Days 0-3):
The weather forecast for Semisopochnoi is: Moderate rain (total 13mm), heaviest on Tue night. Mild temperatures (max 8°C on Tue night, min 5°C on Tue afternoon). Winds decreasing (fresh winds from the SSE on Tue night, calm by Wed night).
Semisopochnoi Weather (Days 3-6):
Moderate rain (total 13mm), heaviest on Fri night. Mild temperatures (max 8°C on Fri night, min 4°C on Mon morning). Winds increasing (fresh winds from the SSE on Fri afternoon, gales from the WSW by Sat 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 | |||||
SHIP1070 | |||||
Adak Naval Air Station Airport |  | ||||
BUOY-ADKA2 | |||||
Eareckso / hemya Airport |  | ||||
SHIP306 | |||||
SHIP234 | |||||
SHIP626 | |||||
SHIP861 | |||||
SHIP1757 |
* 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.