– Lat/Long: 51.95° N 179.62° E
Semisopochnoi Weather Forecast
Aleutian Islands · United StatesIssued: 9 am Fri 18 Sep Local Time
Updates in:
Update imminent hr min s
Issued: 9 am Fri 18 Sep Local Time
Updates in:
Update imminent hr min s
2 Semisopochnoi Elevations: 2 Forecast Elevations: Days 1–3 Weather SummaryMostly dry. Mild temperatures (max 6°C on Fri morning, min 5°C on Fri morning). Winds decreasing (gales from the NNW on Fri morning, light winds from the WNW by Sun afternoon). | Days 4–6 Weather SummaryHeavy rain (total 21mm), heaviest during Mon night. Mild temperatures (max 9°C on Mon night, min 6°C on Wed afternoon). Winds increasing (moderate winds from the SW on Mon morning, gales from the SSW by Mon night). | |||||||||||||||||
Friday 18 | Saturday 19 | Sunday 20 | Monday 21 | Tuesday 22 | Wednesday 23 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  |  | |  | |  |  | | |  |  | | | | | | |
rain shwrs | some clouds | light rain | cloudy | rain shwrs | rain shwrs | rain shwrs | clear | some clouds | cloudy | cloudy | heavy rain | light rain | cloudy | rain shwrs | light rain | clear | rain shwrs | |
Cloud base (m) | 450 | 850 | 2650 | 200 | 200 | 800 | 750 | 650 | 3000 | 5250 | 2800 | 200 | 50 | 50 | 50 | 0 | 200 | |
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
 cm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
mm | 0.1 | — | 0.2 | — | 0.2 | 0.1 | 0.1 | — | — | — | — | 15 | 5 | — | 0.4 | 0.1 | — | 0.1 |
max °C | 6 | 6 | 6 | 6 | 6 | 6 | 5 | 5 | 6 | 7 | 8 | 9 | 9 | 9 | 9 | 7 | 6 | 6 |
min °C | 5 | 6 | 5 | 5 | 6 | 5 | 5 | 5 | 5 | 7 | 8 | 7 | 9 | 8 | 8 | 7 | 6 | 6 |
chill °C | -2 | 0 | 0 | 0 | 3 | 0 | 0 | 2 | 2 | 3 | 4 | 2 | 4 | 4 | 3 | 2 | 1 | 0 |
Freezing level m | 1200 | 1400 | 1450 | 1450 | 1750 | 1450 | 1400 | 1450 | 1900 | 2350 | 2200 | 2350 | 3150 | 3150 | 3300 | 2550 | 1800 | 1450 |
 | 9:40 | — | — | 9:41 | — | — | 9:44 | — | — | 9:45 | — | — | 9:47 | — | — | 9:48 | — | — |
 | — | — | 10:08 | — | — | 10:07 | — | — | 10:04 | — | — | 10:01 | — | — | 10:00 | — | 9:57 | — |
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Semisopochnoi Weather (Days 0-3):
The weather forecast for Semisopochnoi is: Mostly dry. Mild temperatures (max 6°C on Fri morning, min 5°C on Fri morning). Winds decreasing (gales from the NNW on Fri morning, light winds from the WNW by Sun afternoon).
Semisopochnoi Weather (Days 3-6):
Heavy rain (total 21mm), heaviest during Mon night. Mild temperatures (max 9°C on Mon night, min 6°C on Wed afternoon). Winds increasing (moderate winds from the SW on Mon morning, gales from the SSW by Mon 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 | |||||
SHIP1586 | |||||
Adak Naval Air Station Airport |  | ||||
BUOY-ADKA2 | |||||
SHIP598 | |||||
SHIP1184 | |||||
SHIP976 | |||||
SHIP316 | |||||
SHIP1432 | |||||
SHIP730 |
* 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.