– Lat/Long: 51.95° N 179.62° E
Semisopochnoi Weather Forecast
Aleutian Islands · United StatesIssued: 3 pm Tue 13 Oct Local Time
Updates in:
Update imminent hr min s
Issued: 3 pm Tue 13 Oct Local Time
Updates in:
Update imminent hr min s
2 Semisopochnoi Elevations: 2 Forecast Elevations: Days 1–4 Weather SummaryModerate rain (total 11mm), heaviest on Fri morning. Temperatures will be slightly above freezing (max 4°C on Fri morning, min 1°C on Tue night). Winds decreasing (strong winds from the NNW on Tue afternoon, light winds from the ENE by Wed night). | Days 5–7 Weather SummaryModerate rain (total 13mm), heaviest on Fri night. Mild temperatures (max 6°C on Fri night, min 3°C on Sat afternoon). Winds decreasing (severe gales from the SW on Fri night, light winds from the W by Sun night). | ||||||||||||||||
Tue 13 | Wednesday 14 | Thursday 15 | Friday 16 | Saturday 17 | Sunday 18 | ||||||||||||
PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  | |  |  | |  |  |  |  | | | | | |  | |
rain shwrs | clear | clear | clear | some clouds | cloudy | cloudy | light rain | mod. rain | light rain | heavy rain | light rain | rain shwrs | clear | light rain | rain shwrs | rain shwrs | |
Cloud base (m) | 450 | 750 | 500 | 500 | 450 | 450 | 2050 | 1550 | 100 | 4850 | 50 | 0 | 150 | 1900 | 600 | 650 | 500 |
km/h | |||||||||||||||||
 |  |  |  |  |  | ||||||||||||
 cm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
mm | 0.2 | — | — | — | — | — | — | 3 | 8 | 0.2 | 10 | 0.4 | 0.2 | — | 0.4 | 0.1 | 0.6 |
max °C | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 3 | 4 | 4 | 6 | 4 | 4 | 3 | 4 | 3 | 3 |
min °C | 2 | 1 | 1 | 2 | 2 | 2 | 2 | 2 | 3 | 4 | 4 | 4 | 3 | 3 | 3 | 3 | 3 |
chill °C | -5 | -4 | -5 | -4 | -2 | -2 | -3 | -4 | -4 | -1 | -1 | -3 | -3 | -3 | -2 | -2 | -2 |
Freezing level m | 750 | 700 | 700 | 700 | 750 | 850 | 1000 | 1000 | 1200 | 1250 | 1300 | 1350 | 900 | 1000 | 950 | 1000 | 900 |
 | — | — | 10:23 | — | — | 10:25 | — | — | 10:26 | — | — | 10:29 | — | — | 10:30 | — | — |
 | 9:12 | — | — | 9:08 | — | — | 9:07 | — | — | 9:05 | — | — | 9:02 | — | — | 9:00 | — |
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Semisopochnoi Weather (Days 0-3):
The weather forecast for Semisopochnoi is: Moderate rain (total 11mm), heaviest on Fri morning. Temperatures will be slightly above freezing (max 4°C on Fri morning, min 1°C on Tue night). Winds decreasing (strong winds from the NNW on Tue afternoon, light winds from the ENE by Wed night).
Semisopochnoi Weather (Days 3-6):
Moderate rain (total 13mm), heaviest on Fri night. Mild temperatures (max 6°C on Fri night, min 3°C on Sat afternoon). Winds decreasing (severe gales from the SW on Fri night, light winds from the W by Sun 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 | |||||
SHIP54 | |||||
Adak Naval Air Station Airport |  | ||||
BUOY-ADKA2 | |||||
Eareckso / hemya Airport |  | ||||
SHIP930 | |||||
SHIP1207 | |||||
SHIP1368 | |||||
SHIP424 | |||||
SHIP998 |
* 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.