– Lat/Long: 51.95° N 179.62° E
Semisopochnoi Weather Forecast
Aleutian Islands · United StatesIssued: 3 pm Sun 18 Oct Local Time
Updates in:
Update imminent hr min s
Issued: 3 pm Sun 18 Oct Local Time
Updates in:
Update imminent hr min s
2 Semisopochnoi Elevations: 2 Forecast Elevations: Days 1–4 Weather SummaryLight rain (total 3mm), mostly falling on Mon night. Temperatures will be slightly above freezing (max 3°C on Sun afternoon, min 2°C on Mon night). Winds decreasing (fresh winds from the WNW on Mon night, light winds from the WNW by Tue afternoon). | Days 5–7 Weather SummaryModerate rain (total 11mm), heaviest on Wed night. Mild temperatures (max 7°C on Thu morning, min 2°C on Wed afternoon). Winds increasing (light winds from the WSW on Wed afternoon, gales from the S by Wed night). | ||||||||||||||||
Sun 18 | Monday 19 | Tuesday 20 | Wednesday 21 | Thursday 22 | Friday 23 | ||||||||||||
PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  | | | | |  |  | | |  |  | | |  | | | |
rain shwrs | rain shwrs | rain shwrs | rain shwrs | rain shwrs | rain shwrs | clear | clear | clear | clear | light rain | light rain | light rain | rain shwrs | some clouds | rain shwrs | light rain | |
Cloud base (m) | 650 | 500 | 500 | 600 | 550 | 400 | 450 | 500 | 300 | 450 | 350 | 50 | 100 | 450 | 600 | 500 | 550 |
km/h | |||||||||||||||||
 |  |  |  |  |  | ||||||||||||
 cm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
mm | 0.5 | 0.2 | 0.4 | 0.3 | 1.3 | 0.2 | — | — | — | — | 4 | 5 | 0.2 | 0.8 | — | 0.3 | 0.7 |
max °C | 3 | 3 | 3 | 3 | 2 | 2 | 2 | 2 | 2 | 2 | 4 | 7 | 5 | 4 | 2 | 2 | 2 |
min °C | 3 | 3 | 3 | 3 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 7 | 5 | 2 | 2 | 2 | 2 |
chill °C | -3 | -3 | -2 | -3 | -4 | -3 | -1 | -1 | -2 | -2 | -4 | 1 | -2 | -6 | -6 | -6 | -6 |
Freezing level m | 950 | 900 | 900 | 850 | 750 | 750 | 750 | 750 | 700 | 750 | 1000 | 3300 | 1250 | 900 | 750 | 750 | 750 |
 | — | — | 10:32 | — | — | 10:33 | — | — | 10:36 | — | — | 10:37 | — | — | 10:38 | — | — |
 | 9:00 | — | — | 8:59 | — | — | 8:57 | — | — | 8:54 | — | — | 8:52 | — | — | 8:50 | — |
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Semisopochnoi Weather (Days 0-3):
The weather forecast for Semisopochnoi is: Light rain (total 3mm), mostly falling on Mon night. Temperatures will be slightly above freezing (max 3°C on Sun afternoon, min 2°C on Mon night). Winds decreasing (fresh winds from the WNW on Mon night, light winds from the WNW by Tue afternoon).
Semisopochnoi Weather (Days 3-6):
Moderate rain (total 11mm), heaviest on Wed night. Mild temperatures (max 7°C on Thu morning, min 2°C on Wed afternoon). Winds increasing (light winds from the WSW on Wed afternoon, gales from the S 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 | |||||
SHIP132 | |||||
Adak Naval Air Station Airport |  | ||||
BUOY-ADKA2 | |||||
Eareckso / hemya Airport |  | ||||
SHIP1602 | |||||
SHIP644 | |||||
SHIP1253 | |||||
SHIP262 | |||||
SHIP1905 |
* 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.