– Lat/Long: 51.95° N 179.62° E
Semisopochnoi Weather Forecast
Aleutian Islands · United StatesIssued: 9 pm Mon 05 Oct Local Time
Updates in:
Update imminent hr min s
Issued: 9 pm Mon 05 Oct Local Time
Updates in:
Update imminent hr min s
2 Semisopochnoi Elevations: 2 Forecast Elevations: Days 1–4 Weather SummaryHeavy rain (total 48mm), heaviest during Wed afternoon. Mild temperatures (max 9°C on Wed night, min 3°C on Wed night). Winds increasing (light winds from the WSW on Tue afternoon, extremely windy from the S by Wed afternoon). | Days 5–7 Weather SummaryLight rain (total 5mm), mostly falling on Sat night. Temperatures will be slightly above freezing (max 4°C on Thu night, min 3°C on Fri night). Winds decreasing (severe gales from the WSW on Thu night, strong winds from the W by Sun morning). | |||||||||||||||
Tuesday 6 | Wednesday 7 | Thursday 8 | Friday 9 | Saturday 10 | ||||||||||||
night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  |  |  | |  |  | | |  | | | | | | |
clear | rain shwrs | cloudy | heavy rain | heavy rain | heavy rain | rain shwrs | clear | rain shwrs | rain shwrs | light rain | light rain | rain shwrs | light rain | rain shwrs | rain shwrs | |
Cloud base (m) | 8950 | 5850 | 850 | 150 | 50 | 450 | 700 | 500 | 200 | 450 | 500 | 300 | 450 | 1600 | ||
km/h | ||||||||||||||||
 |  |  |  |  |  | |||||||||||
 cm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
mm | — | 0.1 | — | 15 | 13 | 15 | 4 | — | 0.2 | 1 | 0.1 | 0.3 | 0.8 | 0.4 | 0.4 | 1.1 |
max °C | 5 | 5 | 5 | 6 | 7 | 7 | 9 | 4 | 4 | 4 | 4 | 4 | 4 | 3 | 3 | 4 |
min °C | 4 | 5 | 5 | 4 | 7 | 7 | 3 | 4 | 4 | 4 | 4 | 4 | 3 | 3 | 3 | 3 |
chill °C | -1 | 1 | 2 | -2 | 1 | 0 | -5 | -3 | -4 | -4 | -4 | -4 | -4 | -4 | -4 | -4 |
Freezing level m | 1200 | 1500 | 1550 | 1150 | 3200 | 2850 | 3150 | 1000 | 1150 | 1000 | 950 | 1000 | 950 | 950 | 950 | 950 |
 | — | 10:10 | — | — | 10:11 | — | — | 10:12 | — | — | 10:15 | — | — | 10:17 | — | — |
 | — | — | 9:27 | — | — | 9:24 | — | — | 9:22 | — | — | 9:21 | — | — | 9:17 | — |
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Semisopochnoi Weather (Days 0-3):
The weather forecast for Semisopochnoi is: Heavy rain (total 48mm), heaviest during Wed afternoon. Mild temperatures (max 9°C on Wed night, min 3°C on Wed night). Winds increasing (light winds from the WSW on Tue afternoon, extremely windy from the S by Wed afternoon).
Semisopochnoi Weather (Days 3-6):
Light rain (total 5mm), mostly falling on Sat night. Temperatures will be slightly above freezing (max 4°C on Thu night, min 3°C on Fri night). Winds decreasing (severe gales from the WSW on Thu night, strong winds from the W by Sun morning).
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 | |||||
SHIP2035 | |||||
Adak Naval Air Station Airport |  | ||||
BUOY-ADKA2 | |||||
ASCATB183E53N | |||||
SHIP91 | |||||
SHIP1736 | |||||
SHIP315 | |||||
SHIP1678 | |||||
SHIP1518 |
* 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.