– Lat/Long: 51.95° N 179.62° E
Semisopochnoi Weather Forecast
Aleutian Islands · United StatesIssued: 8 pm Sat 14 Nov Local Time
Updates in:
Update imminent hr min s
Issued: 8 pm Sat 14 Nov Local Time
Updates in:
Update imminent hr min s
2 Semisopochnoi Elevations: 2 Forecast Elevations: Days 1–4 Weather SummaryA light covering of new snow mostly falling on Mon morning. Becoming milder with moderate rain (total 15mm) heaviest on Mon afternoon. Freeze-thaw conditions (max 5°C on Mon afternoon, min -4°C on Tue afternoon). Winds increasing (light winds from the W on Sat night, extremely windy from the W by Mon night). | Days 5–7 Weather SummaryA moderate fall of snow heaviest on Thu afternoon. Turning milder with heavy rain (total 20mm), heaviest during Fri morning. Freeze-thaw conditions (max 6°C on Thu night, min -5°C on Tue night). Winds decreasing (gales from the NW on Wed afternoon, light winds from the WNW by Fri afternoon). | |||||||||||||||
Sunday 15 | Monday 16 | Tuesday 17 | Wednesday 18 | Thursday 19 | ||||||||||||
night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  | | |  |  |  |  | |  |  | |  | | |  | |
some clouds | clear | clear | some clouds | mod. snow | heavy rain | rain shwrs | cloudy | cloudy | snow shwrs | light snow | light snow | cloudy | cloudy | light snow | mod. rain | |
Cloud base (m) | 550 | 750 | 800 | 600 | 100 | 50 | 1550 | 400 | 650 | 650 | 650 | 350 | 0 | |||
km/h | ||||||||||||||||
 |  |  |  |  |  | |||||||||||
 cm | — | — | — | — | 6 | — | — | — | — | 2 | 2 | 1 | — | — | 5 | — |
mm | — | — | — | — | — | 15 | 0.5 | — | — | — | — | — | — | — | — | 5 |
max °C | 0 | -1 | -1 | -1 | 0 | 5 | 3 | -2 | -3 | -3 | -4 | -4 | -2 | -2 | 1 | 6 |
min °C | -1 | -1 | -1 | -1 | -2 | 5 | -1 | -3 | -4 | -5 | -5 | -4 | -4 | -2 | -1 | 5 |
chill °C | -8 | -11 | -10 | -8 | -10 | -4 | -12 | -14 | -15 | -15 | -16 | -15 | -15 | -9 | -9 | -1 |
Freezing level m | 350 | 400 | 450 | 400 | 250 | 1650 | 800 | 250 | 100 | 200 | 50 | 100 | 0 | 300 | 250 | 2200 |
 | — | 10:21 | — | — | 10:22 | — | — | 10:25 | — | — | 10:26 | — | — | 10:27 | — | — |
 | — | — | 7:08 | — | — | 7:07 | — | — | 7:07 | — | — | 7:06 | — | — | 7:04 | — |
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Semisopochnoi Weather (Days 0-3):
The weather forecast for Semisopochnoi is: A light covering of new snow mostly falling on Mon morning. Becoming milder with moderate rain (total 15mm) heaviest on Mon afternoon. Freeze-thaw conditions (max 5°C on Mon afternoon, min -4°C on Tue afternoon). Winds increasing (light winds from the W on Sat night, extremely windy from the W by Mon night).
Semisopochnoi Weather (Days 3-6):
A moderate fall of snow heaviest on Thu afternoon. Turning milder with heavy rain (total 20mm), heaviest during Fri morning. Freeze-thaw conditions (max 6°C on Thu night, min -5°C on Tue night). Winds decreasing (gales from the NW on Wed afternoon, light winds from the WNW by Fri afternoon).
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 | |||||
Adak(nas) | |||||
Adak Naval Air Station Airport |  | ||||
BUOY-ADKA2 | |||||
Eareckso / hemya Airport |  | ||||
ShemyaAfb | |||||
Atka Airport |  | ||||
BUOY-ATKA2 | |||||
SHIP320 | |||||
SHIP1240 |
* 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.