– Lat/Long: 51.95° N 179.62° E
Semisopochnoi
Weather Forecast, United StatesIssued: 9 am Mon 20 May Local TimeUpdates in: hr min sUpdate imminent
SemisopochnoiWeather Forecast, United States
Issued: 9 am Mon 20 May Local Time
Updates in:
Update imminent hr min s
Issued: 9 am Mon 20 May Local Time
Updates in:
Update imminent hr min s
2 Semisopochnoi Elevations: 2 Forecast Elevations: Days 1–3 Weather SummaryA dusting of snow giving way to moderate rain (total 10mm) heaviest on Wed morning. Freeze-thaw conditions (max 5°C on Wed morning, min -5°C on Mon morning). Winds increasing (light winds from the WSW on Tue afternoon, stormy winds from the WSW by Wed night). | Days 4–6 Weather SummarySome drizzle, heaviest during Sat night. Freeze-thaw conditions (max 7°C on Sat afternoon, min -5°C on Thu morning). Winds decreasing (stormy winds from the WSW on Thu afternoon, moderate winds from the WSW by Sat morning). | Days 7–9 Weather SummaryMild with light rain (total 9mm) on Sun night Becoming colder with a light covering of snow, mostly falling on Tue night. Freeze-thaw conditions (max 7°C on Sun morning, min -2°C on Tue night). Winds increasing (fresh winds from the WSW on Mon morning, stormy winds from the WSW by Tue night). | Days 10–12 Weather SummaryA dusting of snow on Fri night. Freezing level rising with drizzle on Sat morning. Freeze-thaw conditions (max 3°C on Fri night, min -5°C on Wed morning). Winds decreasing (near gales from the W on Wed morning, calm by Thu night). | |||||||||||||||||||||||||||||||||
Monday 20 | Tuesday 21 | Wednesday 22 | Thursday 23 | Friday 24 | Saturday 25 | Sunday 26 | Monday 27 | Tuesday 28 | Wednesday 29 | Thursday 30 | Friday 31 | |||||||||||||||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 | |  |  | |  |  |  |  |  | |  | | | | | |  | | |  | | | | | | | | | | | | | | | | |
some clouds | some clouds | clear | clear | clear | light snow | heavy rain | rain shwrs | cloudy | cloudy | clear | some clouds | clear | clear | some clouds | cloudy | cloudy | light rain | cloudy | some clouds | mod. rain | rain shwrs | clear | some clouds | cloudy | cloudy | light snow | cloudy | cloudy | clear | clear | some clouds | cloudy | cloudy | cloudy | light snow | |
km/h | ||||||||||||||||||||||||||||||||||||
Wave Height Map |  |  |  |  |  |  |  |  |  |  |  |  | ||||||||||||||||||||||||
— | — | — | — | — | 2.0 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 5 | — | — | — | — | — | — | — | — | 1.0 | |
— | — | — | — | — | — | 10 | 0.1 | — | — | — | — | — | — | — | — | — | 1.7 | — | — | 8 | 1.6 | — | — | — | — | — | — | — | — | — | — | — | — | — | 1.0 | |
max°C | -5 | -3 | -2 | -3 | -2 | 1 | 5 | 3 | -1 | -4 | -2 | -2 | 0 | 1 | 4 | 5 | 7 | 7 | 7 | 7 | 7 | 3 | 1 | 2 | 1 | 2 | 0 | -3 | -4 | -3 | -1 | 0 | 1 | 1 | 0 | 3 |
min°C | -5 | -5 | -4 | -4 | -3 | -1 | 5 | -4 | -5 | -5 | -3 | -2 | -1 | 0 | 2 | 4 | 5 | 7 | 7 | 7 | 5 | 2 | 0 | 1 | 1 | 0 | -2 | -5 | -5 | -5 | -1 | -1 | 0 | 1 | 0 | 0 |
-16 | -15 | -13 | -12 | -9 | -6 | -2 | -15 | -17 | -17 | -15 | -12 | -10 | -8 | -5 | 0 | 0 | 2 | 1 | 1 | -2 | -5 | -8 | -7 | -7 | -9 | -12 | -14 | -13 | -13 | -6 | -3 | 0 | -5 | -8 | -8 | |
550 | 500 | 650 | 500 | 600 | 1100 | 2700 | 2000 | 950 | 600 | 750 | 800 | 1000 | 1400 | 2750 | 3000 | 3250 | 2800 | 2950 | 3000 | 2850 | 2050 | 1500 | 1600 | 1600 | 1700 | 1350 | 700 | 600 | 600 | 950 | 1100 | 1350 | 1600 | 1150 | 1500 | |
Cloud base (m) | 600 | 50 | 150 | 250 | 250 | 1750 | 50 | 50 | 50 | 50 | 100 | 200 | 200 | 400 | 350 | 5900 | 600 | 350 | 200 | 300 | 300 | 150 | 200 | 2000 | 150 | 150 | 200 | 100 | 100 | 300 | 250 | 200 | 300 | 1700 | 2050 | 100 |
 | 7:58 | — | — | 7:58 | — | — | 12:00 | — | — | 7:54 | — | — | 7:54 | — | — | 7:52 | — | — | 7:52 | — | — | 7:50 | — | — | 7:50 | — | — | 7:48 | — | — | 7:48 | — | — | 7:47 | — | — |
 | — | — | 11:57 | — | — | 11:58 | 12:00 | — | — | 12:00 | — | — | 12:01 | — | — | 12:03 | — | — | 12:04 | — | — | 12:05 | — | — | 12:06 | — | — | 12:08 | — | — | 12:09 | — | — | 12:10 | — | — |
Semisopochnoi Weather (Days 0-3):
The weather forecast for Semisopochnoi is: A dusting of snow giving way to moderate rain (total 10mm) heaviest on Wed morning. Freeze-thaw conditions (max 5°C on Wed morning, min -5°C on Mon morning). Winds increasing (light winds from the WSW on Tue afternoon, stormy winds from the WSW by Wed night).
Semisopochnoi Weather (Days 3-6):
Some drizzle, heaviest during Sat night. Freeze-thaw conditions (max 7°C on Sat afternoon, min -5°C on Thu morning). Winds decreasing (stormy winds from the WSW on Thu afternoon, moderate winds from the WSW by Sat morning).
Semisopochnoi Weather (Days 6-9):
Mild with light rain (total 9mm) on Sun night Becoming colder with a light covering of snow, mostly falling on Tue night. Freeze-thaw conditions (max 7°C on Sun morning, min -2°C on Tue night). Winds increasing (fresh winds from the WSW on Mon morning, stormy winds from the WSW by Tue night).
This table gives the weather forecast for Semisopochnoi at the specific elevation of 1221 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 |
|---|---|---|---|---|---|
Adak Naval Air Station Airport |  | ||||
BUOY-ADKA2 | |||||
SHIP871 | |||||
Eareckso / hemya Airport |  | ||||
Atka Airport | |
* 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.
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