– Lat/Long: 51.95° N 179.62° E
Semisopochnoi Weather Forecast
Aleutian Islands · United StatesIssued: 3 pm Sun 20 Sep Local Time
Updates in:
Update imminent hr min s
Issued: 3 pm Sun 20 Sep Local Time
Updates in:
Update imminent hr min s
2 Semisopochnoi Elevations: 2 Forecast Elevations: Days 1–4 Weather SummaryModerate rain (total 13mm), heaviest on Tue morning. Very mild (max 10°C on Tue night, min 5°C on Sun afternoon). Winds increasing (light winds from the W on Sun afternoon, strong winds from the W by Wed morning). | Days 5–7 Weather SummaryLight rain (total 3mm), mostly falling on Sat morning. Mild temperatures (max 7°C on Wed afternoon, min 4°C on Fri afternoon). Winds decreasing (gales from the WNW on Wed night, moderate winds from the WSW by Thu night). | ||||||||||||||||
Sun 20 | Monday 21 | Tuesday 22 | Wednesday 23 | Thursday 24 | Friday 25 | ||||||||||||
PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  | |  | | |  | |  |  | |  | | | | | |
clear | some clouds | light rain | light rain | mod. rain | light rain | light rain | light rain | light rain | rain shwrs | rain shwrs | clear | some clouds | rain shwrs | clear | rain shwrs | some clouds | |
Cloud base (m) | 700 | 1750 | 950 | 450 | 200 | 100 | 200 | 200 | 200 | 100 | 200 | 100 | 1650 | 300 | 500 | ||
km/h | |||||||||||||||||
 |  |  |  |  |  | ||||||||||||
 cm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
mm | — | — | 0.3 | 0.4 | 6 | 4 | 0.7 | 1.9 | 0.1 | 0.1 | 0.1 | — | — | 0.8 | — | 0.7 | — |
max °C | 5 | 7 | 8 | 8 | 7 | 8 | 9 | 10 | 8 | 7 | 7 | 6 | 7 | 6 | 5 | 5 | 5 |
min °C | 5 | 6 | 7 | 8 | 7 | 8 | 9 | 9 | 7 | 6 | 6 | 6 | 6 | 6 | 5 | 4 | 5 |
chill °C | 2 | 3 | 3 | 5 | 3 | 4 | 6 | 7 | 2 | 0 | -1 | 0 | 0 | 2 | -1 | -3 | -2 |
Freezing level m | 1450 | 2200 | 2350 | 2200 | 2200 | 3150 | 3250 | 3100 | 2300 | 2350 | 1800 | 2000 | 2150 | 2050 | 1300 | 1200 | 1300 |
 | — | — | 9:45 | — | — | 9:47 | — | — | 9:48 | — | — | 9:49 | — | — | 9:52 | — | — |
 | — | 10:04 | — | — | 10:01 | — | — | 10:00 | — | 9:57 | — | — | 9:54 | — | — | 9:52 | — |
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Semisopochnoi Weather (Days 0-3):
The weather forecast for Semisopochnoi is: Moderate rain (total 13mm), heaviest on Tue morning. Very mild (max 10°C on Tue night, min 5°C on Sun afternoon). Winds increasing (light winds from the W on Sun afternoon, strong winds from the W by Wed morning).
Semisopochnoi Weather (Days 3-6):
Light rain (total 3mm), mostly falling on Sat morning. Mild temperatures (max 7°C on Wed afternoon, min 4°C on Fri afternoon). Winds decreasing (gales from the WNW on Wed night, moderate winds from the WSW by Thu 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 | |||||
SHIP1147 | |||||
Adak Naval Air Station Airport |  | ||||
BUOY-ADKA2 | |||||
Eareckso / hemya Airport | | ||||
SHIP427 | |||||
SHIP242 | |||||
SHIP379 | |||||
Adak Naval Air Station Airport | | ||||
BUOY-ADKA2 |
* 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.