– Lat/Long: 51.95° N 179.62° E
Semisopochnoi Weather Forecast
Aleutian Islands · United StatesIssued: 3 am Mon 21 Sep Local Time
Updates in:
Update imminent hr min s
Issued: 3 am Mon 21 Sep Local Time
Updates in:
Update imminent hr min s
2 Semisopochnoi Elevations: 2 Forecast Elevations: Days 1–3 Weather SummaryHeavy rain (total 26mm), heaviest during Wed morning. Mild temperatures (max 9°C on Tue afternoon, min 5°C on Wed night). Winds increasing (light winds from the S on Tue afternoon, severe gales from the W by Wed night). | Days 4–6 Weather SummaryLight rain (total 3mm), mostly falling on Fri night. Mild temperatures (max 6°C on Thu afternoon, min 5°C on Thu morning). Winds decreasing (severe gales from the W on Thu morning, light winds from the NW by Sat afternoon). | |||||||||||||||||
Monday 21 | Tuesday 22 | Wednesday 23 | Thursday 24 | Friday 25 | Saturday 26 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 | |  | | | |  | |  |  | | | | |  |  | | | |
light rain | light rain | mod. rain | light rain | light rain | mod. rain | mod. rain | light rain | rain shwrs | some clouds | some clouds | rain shwrs | light rain | light rain | light rain | rain shwrs | rain shwrs | light rain | |
Cloud base (m) | 200 | 400 | 200 | 100 | 100 | 150 | 0 | 450 | 350 | 500 | 100 | 100 | 100 | 200 | 700 | 550 | ||
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
 cm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
mm | 0.5 | 0.3 | 7 | 2 | 0.2 | 7 | 8 | 0.2 | 0.3 | — | — | 0.1 | 0.3 | 0.2 | 1 | 0.5 | 0.1 | 0.4 |
max °C | 8 | 8 | 7 | 8 | 9 | 9 | 8 | 8 | 7 | 5 | 6 | 5 | 6 | 6 | 6 | 6 | 6 | 5 |
min °C | 8 | 7 | 7 | 8 | 9 | 9 | 8 | 7 | 5 | 5 | 6 | 5 | 6 | 6 | 5 | 6 | 5 | 5 |
chill °C | 5 | 3 | 3 | 4 | 7 | 7 | 4 | 1 | -3 | -3 | -1 | -2 | 1 | 1 | 1 | 2 | 1 | 1 |
Freezing level m | 2400 | 2150 | 2250 | 3100 | 3200 | 3300 | 2650 | 2400 | 1500 | 1250 | 1400 | 1250 | 1500 | 1500 | 1550 | 1250 | 1250 | 1050 |
 | 9:45 | — | — | 9:47 | — | — | 9:48 | — | — | 9:49 | — | — | 9:52 | — | — | 9:52 | — | — |
 | — | — | 10:01 | — | — | 10:00 | — | 9:57 | — | — | 9:54 | — | — | 9:52 | — | — | 9:50 | — |
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Semisopochnoi Weather (Days 0-3):
The weather forecast for Semisopochnoi is: Heavy rain (total 26mm), heaviest during Wed morning. Mild temperatures (max 9°C on Tue afternoon, min 5°C on Wed night). Winds increasing (light winds from the S on Tue afternoon, severe gales from the W by Wed night).
Semisopochnoi Weather (Days 3-6):
Light rain (total 3mm), mostly falling on Fri night. Mild temperatures (max 6°C on Thu afternoon, min 5°C on Thu morning). Winds decreasing (severe gales from the W on Thu morning, light winds from the NW by Sat 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 | |||||
SHIP2557 | |||||
Adak Naval Air Station Airport |  | ||||
BUOY-ADKA2 | |||||
Eareckso / hemya Airport |  | ||||
SHIP174 | |||||
SHIP234 | |||||
SHIP2169 | |||||
SHIP39 | |||||
SHIP539 |
* 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.