– Lat/Long: 51.95° N 179.62° E
Semisopochnoi
Weather Forecast, United StatesIssued: 9 pm Mon 20 Jul Local TimeUpdates in: hr min sUpdate imminent
Issued: 9 pm Mon 20 Jul Local Time
Updates in:
Update imminent hr min s
Issued: 9 pm Mon 20 Jul Local Time
Updates in:
Update imminent hr min s
2 Semisopochnoi Elevations: 2 Forecast Elevations: Days 1–4 Weather SummaryHeavy rain (total 43mm), heaviest during Tue afternoon. Very mild (max 12°C on Thu morning, min 9°C on Tue morning). Winds decreasing (gales from the SW on Tue afternoon, light winds from the SSW by Wed afternoon). | Days 5–7 Weather SummaryMostly dry. Very mild (max 16°C on Fri night, min 12°C on Thu night). Mainly strong winds. | ||||||||||||||||||
Tuesday 21 | Wednesday 22 | Thursday 23 | Friday 24 | Saturday 25 | Sunday 26 | ||||||||||||||
night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  |  | | | | | | |  | | |  | |  |  | | | |
rain shwrs | light rain | mod. rain | heavy rain | mod. rain | light rain | heavy rain | light rain | light rain | rain shwrs | some clouds | some clouds | rain shwrs | clear | clear | light rain | cloudy | cloudy | light rain | |
Cloud base (m) | 150 | 200 | 250 | 100 | 150 | 200 | 250 | 200 | 300 | 300 | 350 | 400 | 400 | 400 | 450 | 450 | 450 | 450 | 300 |
km/h | |||||||||||||||||||
 |  |  |  |  |  |  | |||||||||||||
 cm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
mm | 0.2 | 0.1 | 6 | 13 | 7 | 1.1 | 11 | 2 | 2 | 0.3 | — | — | 0.3 | — | — | 0.3 | — | — | 1.8 |
max °C | 10 | 9 | 11 | 11 | 10 | 10 | 11 | 12 | 12 | 13 | 14 | 14 | 16 | 15 | 15 | 16 | 12 | 13 | 14 |
min °C | 10 | 9 | 10 | 10 | 10 | 10 | 11 | 12 | 12 | 12 | 14 | 14 | 14 | 15 | 15 | 12 | 12 | 12 | 13 |
chill °C | 6 | 5 | 5 | 6 | 6 | 7 | 8 | 8 | 8 | 9 | 12 | 12 | 12 | 13 | 13 | 9 | 9 | 8 | 10 |
Freezing level m | 3800 | 4050 | 4350 | 4650 | 4300 | 4200 | 4400 | 4200 | 4200 | 4300 | 4300 | 4250 | 4200 | 4000 | 4000 | 4050 | 4000 | 4100 | 3950 |
 | — | 8:07 | — | — | 8:07 | — | — | 8:10 | — | — | 8:11 | — | — | 8:11 | — | — | 8:14 | — | — |
 | — | 12:08 | — | — | 12:07 | — | — | 12:06 | — | — | 12:05 | — | — | 12:03 | — | — | 12:02 | — | — |
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Semisopochnoi Weather (Days 0-3):
The weather forecast for Semisopochnoi is: Heavy rain (total 43mm), heaviest during Tue afternoon. Very mild (max 12°C on Thu morning, min 9°C on Tue morning). Winds decreasing (gales from the SW on Tue afternoon, light winds from the SSW by Wed afternoon).
Semisopochnoi Weather (Days 3-6):
Mostly dry. Very mild (max 16°C on Fri night, min 12°C on Thu night). Mainly strong winds.
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 | |||||
ASCATC177E51N | |||||
ASCATC178E51N | |||||
ASCATC177E52N | |||||
ASCATC178E50N | |||||
ASCATC176E52N | |||||
ASCATC177E50N | |||||
Adak Naval Air Station Airport |  | ||||
BUOY-ADKA2 | |||||
SHIP3379 |
* 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.