– Lat/Long: 51.95° N 179.62° E
Semisopochnoi
Weather Forecast, United StatesIssued: 3 pm Sun 19 Jul Local TimeUpdates in: hr min sUpdate imminent
Issued: 3 pm Sun 19 Jul Local Time
Updates in:
Update imminent hr min s
Issued: 3 pm Sun 19 Jul Local Time
Updates in:
Update imminent hr min s
2 Semisopochnoi Elevations: 2 Forecast Elevations: Days 1–4 Weather SummaryHeavy rain (total 26mm), heaviest during Tue night. Very mild (max 11°C on Tue afternoon, min 9°C on Sun afternoon). Winds increasing (light winds from the WNW on Sun afternoon, gales from the SW by Tue afternoon). | Days 5–7 Weather SummaryHeavy rain (total 20mm), heaviest during Thu morning. Very mild (max 15°C on Fri afternoon, min 10°C on Wed afternoon). Winds decreasing (strong winds from the SSW on Wed night, light winds from the SSW by Thu night). | ||||||||||||||||
Sun 19 | Monday 20 | Tuesday 21 | Wednesday 22 | Thursday 23 | Friday 24 | ||||||||||||
PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  | |  |  | |  | | | |  | | | |  | | |
cloudy | light rain | rain shwrs | rain shwrs | rain shwrs | light rain | light rain | heavy rain | light rain | light rain | light rain | mod. rain | light rain | light rain | light rain | some clouds | rain shwrs | |
Cloud base (m) | 200 | 200 | 150 | 150 | 200 | 100 | 300 | 100 | 150 | 100 | 150 | 250 | 250 | 300 | 350 | 350 | 400 |
km/h | |||||||||||||||||
 |  |  |  |  |  | ||||||||||||
 cm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
mm | — | 0.2 | 0.2 | 0.1 | 0.2 | 0.1 | 4 | 20 | 1.5 | 4 | 4 | 7 | 4 | 1.5 | 0.3 | — | 0.2 |
max °C | 10 | 10 | 9 | 9 | 10 | 10 | 11 | 11 | 10 | 11 | 11 | 11 | 11 | 13 | 14 | 15 | 15 |
min °C | 9 | 9 | 9 | 9 | 9 | 9 | 10 | 11 | 10 | 10 | 11 | 11 | 11 | 11 | 13 | 15 | 15 |
chill °C | 6 | 6 | 6 | 5 | 5 | 5 | 5 | 6 | 6 | 6 | 8 | 8 | 8 | 9 | 10 | 13 | 13 |
Freezing level m | 3700 | 3850 | 3750 | 3950 | 3650 | 3950 | 4450 | 4550 | 4450 | 4300 | 4350 | 4200 | 4250 | 4350 | 4300 | 4200 | 4150 |
 | — | — | 8:04 | — | — | 8:07 | — | — | 8:07 | — | — | 8:10 | — | — | 8:11 | — | — |
 | 12:11 | — | 12:10 | — | — | 12:08 | — | — | 12:07 | — | — | 12:06 | — | — | 12:05 | — | — |
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Semisopochnoi Weather (Days 0-3):
The weather forecast for Semisopochnoi is: Heavy rain (total 26mm), heaviest during Tue night. Very mild (max 11°C on Tue afternoon, min 9°C on Sun afternoon). Winds increasing (light winds from the WNW on Sun afternoon, gales from the SW by Tue afternoon).
Semisopochnoi Weather (Days 3-6):
Heavy rain (total 20mm), heaviest during Thu morning. Very mild (max 15°C on Fri afternoon, min 10°C on Wed afternoon). Winds decreasing (strong winds from the SSW on Wed night, light winds from the SSW 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 | |||||
Adak Naval Air Station Airport |  | ||||
BUOY-ADKA2 | |||||
Atka Airport | | ||||
BUOY-ATKA2 | |||||
BUOY-46070 | |||||
SHIP4660 | |||||
SHIP8213 | |||||
SHIP2220 | |||||
SHIP7979 |
* 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.