– Lat/Long: 51.95° N 179.62° E
Semisopochnoi
Weather Forecast, United StatesIssued: 9 am Sun 19 Jul Local TimeUpdates in: hr min sUpdate imminent
Issued: 9 am Sun 19 Jul Local Time
Updates in:
Update imminent hr min s
Issued: 9 am Sun 19 Jul Local Time
Updates in:
Update imminent hr min s
2 Semisopochnoi Elevations: 2 Forecast Elevations: Days 1–3 Weather SummaryHeavy rain (total 25mm), heaviest during Tue night. Very mild (max 11°C on Tue afternoon, min 9°C on Sun morning). Winds increasing (light winds from the W on Sun night, near gales from the SW by Tue afternoon). | Days 4–6 Weather SummaryHeavy rain (total 26mm), heaviest during Wed night. Very mild (max 15°C on Fri night, min 10°C on Wed morning). Winds decreasing (strong winds from the SW on Wed morning, moderate winds from the SSW by Fri afternoon). | |||||||||||||||||
Sunday 19 | Monday 20 | Tuesday 21 | Wednesday 22 | Thursday 23 | Friday 24 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  | |  | |  |  |  |  | | | | | | | |  | | |
light rain | cloudy | light rain | rain shwrs | rain shwrs | rain shwrs | light rain | mod. rain | heavy rain | mod. rain | light rain | heavy rain | light rain | mod. rain | light rain | light rain | some clouds | rain shwrs | |
Cloud base (m) | 200 | 150 | 200 | 200 | 150 | 200 | 100 | 250 | 100 | 150 | 150 | 200 | 200 | 250 | 200 | 300 | 350 | 450 |
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
 cm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
mm | 0.2 | — | 0.2 | 0.2 | 0.2 | 0.2 | 0.6 | 6 | 17 | 6 | 1.5 | 11 | 0.6 | 6 | 2 | 0.2 | — | 0.2 |
max °C | 9 | 9 | 10 | 10 | 9 | 10 | 10 | 11 | 11 | 10 | 10 | 11 | 11 | 11 | 12 | 13 | 14 | 15 |
min °C | 9 | 9 | 10 | 9 | 9 | 9 | 9 | 11 | 11 | 10 | 10 | 11 | 11 | 11 | 11 | 12 | 13 | 13 |
chill °C | 6 | 6 | 8 | 5 | 5 | 5 | 5 | 6 | 7 | 6 | 6 | 8 | 8 | 7 | 8 | 9 | 11 | 11 |
Freezing level m | 3650 | 3700 | 3800 | 3750 | 3950 | 3750 | 3750 | 4350 | 4500 | 4550 | 4350 | 4450 | 4350 | 4450 | 4300 | 4300 | 4250 | 4150 |
 | 8:03 | — | — | 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 25mm), heaviest during Tue night. Very mild (max 11°C on Tue afternoon, min 9°C on Sun morning). Winds increasing (light winds from the W on Sun night, near gales from the SW by Tue afternoon).
Semisopochnoi Weather (Days 3-6):
Heavy rain (total 26mm), heaviest during Wed night. Very mild (max 15°C on Fri night, min 10°C on Wed morning). Winds decreasing (strong winds from the SW on Wed morning, moderate winds from the SSW by Fri 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 | |||||
Adak Naval Air Station Airport |  | ||||
BUOY-ADKA2 | |||||
SHIP4130 | |||||
Atka Airport |  | ||||
SHIP6586 |  | ||||
SHIP3710 | | ||||
SHIP1368 | |||||
SHIP5705 | |||||
SHIP4415 |
* 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.