– Lat/Long: 54.80° N 163.60° W
Roundtop Weather Forecast
Aleutian Range · United StatesIssued: 3 am Tue 22 Sep Local Time
Updates in:
Update imminent hr min s
Issued: 3 am Tue 22 Sep Local Time
Updates in:
Update imminent hr min s
3 Roundtop Elevations: 3 Forecast Elevations: Days 1–3 Weather SummaryHeavy rain (total 72mm), heaviest during Wed night. Later becoming colder with a dusting of snow on Thu afternoon. Freeze-thaw conditions (max 6°C on Wed night, min -1°C on Tue morning). Winds increasing (calm on Tue night, severe gales from the SSE by Wed night). | Days 4–6 Weather SummaryLight rain (total 3mm), mostly falling on Fri afternoon. Temperatures will be slightly above freezing (max 4°C on Fri night, min 1°C on Fri morning). Winds decreasing (gales from the WNW on Fri morning, light winds from the NW by Sat night). | |||||||||||||||||
Tuesday 22 | Wednesday 23 | Thursday 24 | Friday 25 | Saturday 26 | Sunday 27 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  | |  |  |  |  | | | |  | | |  | | | | |
clear | some clouds | clear | some clouds | light rain | heavy rain | rain shwrs | light snow | heavy rain | clear | rain shwrs | rain shwrs | some clouds | light rain | some clouds | rain shwrs | rain shwrs | clear | |
Cloud base (m) | 500 | 650 | 600 | 500 | 300 | 150 | 150 | 250 | 100 | 250 | 450 | 450 | 450 | 200 | 550 | 800 | 600 | |
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
 cm | — | — | — | — | — | — | — | 1 | — | — | — | — | — | — | — | — | — | — |
mm | — | — | — | — | 2 | 47 | 1.4 | — | 22 | — | 0.7 | 1 | — | 0.3 | — | 0.3 | 0.2 | — |
max °C | 0 | 0 | 1 | 3 | 4 | 6 | 4 | 1 | 3 | 2 | 3 | 4 | 3 | 3 | 2 | 2 | 2 | 1 |
min °C | -1 | 0 | 0 | 2 | 3 | 4 | 3 | 0 | 2 | 1 | 3 | 3 | 3 | 2 | 2 | 2 | 2 | 1 |
chill °C | -6 | -2 | 0 | -2 | -3 | -3 | -3 | -8 | -6 | -8 | -4 | -3 | -1 | -3 | -2 | -4 | -4 | -6 |
Freezing level m | 900 | 1000 | 1000 | 1400 | 1700 | 2300 | 1700 | 1150 | 1500 | 1050 | 1450 | 1650 | 1450 | 1400 | 1250 | 1250 | 1250 | 1100 |
 | 8:38 | — | — | 8:41 | — | — | 8:42 | — | — | 8:45 | — | — | 8:47 | — | — | 8:48 | — | — |
 | — | 8:52 | — | — | 8:51 | — | — | 8:47 | — | — | 8:45 | — | — | 8:43 | — | — | 8:39 | — |
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Roundtop Weather (Days 0-3):
The weather forecast for Roundtop is: Heavy rain (total 72mm), heaviest during Wed night. Later becoming colder with a dusting of snow on Thu afternoon. Freeze-thaw conditions (max 6°C on Wed night, min -1°C on Tue morning). Winds increasing (calm on Tue night, severe gales from the SSE by Wed night).
Roundtop Weather (Days 3-6):
Light rain (total 3mm), mostly falling on Fri afternoon. Temperatures will be slightly above freezing (max 4°C on Fri night, min 1°C on Fri morning). Winds decreasing (gales from the WNW on Fri morning, light winds from the NW by Sat night).
This table gives the weather forecast for Roundtop at the specific elevation of 1000 m. Our advanced weather models allow us to provide distinct weather forecasts for several elevations of Roundtop. 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 |
|---|---|---|---|---|---|
 | |||||
Cold Bay Airport |  | ||||
BUOY-KCXA2 | |||||
BUOY-KGCA2 | |||||
SHIP9231 | |||||
SHIP8747 | |||||
SHIP12695 | |||||
SHIP9903 | |||||
SHIP4652 | |||||
SHIP12326 |
* 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.