– Lat/Long: 54.80° N 163.60° W
Roundtop Weather Forecast
Aleutian Range · United StatesIssued: 3 pm Thu 17 Sep Local Time
Updates in:
Update imminent hr min s
Issued: 3 pm Thu 17 Sep Local Time
Updates in:
Update imminent hr min s
3 Roundtop Elevations: 3 Forecast Elevations: Days 1–4 Weather SummaryMild with light rain (total 3mm) on Thu afternoon Becoming colder with a light covering of snow, mostly falling on Sat morning. Freeze-thaw conditions (max 4°C on Thu afternoon, min -4°C on Sun morning). Winds increasing (calm on Fri morning, strong winds from the NW by Sat afternoon). | Days 5–7 Weather SummaryA dusting of snow on Sun night. Freezing level rising with drizzle on Wed morning. Freeze-thaw conditions (max 4°C on Wed morning, min -2°C on Sun afternoon). Winds decreasing (strong winds from the WNW on Sun afternoon, calm by Tue night). | ||||||||||||||||
Thu 17 | Friday 18 | Saturday 19 | Sunday 20 | Monday 21 | Tuesday 22 | ||||||||||||
PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  | |  |  |  | |  |  | |  | |  |  |  | | | |
rain shwrs | light rain | rain shwrs | light rain | rain shwrs | light snow | light snow | light snow | some clouds | some clouds | snow shwrs | some clouds | cloudy | some clouds | clear | some clouds | some clouds | |
Cloud base (m) | 650 | 250 | 600 | 600 | 600 | 250 | 200 | 250 | 250 | 350 | 250 | 300 | 400 | 250 | 550 | 600 | 700 |
km/h | |||||||||||||||||
 |  |  |  |  |  | ||||||||||||
 cm | — | — | — | — | — | 2 | 2 | 1 | — | — | 3 | — | — | — | — | — | — |
mm | 1 | 0.9 | 0.2 | 0.7 | 0.4 | — | — | — | — | — | — | — | — | — | — | — | — |
max °C | 4 | 4 | 3 | 3 | 3 | 2 | 1 | -2 | -3 | -2 | -2 | -1 | 0 | 0 | 0 | 0 | 2 |
min °C | 4 | 3 | 3 | 2 | 2 | 2 | -1 | -3 | -4 | -2 | -2 | -2 | -1 | -1 | -1 | 0 | 0 |
chill °C | 0 | 0 | 2 | -2 | -3 | -4 | -9 | -11 | -12 | -9 | -10 | -9 | -6 | -7 | -6 | -3 | 0 |
Freezing level m | 1650 | 1600 | 1350 | 1400 | 1400 | 1300 | 1100 | 600 | 550 | 750 | 750 | 700 | 900 | 950 | 900 | 1050 | 1100 |
 | — | — | 8:32 | — | — | 8:33 | — | — | 8:34 | — | — | 8:37 | — | — | 8:38 | — | — |
 | 9:06 | — | — | 9:02 | — | — | 9:00 | — | — | 8:58 | — | — | 8:55 | — | — | 8:52 | — |
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Roundtop Weather (Days 0-3):
The weather forecast for Roundtop is: Mild with light rain (total 3mm) on Thu afternoon Becoming colder with a light covering of snow, mostly falling on Sat morning. Freeze-thaw conditions (max 4°C on Thu afternoon, min -4°C on Sun morning). Winds increasing (calm on Fri morning, strong winds from the NW by Sat afternoon).
Roundtop Weather (Days 3-6):
A dusting of snow on Sun night. Freezing level rising with drizzle on Wed morning. Freeze-thaw conditions (max 4°C on Wed morning, min -2°C on Sun afternoon). Winds decreasing (strong winds from the WNW on Sun afternoon, calm by Tue 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 |
|---|---|---|---|---|---|
 | |||||
SHIP8790 | |||||
Cold Bay Airport | | ||||
BUOY-KCXA2 | |||||
BUOY-KGCA2 | |||||
Cold Bay Airport | | ||||
SHIP3009 | |||||
SHIP8013 | |||||
BUOY-KCXA2 | |||||
BUOY-KGCA2 |
* 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.