– Lat/Long: 64.78° S 63.68° W
Mount William (Antarctica) Weather Forecast
Trojan Range · AntarcticaIssued: 8 pm Mon 21 Sep Local Time
Updates in:
Update imminent hr min s
Issued: 8 pm Mon 21 Sep Local Time
Updates in:
Update imminent hr min s
4 Mount William (Antarctica) Elevations: 4 Forecast Elevations: Days 1–4 Weather SummaryA heavy fall of snow, heaviest during Thu afternoon. Temperatures will be well below freezing (max -10°C on Tue afternoon, min -17°C on Wed morning). Winds increasing (light winds from the SE on Tue afternoon, gales from the WSW by Thu afternoon). | Days 5–7 Weather SummaryA heavy fall of snow, heaviest during Sat night. Temperatures will be well below freezing (max -7°C on Sat night, min -21°C on Fri morning). Winds increasing (moderate winds from the WSW on Sat morning, gales from the WNW by Sat night). | |||||||||||||||
Tuesday 22 | Wednesday 23 | Thursday 24 | Friday 25 | Saturday 26 | ||||||||||||
night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  | |  | | | | |  | | | |  |  | |  | |
mod. snow | light snow | light snow | some clouds | light snow | light snow | mod. snow | light snow | mod. snow | mod. snow | light snow | light snow | snow shwrs | cloudy | light snow | heavy snow | |
Cloud base (m) | 250 | 450 | 250 | 350 | 250 | 250 | 250 | 200 | 200 | 250 | 250 | 300 | 300 | 400 | 600 | 250 |
km/h | ||||||||||||||||
 |  |  |  |  |  | |||||||||||
 cm | 9 | 1 | 2 | — | 2 | 4 | 8 | 4 | 7 | 7 | 2 | 1 | 2 | — | 2 | 16 |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
max °C | -14 | -11 | -10 | -12 | -16 | -13 | -13 | -11 | -12 | -15 | -20 | -20 | -15 | -12 | -10 | -7 |
min °C | -14 | -13 | -11 | -16 | -17 | -17 | -14 | -11 | -13 | -19 | -21 | -21 | -21 | -12 | -10 | -16 |
chill °C | -26 | -18 | -16 | -27 | -28 | -28 | -26 | -20 | -25 | -33 | -34 | -34 | -34 | -22 | -18 | -30 |
Freezing level m | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
 | — | 7:01 | — | — | 6:58 | — | — | 6:54 | — | — | 6:50 | — | — | 6:47 | — | — |
 | — | — | 7:14 | — | — | 7:16 | — | — | 7:20 | — | — | 7:22 | — | — | 7:25 | — |
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Mount William (Antarctica) Weather (Days 0-3):
The weather forecast for Mount William (Antarctica) is: A heavy fall of snow, heaviest during Thu afternoon. Temperatures will be well below freezing (max -10°C on Tue afternoon, min -17°C on Wed morning). Winds increasing (light winds from the SE on Tue afternoon, gales from the WSW by Thu afternoon).
Mount William (Antarctica) Weather (Days 3-6):
A heavy fall of snow, heaviest during Sat night. Temperatures will be well below freezing (max -7°C on Sat night, min -21°C on Fri morning). Winds increasing (moderate winds from the WSW on Sat morning, gales from the WNW by Sat night).
This table gives the weather forecast for Mount William (Antarctica) at the specific elevation of 1000 m. Our advanced weather models allow us to provide distinct weather forecasts for several elevations of Mount William (Antarctica). 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 Antarctica.
| Weather Station | Temp. | Weather | Wind | Gusts | Cloud / Visibility |
|---|---|---|---|---|---|
Marambio Airport (Seymour Island) |  | ||||
Centro Met. Antártico Presidente Eduardo Frei | |||||
Teniente R. Marsh Airport |  | ||||
Puerto Williams | |||||
Ushuaia Naval Base Airport | | ||||
Rio Grande Airport |  | ||||
| |||||
Mount Pleasant Airport | | ||||
Rio Gallegos Airport | | ||||
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* 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.