– Lat/Long: 64.78° S 63.68° W
Mount William (Antarctica)
Weather Forecast, AntarcticaIssued: 2 pm Wed 19 Aug Local TimeUpdates in: hr min sUpdate imminent
Issued: 2 pm Wed 19 Aug Local Time
Updates in:
Update imminent hr min s
Issued: 2 pm Wed 19 Aug Local Time
Updates in:
Update imminent hr min s
4 Mount William (Antarctica) Elevations: 4 Forecast Elevations: Days 1–4 Weather SummaryA light covering of new snow mostly falling on Thu night. Temperatures will be well below freezing (max -8°C on Thu night, min -11°C on Wed night). Winds increasing (calm on Wed afternoon, strong winds from the SW by Thu night). | Days 5–7 Weather SummaryMostly dry. Temperatures will be below freezing (max -5°C on Mon night, min -9°C on Sat afternoon). Wind will be generally light. | ||||||||||||||||
Wed 19 | Thursday 20 | Friday 21 | Saturday 22 | Sunday 23 | Monday 24 | ||||||||||||
PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  |  |  |  |  |  | | | | | |  | | |  | |
cloudy | snow shwrs | light snow | some clouds | light snow | snow shwrs | clear | clear | some clouds | clear | clear | clear | some clouds | cloudy | some clouds | some clouds | some clouds | |
Cloud base (m) | 250 | 300 | 300 | 300 | 300 | 300 | 350 | 400 | 350 | 350 | 350 | 350 | 350 | 350 | 350 | 350 | |
km/h | |||||||||||||||||
 |  |  |  |  |  | ||||||||||||
 cm | — | 1 | 1 | — | 4 | 1 | — | — | — | — | — | — | — | — | — | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
max °C | -10 | -11 | -11 | -10 | -8 | -10 | -9 | -9 | -9 | -9 | -8 | -7 | -7 | -6 | -7 | -7 | -5 |
min °C | -10 | -11 | -11 | -11 | -11 | -10 | -11 | -10 | -9 | -9 | -9 | -7 | -7 | -8 | -8 | -7 | -7 |
chill °C | -10 | -15 | -17 | -19 | -19 | -18 | -16 | -15 | -9 | -14 | -9 | -7 | -12 | -15 | -15 | -15 | -14 |
Freezing level m | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
 | — | — | 9:00 | — | — | 8:56 | — | — | 8:52 | — | — | 8:48 | — | — | 8:45 | — | — |
 | 5:34 | — | — | 5:37 | — | — | 5:39 | — | — | 5:43 | — | — | 5:45 | — | — | 5:49 | — |
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Mount William (Antarctica) Weather (Days 0-3):
The weather forecast for Mount William (Antarctica) is: A light covering of new snow mostly falling on Thu night. Temperatures will be well below freezing (max -8°C on Thu night, min -11°C on Wed night). Winds increasing (calm on Wed afternoon, strong winds from the SW by Thu night).
Mount William (Antarctica) Weather (Days 3-6):
Mostly dry. Temperatures will be below freezing (max -5°C on Mon night, min -9°C on Sat afternoon). Wind will be generally light.
This table gives the weather forecast for Mount William (Antarctica) at the specific elevation of 500 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) |  | ||||
Teniente R. Marsh Airport |  | ||||
Puerto Williams | |||||
Ushuaia Naval Base Airport |  | ||||
Rio Grande Airport |  | ||||
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Sea Lion Island | |||||
Mount Alice | |||||
Weddell Island |
* 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.