– Lat/Long: 64.78° S 63.68° W
Mount William (Antarctica)
Weather Forecast, AntarcticaIssued: 8 pm Sat 18 Jul Local TimeUpdates in: hr min sUpdate imminent
Issued: 8 pm Sat 18 Jul Local Time
Updates in:
Update imminent hr min s
Issued: 8 pm Sat 18 Jul Local Time
Updates in:
Update imminent hr min s
4 Mount William (Antarctica) Elevations: 4 Forecast Elevations: Days 1–4 Weather SummaryA dusting of new snow. Extremely cold (max -11°C on Tue afternoon, min -21°C on Sat night). Wind will be generally light. | Days 5–7 Weather SummaryA heavy fall of snow, heaviest during Thu night. Temperatures will be well below freezing (max -7°C on Thu morning, min -11°C on Tue night). Winds increasing (light winds from the S on Tue night, gales from the W by Fri morning). | ||||||||||||||||||
Sunday 19 | Monday 20 | Tuesday 21 | Wednesday 22 | Thursday 23 | Friday 24 | ||||||||||||||
night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  | |  |  | | | | | | | |  |  |  |  | | |  | |
snow shwrs | clear | clear | some clouds | some clouds | some clouds | some clouds | some clouds | clear | some clouds | clear | some clouds | light snow | light snow | mod. snow | heavy snow | mod. snow | mod. snow | mod. snow | |
Cloud base (m) | 300 | 400 | 350 | 300 | 300 | 300 | 300 | 300 | 300 | 300 | 300 | 300 | 300 | 300 | 300 | 250 | 250 | 250 | |
km/h | |||||||||||||||||||
 |  |  |  |  |  |  | |||||||||||||
 cm | 2 | — | — | — | — | — | — | — | — | — | — | — | 3 | 3 | 9 | 22 | 10 | 9 | 10 |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
max °C | -15 | -21 | -19 | -17 | -15 | -13 | -13 | -12 | -11 | -11 | -10 | -9 | -9 | -7 | -7 | -7 | -7 | -7 | -7 |
min °C | -21 | -21 | -20 | -20 | -17 | -13 | -14 | -12 | -12 | -11 | -11 | -10 | -11 | -8 | -7 | -7 | -7 | -8 | -12 |
chill °C | -25 | -21 | -20 | -24 | -27 | -19 | -22 | -18 | -18 | -18 | -17 | -18 | -20 | -18 | -17 | -17 | -19 | -16 | -20 |
Freezing level m | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
 | — | 10:41 | — | — | 10:38 | — | — | 10:36 | — | — | 10:33 | — | — | 10:30 | — | — | 10:27 | — | — |
 | — | — | 4:00 | — | — | 4:02 | — | — | 4:06 | — | — | 4:08 | — | — | 4:12 | — | — | 4:15 | — |
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Mount William (Antarctica) Weather (Days 0-3):
The weather forecast for Mount William (Antarctica) is: A dusting of new snow. Extremely cold (max -11°C on Tue afternoon, min -21°C on Sat night). Wind will be generally light.
Mount William (Antarctica) Weather (Days 3-6):
A heavy fall of snow, heaviest during Thu night. Temperatures will be well below freezing (max -7°C on Thu morning, min -11°C on Tue night). Winds increasing (light winds from the S on Tue night, gales from the W by Fri morning).
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) |  | ||||
Centro Met. Antártico Presidente Eduardo Frei | |||||
Teniente R. Marsh Airport |  | ||||
Dinamet | |||||
Puerto Williams | |||||
Ushuaia Naval Base Airport | | ||||
Rio Grande Airport | | ||||
Punta Arenas Unidad Aeropolicial | |||||
Instituto de la Patagonia (Jorge Schytte) |
* 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.