– Lat/Long: 64.78° S 63.68° W
Mount William (Antarctica)
Weather Forecast, AntarcticaIssued: 8 pm Fri 17 Jul Local TimeUpdates in: hr min sUpdate imminent
Issued: 8 pm Fri 17 Jul Local Time
Updates in:
Update imminent hr min s
Issued: 8 pm Fri 17 Jul 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 Fri night. Temperatures will be well below freezing (max -9°C on Fri night, min -21°C on Sat night). Winds decreasing (gales from the WNW on Fri night, calm by Sat night). | Days 5–7 Weather SummaryA moderate fall of snow, heaviest on Thu afternoon. Temperatures will be well below freezing (max -10°C on Mon night, min -17°C on Mon night). Winds increasing (moderate winds from the S on Tue afternoon, near gales from the WSW by Thu afternoon). | ||||||||||||||||||
Saturday 18 | Sunday 19 | Monday 20 | Tuesday 21 | Wednesday 22 | Thursday 23 | ||||||||||||||
night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  | |  |  |  |  | | |  |  | | | | | | |  | | |
heavy snow | light snow | light snow | light snow | some clouds | clear | some clouds | some clouds | clear | snow shwrs | snow shwrs | clear | some clouds | clear | clear | light snow | light snow | mod. snow | heavy snow | |
Cloud base (m) | 250 | 450 | 350 | 300 | 350 | 350 | 350 | 300 | 300 | 300 | 300 | 300 | 4750 | 300 | 300 | 300 | 300 | 300 | 300 |
km/h | |||||||||||||||||||
 |  |  |  |  |  |  | |||||||||||||
 cm | 18 | 1 | 1 | 5 | — | — | — | — | — | 1 | 1 | — | — | — | — | 3 | 5 | 7 | 24 |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
max °C | -9 | -13 | -16 | -18 | -21 | -21 | -19 | -12 | -10 | -10 | -12 | -13 | -11 | -10 | -10 | -11 | -11 | -10 | -9 |
min °C | -12 | -15 | -16 | -21 | -21 | -21 | -20 | -20 | -11 | -17 | -16 | -13 | -14 | -11 | -11 | -13 | -12 | -11 | -12 |
chill °C | -22 | -25 | -24 | -21 | -21 | -27 | -30 | -32 | -20 | -30 | -26 | -23 | -24 | -19 | -20 | -25 | -24 | -22 | -23 |
Freezing level m | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
 | — | 10:44 | — | — | 10:41 | — | — | 10:38 | — | — | 10:36 | — | — | 10:33 | — | — | 10:30 | — | — |
 | — | — | 3:56 | — | — | 4:00 | — | — | 4:02 | — | — | 4:06 | — | — | 4:08 | — | — | 4:12 | — |
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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 Fri night. Temperatures will be well below freezing (max -9°C on Fri night, min -21°C on Sat night). Winds decreasing (gales from the WNW on Fri night, calm by Sat night).
Mount William (Antarctica) Weather (Days 3-6):
A moderate fall of snow, heaviest on Thu afternoon. Temperatures will be well below freezing (max -10°C on Mon night, min -17°C on Mon night). Winds increasing (moderate winds from the S on Tue afternoon, near gales from the WSW by Thu afternoon).
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) |  | ||||
Teniente R. Marsh Airport |  | ||||
ASCATB311E62S | |||||
ASCATB310E61S | |||||
ASCATB311E61S | |||||
ASCATB310E60S | |||||
ASCATB312E61S | |||||
ASCATC312E61S | |||||
ASCATC313E61S | |||||
ASCATB314E62S |
* 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.