Mountain resort image
– Lat/Long: 64.78° S 63.68° W

Mount William (Antarctica)
Weather Forecast, Antarctica

Issued: 8 pm Mon 31 Aug Local Time
Updates in:
hr min s
Update imminent

Days 1–4 Weather Summary

A moderate fall of snow, heaviest on Mon night. Temperatures will be well below freezing (max -10°C on Mon night, min -23°C on Tue night). Winds decreasing (fresh winds from the WSW on Tue morning, calm by Wed morning).

Days 5–7 Weather Summary

A heavy fall of snow, heaviest during Fri night. Temperatures will be below freezing (max -3°C on Fri night, min -18°C on Thu night). Winds increasing (light winds from the SSW on Thu night, fresh winds from the W by Sat morning).

Tuesday
1
Wednesday
2
Thursday
3
Friday
4
Saturday
5
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
light snow
light snow
light snow
clear
clear
part cloud
part cloud
part cloud
part cloud
part cloud
clear
part cloud
mod snow
mod snow
light snow
light snow
light snow
light snow
light snow
clear
clear
some clouds
some clouds
some clouds
some clouds
some clouds
clear
some clouds
mod. snow
mod. snow
light snow
light snow
Cloud base (m)
250
200
250
300
300
300
350
350
400
400
750
300
300
300
km/h
20
W
20
NW
30
SW
5
SSE
5
S
10
SW
10
SW
5
SSW
5
SSW
10
SSW
20
SW
20
SW
15
WNW
35
W
30
WSW
15
SW
Weather map
Weather map
Weather map
Weather map
Weather map
Weather map
Snowflake cm
5
3
3
9
9
4
1
 mm
max °C
-10
-18
-20
-22
-20
-20
-21
-19
-18
-16
-13
-12
-3
-3
-4
-7
min °C
-19
-19
-20
-23
-22
-21
-21
-20
-19
-18
-16
-14
-11
-3
-8
-8
 chill °C
-26
-32
-33
-33
-22
-29
-28
-25
-24
-25
-25
-22
-18
-11
-16
-16
Freezing level m
0
0
0
0
0
0
0
0
0
0
0
0
0
50
0
0
Sea lvl1000m2000m3000m4000m5000m
-21-27-29-26-24-25-24-23-21-15-10-11-9-10-12-11-17-22-24-24-22-22-22-21-19-15-11-11-8-7-9-9-15-19-20-23-21-21-21-20-19-17-15-13-7-3-6-8-12-16-16-22-20-18-20-19-18-19-18-15-60-3-7
Sunrise
8:17
8:14
8:10
8:07
8:03
Sunset
6:12
6:15
6:17
6:21
6:23

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Mount William (Antarctica) Weather (Days 0-3):

The weather forecast for Mount William (Antarctica) is: A moderate fall of snow, heaviest on Mon night. Temperatures will be well below freezing (max -10°C on Mon night, min -23°C on Tue night). Winds decreasing (fresh winds from the WSW on Tue morning, calm by Wed morning).

Mount William (Antarctica) Weather (Days 3-6):

A heavy fall of snow, heaviest during Fri night. Temperatures will be below freezing (max -3°C on Fri night, min -18°C on Thu night). Winds increasing (light winds from the SSW on Thu night, fresh winds from the W by Sat 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.

Live conditions reported by 10 closest weather stations

Weather StationTemp.WeatherWindGusts
Cloud
Visibility
Cloud / Visibility
Captain Arturo Prat Base
323 km NE
111m alt.
2 hours ago
-4°C
State of sky unchanged.
33
Fresh winds from the WSW
(33 kph at 240).
30 km
Mid: overcast
BaseBernardoO higgins
326 km ENE
10m alt.
2 hours ago
-8°C
State of sky unchanged.
39
Strong winds from the W
(39 kph at 270).
30 km
Mid: overcast
Marambio Airport (Seymour Island)
340 km E
232m alt.
2 hours ago
clear
-
28
Moderate winds from the W
(28 kph at 270).
0.0 km
BaseMarambio
344 km E
200m alt.
2 hours ago
-6°C
-
30
Fresh winds from the WSW
(30 kph at 250).
35 km
Mid: clear
BaseEsperanza
360 km ENE
24m alt.
2 hours ago
-4°C
-
50
Strong winds from the W
(50 kph at 270).
30 km
Mid: few
Centro Met. Antártico Presidente Eduardo Frei
372 km NE
48m alt.
2 hours ago
-3°C
State of sky unchanged.
48
Strong winds from the W
(48 kph at 270).
30 km
Mid: overcast
Teniente R. Marsh Airport
372 km NE
45m alt.
3 hours ago
-4°C
partially cloudy
Dry and partly cloudy.
50
Strong winds from the WSW
(50 kph at 250).
10.0 km
Low: scattered
Mid: broken
BaseCarlini
378 km NE
11m alt.
2 hours ago
-3°C
-
41
Strong winds from the W
(41 kph at 270).
30 km
Mid: mostly cloudy
Dinamet
379 km NE
52m alt.
2 hours ago
-3°C
No report.
22
Moderate winds from the WNW
(22 kph at 300).
BaseSanMartin
403 km S
7m alt.
2 hours ago
-19°C
moderate snow
Continuous moderate snow.
Wind obs. (9 kph from 50 degs) was rejected.
2.0 km
Mid: overcast

* 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.