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

Mount William (Antarctica)
Weather Forecast, Antarctica

Issued: 2 pm Fri 04 Sep Local Time
Updates in:
hr min s
Update imminent

Days 1–4 Weather Summary

A heavy fall of snow, heaviest during Fri night. Temperatures will be below freezing (max -4°C on Fri night, min -19°C on Sun night). Winds decreasing (strong winds from the WSW on Fri night, light winds from the NW by Sat night).

Days 5–7 Weather Summary

Mostly dry. Extremely cold (max -11°C on Thu morning, min -18°C on Mon night). Winds increasing (calm on Mon night, fresh winds from the SW by Wed night).

Fri
4
Saturday
5
Sunday
6
Monday
7
Tuesday
8
Wednesday
9
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
cloud
heavy snow
light snow
light snow
light snow
mod snow
heavy snow
light snow
part cloud
cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
cloudy
heavy snow
light snow
light snow
light snow
mod. snow
heavy snow
light snow
some clouds
cloudy
some clouds
some clouds
some clouds
some clouds
some clouds
some clouds
some clouds
Cloud base (m)
350
300
350
300
250
250
250
250
250
1200
2400
450
400
350
350
300
300
km/h
20
SW
20
NW
25
WSW
20
WSW
10
NW
15
W
25
WSW
15
SW
10
SE
15
E
10
ENE
5
WNW
10
WSW
10
SW
10
SW
15
SW
30
SW
Weather map
Weather map
Weather map
Weather map
Weather map
Weather map
Snowflake cm
18
3
2
3
8
11
2
 mm
max °C
-11
-4
-6
-6
-4
-4
-6
-15
-17
-17
-17
-15
-15
-16
-13
-13
-13
min °C
-12
-6
-6
-6
-6
-5
-12
-19
-19
-17
-18
-17
-17
-18
-15
-13
-15
 chill °C
-20
-13
-14
-13
-11
-11
-20
-26
-26
-25
-25
-22
-24
-25
-21
-21
-26
Freezing level m
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Sea lvl1000m2000m3000m4000m5000m
-11-11-12-12-11-12-16-21-21-21-21-21-21-17-13-14-16-11-9-10-9-8-8-13-20-20-19-19-19-19-17-13-13-14-12-5-6-6-5-5-9-17-18-17-18-16-16-17-14-13-14-12-3-3-3-3-1-5-14-16-15-17-14-14-18-16-14-14
Sunrise
8:03
7:58
7:56
7:52
7:48
Sunset
6:21
6:23
6:27
6:30
6:32
6:36

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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 below freezing (max -4°C on Fri night, min -19°C on Sun night). Winds decreasing (strong winds from the WSW on Fri night, light winds from the NW by Sat night).

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

Mostly dry. Extremely cold (max -11°C on Thu morning, min -18°C on Mon night). Winds increasing (calm on Mon night, fresh winds from the SW by Wed night).

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.
3 hours ago
-6°C
State of sky unchanged.
6
Light winds from the SSE
(6 kph at 150).
30 km
Mid: mostly cloudy
BaseBernardoO higgins
326 km ENE
10m alt.
3 hours ago
-13°C
partially cloudy
Clouds dissolving.
19
Light winds from the S
(19 kph at 180).
40 km
Mid: mostly cloudy
Marambio Airport (Seymour Island)
340 km E
232m alt.
2 hours ago
clear
-
26
Moderate winds from the NW
(26 kph at 310).
0.0 km
BaseMarambio
344 km E
200m alt.
3 hours ago
-13°C
-
22
Moderate winds from the NW
(22 kph at 320).
35 km
Mid: scattered
BaseEsperanza
360 km ENE
24m alt.
3 hours ago
-9°C
-
7
Light winds from the SE
(7 kph at 140).
30 km
Mid: clear
Centro Met. Antártico Presidente Eduardo Frei
372 km NE
48m alt.
51 minutes ago
-4°C
No report.
Wind obs. (115 kph from 270 degs) was rejected.
Teniente R. Marsh Airport
372 km NE
45m alt.
2 hours ago
-8°C
partially cloudy
Dry and partly cloudy.
33
Fresh winds from the WSW
(33 kph at 250).
10.0 km
Low: broken
BaseCarlini
378 km NE
11m alt.
3 hours ago
-7°C
-
30
Fresh winds from the WNW
(30 kph at 290).
30 km
Mid: overcast
Dinamet
379 km NE
52m alt.
51 minutes ago
-3°C
No report.
22
Moderate winds from the WNW
(22 kph at 300).
BaseSanMartin
403 km S
7m alt.
3 hours ago
-24°C
-
Wind obs. (15 kph from 180 degs) was rejected.
40 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.