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

Mount William (Antarctica)
Weather Forecast, Antarctica

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

Days 1–3 Weather Summary

A heavy fall of snow, heaviest during Fri night. Temperatures will be below freezing (max -4°C on Fri night, min -17°C on Sun night). Winds decreasing (fresh winds from the WSW on Fri night, light winds from the SSW by Sun night).

Days 4–6 Weather Summary

Mostly dry. Extremely cold (max -14°C on Tue afternoon, min -18°C on Mon night). Wind will be generally light.

Friday
4
Saturday
5
Sunday
6
Monday
7
Tuesday
8
Wednesday
9
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
clear
part cloud
heavy snow
light snow
light snow
mod snow
mod snow
mod snow
light snow
cloud
part cloud
part cloud
part cloud
part cloud
part cloud
clear
part cloud
part cloud
clear
some clouds
heavy snow
light snow
light snow
mod. snow
mod. snow
mod. snow
light snow
cloudy
some clouds
some clouds
some clouds
some clouds
some clouds
clear
some clouds
some clouds
Cloud base (m)
350
350
300
350
300
250
250
250
250
250
550
1250
400
450
400
400
450
300
km/h
20
SW
15
WSW
20
NW
25
WSW
20
WSW
10
NW
15
W
15
WNW
15
WSW
10
SE
10
E
10
ENE
5
WNW
5
W
5
W
5
WSW
10
SW
10
SW
Weather map
Weather map
Weather map
Weather map
Weather map
Weather map
Snowflake cm
18
4
2
9
6
8
5
 mm
max °C
-12
-9
-4
-5
-5
-4
-4
-5
-10
-16
-15
-17
-15
-14
-17
-16
-15
-17
min °C
-15
-11
-7
-6
-6
-6
-5
-5
-17
-17
-17
-18
-17
-17
-17
-17
-17
-18
 chill °C
-24
-18
-16
-14
-12
-10
-11
-11
-22
-23
-23
-24
-17
-21
-22
-22
-24
-26
Freezing level m
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Sea lvl1000m2000m3000m4000m5000m
-11-11-11-13-11-11-12-13-19-21-21-21-21-21-21-20-20-19-12-11-9-10-9-8-8-9-16-18-19-19-19-19-19-18-18-19-14-10-6-6-6-5-5-5-14-17-16-18-16-16-17-17-16-18-16-11-4-3-3-2-1-2-11-14-14-16-14-13-16-15-15-18
Sunrise
8:07
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 -17°C on Sun night). Winds decreasing (fresh winds from the WSW on Fri night, light winds from the SSW by Sun night).

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

Mostly dry. Extremely cold (max -14°C on Tue afternoon, min -18°C on Mon night). 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.

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
-8°C
State of sky unchanged.
13
Light winds from the SSW
(13 kph at 210).
30 km
Mid: mostly cloudy
BaseBernardoO higgins
326 km ENE
10m alt.
2 hours ago
-17°C
State of sky unchanged.
7
Light winds from the S
(7 kph at 180).
30 km
Mid: overcast
Marambio Airport (Seymour Island)
340 km E
232m alt.
2 hours ago
clear
-
9
Light winds from the WNW
(9 kph at 290).
0.0 km
BaseMarambio
344 km E
200m alt.
2 hours ago
-19°C
-
11
Light winds from the W
(11 kph at 270).
35 km
Mid: clear
BaseEsperanza
360 km ENE
24m alt.
2 hours ago
-17°C
-
6
Light winds from the SW
(6 kph at 230).
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
cloudy
Dry and cloudy.
9
Light winds from the S
(9 kph at 180).
10.0 km
Low: overcast
BaseCarlini
378 km NE
11m alt.
2 hours ago
-8°C
moderate snow
Clouds dissolving.
24
Moderate winds from the WSW
(24 kph at 250).
30 km
Mid: scattered
Dinamet
379 km NE
52m alt.
51 minutes ago
-
Wind obs. (22 kph from 300 degs) was rejected.
BaseSanMartin
403 km S
7m alt.
2 hours ago
-33°C
-
Wind obs. (15 kph from 320 degs) was rejected.
40 km
Mid: clear

* 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.