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

Mount William (Antarctica)
Weather Forecast, Antarctica

Issued: 8 pm Fri 21 Aug Local Time
Updates in:
hr min s
Update imminent

Days 1–4 Weather Summary

Mostly dry. Temperatures will be below freezing (max -4°C on Sun morning, min -9°C on Fri night). Winds increasing (light winds from the SSW on Fri night, fresh winds from the SW by Sun night).

Days 5–7 Weather Summary

Mostly dry. Temperatures will be well below freezing (max -7°C on Mon night, min -9°C on Tue morning). Wind will be generally light.

Saturday
22
Sunday
23
Monday
24
Tuesday
25
Wednesday
26
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
clear
part cloud
clear
clear
part cloud
part cloud
part cloud
cloud
part cloud
cloud
cloud
cloud
part cloud
clear
clear
clear
clear
some clouds
clear
clear
some clouds
some clouds
some clouds
cloudy
some clouds
cloudy
cloudy
cloudy
some clouds
clear
clear
clear
Cloud base (m)
350
350
350
350
350
350
350
350
350
300
300
300
1400
km/h
10
S
20
SW
25
SW
15
SW
30
SW
30
SW
35
SW
25
SW
25
SW
10
SW
10
SW
15
SW
10
SSW
5
ENE
5
S
5
SE
Weather map
Weather map
Weather map
Weather map
Weather map
Weather map
Snowflake cm
 mm
max °C
-7
-7
-6
-5
-4
-5
-8
-7
-7
-7
-9
-8
-7
-7
-8
-8
min °C
-9
-7
-7
-5
-4
-7
-9
-8
-7
-8
-9
-8
-8
-8
-8
-8
 chill °C
-16
-14
-15
-10
-12
-16
-19
-16
-15
-12
-14
-14
-14
-12
-8
-12
Freezing level m
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Sea lvl1000m2000m3000m4000m5000m
-8-6-6-4-4-6-10-10-9-10-11-11-10-10-11-10-8-7-7-5-4-6-9-8-7-8-9-8-8-8-8-8-10-8-8-8-6-7-8-6-5-6-7-7-8-7-7-8-11-9-10-10-8-7-7-5-4-4-5-5-7-5-6-8
Sunrise
8:52
8:48
8:45
8:41
8:38
Sunset
5:43
5:45
5:49
5:52
5:54

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

The weather forecast for Mount William (Antarctica) is: Mostly dry. Temperatures will be below freezing (max -4°C on Sun morning, min -9°C on Fri night). Winds increasing (light winds from the SSW on Fri night, fresh winds from the SW by Sun night).

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

Mostly dry. Temperatures will be well below freezing (max -7°C on Mon night, min -9°C on Tue morning). Wind will be generally light.

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.

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
partially cloudy
Clouds dissolving.
7
Light winds from the ESE
(7 kph at 110).
30 km
Mid: clear
BaseBernardoO higgins
326 km ENE
10m alt.
2 hours ago
-14° C
partially cloudy
Clouds dissolving.
44
Strong winds from the SSW
(44 kph at 200).
30 km
Mid: overcast
Marambio Airport (Seymour Island)
340 km E
232m alt.
3 hours ago
-22° C
moderate snow
Blowing moderate snow.
52
Near gales from the SSW
(52 kph at 200).
0.5 km
Low: no significant cloud
BaseMarambio
344 km E
200m alt.
2 hours ago
-23° C
heavy snow
Heavy drifting snow, below eye level.
46
Strong winds from the S
(46 kph at 180).
2.0 km
Mid: clear
BaseEsperanza
360 km ENE
24m alt.
2 hours ago
-16° C
Clouds dissolving.
19
Light winds from the SSW
(19 kph at 200).
30 km
Mid: clear
Centro Met. Antártico Presidente Eduardo Frei
372 km NE
48m alt.
2 hours ago
-9° C
State of sky unchanged.
35
Fresh winds from the E
(35 kph at 100).
30 km
Mid: scattered
Teniente R. Marsh Airport
372 km NE
45m alt.
3 hours ago
-8° C
partially cloudy
Dry and partly cloudy.
39
Strong winds from the ESE
(39 kph at 110).
10.0 km
Low: scattered
BaseCarlini
378 km NE
11m alt.
2 hours ago
-10° C
-
39
Strong winds from the ESE
(39 kph at 110).
30 km
Mid: few
Dinamet
379 km NE
52m alt.
2 hours ago
-
Wind obs. (22 kph from 300 degs) was rejected.
BaseSanMartin
403 km S
7m alt.
2 hours ago
-16° C
-
Wind obs. (11 kph from 140 degs) was rejected.
40 km
Mid: scattered

* 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.