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

Mount William (Antarctica)
Weather Forecast, Antarctica

Issued: 8 am Sat 05 Sep Local Time
Updates in:
hr min s
Update imminent

Days 1–3 Weather Summary

A heavy fall of snow, heaviest during Sun afternoon. Temperatures will be well below freezing (max -7°C on Sat night, min -19°C on Sun night). Winds decreasing (strong winds from the SW on Sat morning, calm by Mon afternoon).

Days 4–6 Weather Summary

Mostly dry. Temperatures will be well below freezing (max -8°C on Thu night, min -18°C on Tue morning). Winds increasing (calm on Tue night, fresh winds from the SW by Thu night).

Saturday
5
Sunday
6
Monday
7
Tuesday
8
Wednesday
9
Thursday
10
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
mod snow
light snow
light snow
mod snow
mod snow
snow showers
part cloud
cloud
cloud
cloud
cloud
part cloud
clear
clear
clear
clear
clear
clear
mod. snow
light snow
light snow
mod. snow
mod. snow
snow shwrs
some clouds
cloudy
cloudy
cloudy
cloudy
some clouds
clear
clear
clear
clear
clear
clear
Cloud base (m)
350
300
250
250
250
250
300
400
300
400
400
450
350
350
km/h
40
SW
25
WSW
15
W
20
W
20
W
20
SSW
10
S
5
ENE
15
NNE
10
NNE
15
ENE
10
SSW
10
SSW
5
SSE
10
S
10
SW
10
SW
10
SSW
Weather map
Weather map
Weather map
Weather map
Weather map
Weather map
Snowflake cm
6
2
3
10
9
2
 mm
max °C
-10
-9
-7
-8
-13
-17
-17
-17
-18
-18
-17
-17
-17
-17
-15
-12
-12
-8
min °C
-10
-9
-9
-9
-16
-19
-17
-18
-19
-18
-18
-18
-18
-17
-17
-14
-12
-11
 chill °C
-21
-18
-16
-18
-24
-29
-24
-24
-28
-26
-26
-24
-24
-22
-24
-20
-18
-18
Freezing level m
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Sea lvl1000m2000m3000m4000m5000m
-13-12-12-12-18-20-19-20-21-21-22-21-21-20-17-14-13-9-10-9-8-9-15-18-17-18-19-18-18-18-18-17-16-13-12-10-6-6-6-5-11-17-16-16-16-16-14-16-16-15-16-14-12-13-3-3-3-2-7-15-15-14-14-13-11-14-14-14-16-14-13-16
Sunrise
8:03
7:58
7:56
7:52
7:48
7:45
Sunset
6:23
6:27
6:30
6:32
6:36
6:38

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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 Sun afternoon. Temperatures will be well below freezing (max -7°C on Sat night, min -19°C on Sun night). Winds decreasing (strong winds from the SW on Sat morning, calm by Mon afternoon).

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

Mostly dry. Temperatures will be well below freezing (max -8°C on Thu night, min -18°C on Tue morning). Winds increasing (calm on Tue night, fresh winds from the SW by Thu night).

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
ASCATC296E64S
83 km NW
15m alt.
3 hours ago
51
Near gales from the SW
(51 kph at 221).
- km
ASCATC297E64S
98 km N
15m alt.
3 hours ago
57
Near gales from the SW
(57 kph at 229).
- km
ASCATC297E63S
146 km N
15m alt.
3 hours ago
63
Gales from the SW
(63 kph at 223).
- km
ASCATC296E63S
147 km N
15m alt.
3 hours ago
63
Gales from the SW
(63 kph at 218).
- km
ASCATC298E63S
247 km NNE
15m alt.
3 hours ago
69
Gales from the SW
(69 kph at 229).
- km
ASCATC297E62S
269 km NNE
15m alt.
3 hours ago
65
Gales from the SW
(65 kph at 225).
- km
ASCATC298E62S
270 km NNE
15m alt.
3 hours ago
67
Gales from the SW
(67 kph at 224).
- km
Captain Arturo Prat Base
323 km NE
111m alt.
2 hours ago
0°C
clear
Clear skies.
43
Strong winds from the WSW
(43 kph at 240).
30 km
Mid: clear
BaseBernardoO higgins
326 km ENE
10m alt.
2 hours ago
-3°C
State of sky unchanged.
28
Moderate winds from the WSW
(28 kph at 240).
30 km
Mid: overcast
Marambio Airport (Seymour Island)
340 km E
232m alt.
3 hours ago
-3°C
clear
-
54
Near gales from the SW
(54 kph at 230).
10.0 km
Low: few

* 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.