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

Mount William (Antarctica)
Weather Forecast, Antarctica

Issued: 2 am Sat 29 Aug Local Time
Updates in:
hr min s
Update imminent

Days 1–3 Weather Summary

A light covering of new snow mostly falling on Mon night. Temperatures will be below freezing (max -4°C on Sat morning, min -22°C on Mon night). Winds increasing (light winds from the WSW on Sat morning, fresh winds from the W by Mon night).

Days 4–6 Weather Summary

A light covering of new snow mostly falling on Tue afternoon. Extremely cold (max -16°C on Thu night, min -23°C on Tue morning). Winds decreasing (fresh winds from the SSW on Tue afternoon, calm by Wed morning).

Saturday
29
Sunday
30
Monday
31
Tuesday
1
Wednesday
2
Thursday
3
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
clear
clear
clear
part cloud
part cloud
part cloud
light snow
light snow
light snow
light snow
light snow
clear
clear
clear
clear
clear
clear
part cloud
clear
clear
clear
some clouds
some clouds
some clouds
light snow
light snow
light snow
light snow
light snow
clear
clear
clear
clear
clear
clear
some clouds
Cloud base (m)
300
300
300
300
350
250
250
250
250
4850
5400
km/h
10
SSW
15
SW
25
SW
30
SW
20
WSW
15
W
25
NW
25
NW
15
WSW
20
W
35
SW
15
SSW
5
SSE
5
SW
10
SSW
10
ENE
10
E
15
E
Weather map
Weather map
Weather map
Weather map
Weather map
Weather map
Snowflake cm
1
3
5
2
4
 mm
max °C
-4
-5
-5
-7
-8
-10
-11
-13
-13
-22
-23
-22
-21
-21
-20
-19
-18
-16
min °C
-4
-5
-6
-7
-9
-13
-11
-13
-22
-23
-23
-23
-22
-21
-21
-20
-19
-18
 chill °C
-8
-10
-15
-16
-16
-21
-20
-22
-33
-34
-37
-35
-26
-27
-30
-27
-26
-27
Freezing level m
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Sea lvl1000m2000m3000m4000m5000m
-6-6-6-9-11-14-14-16-22-27-28-25-24-24-23-22-20-18-4-5-6-7-9-12-11-13-18-23-23-23-22-21-21-20-19-17-7-7-8-8-9-11-8-10-15-19-19-21-20-20-20-18-17-17-9-8-10-9-9-10-5-6-11-15-15-20-19-18-19-16-16-17
Sunrise
8:27
8:23
8:21
8:17
8:14
8:10
Sunset
6:04
6:06
6:08
6:12
6:15
6:17

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

The weather forecast for Mount William (Antarctica) is: A light covering of new snow mostly falling on Mon night. Temperatures will be below freezing (max -4°C on Sat morning, min -22°C on Mon night). Winds increasing (light winds from the WSW on Sat morning, fresh winds from the W by Mon night).

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

A light covering of new snow mostly falling on Tue afternoon. Extremely cold (max -16°C on Thu night, min -23°C on Tue morning). Winds decreasing (fresh winds from the SSW on Tue afternoon, calm by Wed morning).

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.
3 hours ago
-3°C
partially cloudy
Clouds developing.
30
Fresh winds from the WSW
(30 kph at 240).
30 km
Mid: overcast
BaseBernardoO higgins
326 km ENE
10m alt.
3 hours ago
-5°C
State of sky unchanged.
9
Light winds from the S
(9 kph at 180).
30 km
Mid: overcast
Marambio Airport (Seymour Island)
340 km E
232m alt.
2 hours ago
-17°C
moderate snow
Low drifting moderate snow.
44
Strong winds from the S
(44 kph at 180).
8.0 km
Low: broken
BaseMarambio
344 km E
200m alt.
1 hour ago
-19°C
heavy snow
Heavy drifting snow, above eye level.
44
Strong winds from the SSW
(44 kph at 200).
0.5 km
Mid: scattered
Centro Met. Antártico Presidente Eduardo Frei
372 km NE
48m alt.
3 hours ago
-4°C
No report.
Wind obs. (115 kph from 270 degs) was rejected.
Teniente R. Marsh Airport
372 km NE
45m alt.
3 hours ago
-2°C
cloudy
Dry and cloudy.
24
Moderate winds from the WSW
(24 kph at 240).
10.0 km
Low: overcast
BaseCarlini
378 km NE
11m alt.
3 hours ago
-2°C
-
26
Moderate winds from the W
(26 kph at 270).
30 km
Mid: mostly cloudy
Dinamet
379 km NE
52m alt.
3 hours ago
-3°C
No report.
22
Moderate winds from the WNW
(22 kph at 300).
BaseSanMartin
403 km S
7m alt.
3 hours ago
-25°C
-
0
Calm
(0 kph at 0).
40 km
Mid: clear
BaseOrcadas
1062 km ENE
8m alt.
3 hours ago
-9°C
light snow
Continuous light snow.
17
Light winds from the NE
(17 kph at 50).
26 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.