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 well below freezing (max -6°C on Sat morning, min -19°C on Mon night). Winds increasing (calm 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 -15°C on Thu night, min -22°C on Tue night). Winds decreasing (fresh winds from the SW 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
5
SSW
10
SW
15
SW
15
SW
10
WSW
10
WNW
20
NW
20
NW
15
WSW
15
W
30
SW
10
SSW
5
E
0
SW
5
SSW
10
NE
10
E
15
ENE
Weather map
Weather map
Weather map
Weather map
Weather map
Weather map
Snowflake cm
1
3
5
2
4
 mm
max °C
-6
-6
-7
-8
-8
-10
-7
-9
-10
-18
-19
-20
-19
-19
-19
-17
-16
-15
min °C
-7
-7
-8
-8
-9
-12
-8
-10
-19
-19
-19
-22
-21
-20
-20
-18
-18
-18
 chill °C
-10
-11
-15
-14
-14
-17
-15
-19
-28
-28
-31
-30
-21
-20
-24
-25
-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 well below freezing (max -6°C on Sat morning, min -19°C on Mon night). Winds increasing (calm 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 -15°C on Thu night, min -22°C on Tue night). Winds decreasing (fresh winds from the SW on Tue afternoon, calm by Wed morning).

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
ASCATC295E65S
70 km WSW
15m alt.
3 hours ago
30
Fresh winds from the SW
(30 kph at 231).
- km
Captain Arturo Prat Base
323 km NE
111m alt.
1 hour 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.
1 hour 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
clear
-
26
Moderate winds from the SSW
(26 kph at 200).
0.0 km
BaseMarambio
344 km E
200m alt.
1 hour ago
-19°C
-
30
Fresh winds from the SSW
(30 kph at 200).
35 km
Mid: clear
ASCATC291E63S
370 km WNW
15m alt.
3 hours ago
27
Moderate winds from the SW
(27 kph at 227).
- km
Centro Met. Antártico Presidente Eduardo Frei
372 km NE
48m alt.
1 hour ago
-2°C
State of sky unchanged.
24
Moderate winds from the WSW
(24 kph at 240).
30 km
Mid: overcast
Teniente R. Marsh Airport
372 km NE
45m alt.
1 hour 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.
1 hour ago
-2°C
-
26
Moderate winds from the W
(26 kph at 270).
30 km
Mid: mostly cloudy
Dinamet
379 km NE
52m alt.
1 hour ago
-3°C
No report.
22
Moderate winds from the WNW
(22 kph at 300).

* 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.