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

Mount William (Antarctica)
Weather Forecast, Antarctica

Issued: 2 pm Sun 19 Jul Local Time
Updates in:
hr min s
Update imminent

Days 1–4 Weather Summary

Mostly dry. Extremely cold (max -12°C on Tue morning, min -19°C on Sun afternoon). Wind will be generally light.

Days 5–7 Weather Summary

A heavy fall of snow, heaviest during Thu night. Temperatures will be well below freezing (max -7°C on Thu night, min -11°C on Wed afternoon). Winds increasing (light winds from the S on Wed afternoon, fresh winds from the SW by Thu night).

Sun
19
Monday
20
Tuesday
21
Wednesday
22
Thursday
23
Friday
24
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
clear
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
clear
part cloud
light snow
light snow
mod snow
light snow
light snow
mod snow
clear
some clouds
some clouds
some clouds
some clouds
some clouds
some clouds
some clouds
some clouds
clear
some clouds
light snow
light snow
mod. snow
light snow
light snow
mod. snow
Cloud base (m)
350
300
300
300
300
300
300
300
300
300
300
300
300
300
300
km/h
0
NNW
5
WSW
20
SW
15
SSW
20
WSW
15
SSW
20
SW
25
SW
15
SSW
5
S
20
WSW
25
SW
25
SW
30
SW
30
SW
25
SW
25
SW
Weather map
Weather map
Weather map
Weather map
Weather map
Weather map
Snowflake cm
1
2
10
5
4
6
 mm
max °C
-19
-17
-14
-13
-13
-12
-12
-12
-12
-11
-10
-9
-9
-7
-7
-8
-9
min °C
-19
-18
-16
-13
-14
-13
-12
-13
-12
-11
-11
-10
-9
-8
-8
-9
-9
 chill °C
-19
-22
-25
-20
-23
-20
-20
-21
-19
-15
-18
-19
-18
-17
-17
-17
-18
Freezing level m
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Sea lvl1000m2000m3000m4000m5000m
-20-18-14-11-15-14-15-15-14-13-12-12-13-14-14-15-15-20-18-14-10-14-11-13-13-12-11-12-11-12-11-12-12-12-19-18-15-13-14-13-12-13-12-11-11-10-9-8-8-9-9-19-18-16-16-13-14-12-12-13-12-11-9-7-5-4-5-5
Sunrise
10:38
10:36
10:33
10:30
10:27
Sunset
4:00
4:02
4:06
4:08
4:12
4:15

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

The weather forecast for Mount William (Antarctica) is: Mostly dry. Extremely cold (max -12°C on Tue morning, min -19°C on Sun afternoon). Wind will be generally light.

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

A heavy fall of snow, heaviest during Thu night. Temperatures will be well below freezing (max -7°C on Thu night, min -11°C on Wed afternoon). Winds increasing (light winds from the S on Wed afternoon, fresh winds from the SW by Thu night).

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
Marambio Airport (Seymour Island)
340 km E
232m alt.
2 hours ago
-28° C
clear
-
24
Moderate winds from the S
(24 kph at 170).
10.0 km
Low: few
Centro Met. Antártico Presidente Eduardo Frei
372 km NE
48m alt.
1 hour ago
-
Wind obs. (115 kph from 270 degs) was rejected.
Teniente R. Marsh Airport
372 km NE
45m alt.
2 hours ago
-14° C
partially cloudy
Dry and partly cloudy.
43
Strong winds from the ESE
(43 kph at 110).
8.0 km
Low: broken
Mid: broken
Dinamet
379 km NE
52m alt.
1 hour ago
-
Wind obs. (22 kph from 300 degs) was rejected.
1119 km NW
14m alt.
1 hour ago
-1° C
No report.
43
Strong winds from the W
(43 kph at 260).
Puerto Williams
1119 km NW
14m alt.
2 hours ago
-1° C
Light snow.
15
Light winds from the W
(15 kph at 260).
1.5 km
Low: overcast
Ushuaia Naval Base Airport
1143 km NW
204m alt.
2 hours ago
-1° C
light snow
Light snow.
46
Strong winds from the WSW
(46 kph at 250).
8.0 km
Low: broken
Mid: overcast
Rio Grande Airport
1247 km NW
102m alt.
2 hours ago
2° C
clear
Dry and partly cloudy.
26
Moderate winds from the W
(26 kph at 280).
10.0 km
Low: scattered
Mid: overcast
Punta Arenas Unidad Aeropolicial
1359 km NW
61m alt.
1 hour ago
-4° C
No report.
Wind obs. (40 kph from 260 degs) was rejected.
Instituto de la Patagonia (Jorge Schytte)
1361 km NW
8m alt.
1 hour ago
-6° C
No report.
22
Moderate winds from the WSW
(22 kph at 250).

* 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.