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

Mount William (Antarctica)
Weather Forecast, Antarctica

Issued: 2 pm Sat 18 Jul Local Time
Updates in:
hr min s
Update imminent

Days 1–4 Weather Summary

A light covering of new snow mostly falling on Sat afternoon. Extremely cold (max -12°C on Mon night, min -22°C on Sun morning). 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 -6°C on Fri morning, min -12°C on Tue night). Winds increasing (light winds from the SSW on Wed morning, gales from the WSW by Thu night).

Sat
18
Sunday
19
Monday
20
Tuesday
21
Wednesday
22
Thursday
23
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
light snow
snow showers
clear
clear
part cloud
part cloud
part cloud
snow showers
part cloud
clear
snow showers
part cloud
part cloud
light snow
mod snow
mod snow
mod snow
light snow
snow shwrs
clear
clear
some clouds
some clouds
some clouds
snow shwrs
some clouds
clear
snow shwrs
some clouds
some clouds
light snow
mod. snow
mod. snow
mod. snow
Cloud base (m)
300
300
550
350
300
300
300
300
300
300
300
300
300
300
300
300
km/h
15
NW
10
SSW
5
SSE
5
SSW
10
WSW
20
SW
10
SSW
15
SW
15
S
20
SSW
20
WSW
15
SSW
20
WSW
25
SW
30
SW
45
WSW
50
WSW
Weather map
Weather map
Weather map
Weather map
Weather map
Weather map
Snowflake cm
2
2
1
1
3
6
8
8
 mm
max °C
-13
-16
-21
-20
-17
-14
-13
-12
-12
-11
-11
-10
-10
-9
-7
-7
-7
min °C
-14
-21
-22
-20
-19
-17
-13
-14
-12
-11
-12
-11
-11
-11
-8
-7
-9
 chill °C
-22
-26
-22
-20
-24
-27
-19
-23
-19
-20
-19
-17
-19
-20
-17
-17
-19
Freezing level m
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Sea lvl1000m2000m3000m4000m5000m
-21-24-24-22-19-16-12-15-13-13-15-12-13-14-14-15-16-17-21-23-21-19-16-11-13-11-11-13-10-11-13-11-11-12-14-19-22-20-18-16-13-13-12-11-12-11-11-10-8-7-8-10-17-20-19-17-16-16-13-13-12-10-12-10-8-4-3-4
Sunrise
10:41
10:38
10:36
10:33
10:30
Sunset
3:56
4:00
4:02
4:06
4:08
4:12

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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 Sat afternoon. Extremely cold (max -12°C on Mon night, min -22°C on Sun morning). 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 -6°C on Fri morning, min -12°C on Tue night). Winds increasing (light winds from the SSW on Wed morning, gales from the WSW 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
-13° C
partially cloudy
Dry and partly cloudy.
44
Strong winds from the SSE
(44 kph at 150).
10.0 km
Low: few
Mid: broken
Centro Met. Antártico Presidente Eduardo Frei
372 km NE
48m alt.
1 hour ago
-4° C
No report.
Wind obs. (115 kph from 270 degs) was rejected.
Teniente R. Marsh Airport
372 km NE
45m alt.
2 hours ago
0° C
moderate snow
Low drifting moderate snow.
57
Near gales from the WNW
(57 kph at 300).
3.0 km
Low: overcast
Dinamet
379 km NE
52m alt.
1 hour ago
-3° C
No report.
22
Moderate winds from the WNW
(22 kph at 300).
1119 km NW
14m alt.
1 hour ago
-1° C
No report.
Wind obs. (43 kph from 260 degs) was rejected.
Puerto Williams
1119 km NW
14m alt.
2 hours ago
-2° C
Dry and partly cloudy.
17
Light winds from the WNW.(Wind varies from 260 to 320 degs)
(17 kph at 290).
10.0 km
Low: no cloud
Ushuaia Naval Base Airport
1143 km NW
204m alt.
2 hours ago
clear
-
2
Calm
(2 kph at 1).
0.0 km
Rio Grande Airport
1247 km NW
102m alt.
2 hours ago
clear
Dry and partly cloudy.
6
Light winds from the WSW
(6 kph at 250).
0.0 km
Low: few
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.
Wind obs. (22 kph from 250 degs) was rejected.

* 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.