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

Mount William (Antarctica)
Weather Forecast, Antarctica

Issued: 2 pm Fri 17 Jul Local Time
Updates in:
hr min s
Update imminent

Days 1–4 Weather Summary

A heavy fall of snow, heaviest during Fri afternoon. Temperatures will be below freezing (max -5°C on Fri afternoon, min -20°C on Sun morning). Winds decreasing (fresh winds from the WNW on Fri night, calm by Sun afternoon).

Days 5–7 Weather Summary

A dusting of new snow. Temperatures will be well below freezing (max -8°C on Thu morning, min -14°C on Mon afternoon). Wind will be generally light.

Fri
17
Saturday
18
Sunday
19
Monday
20
Tuesday
21
Wednesday
22
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
mod snow
heavy snow
snow showers
cloud
light snow
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
snow showers
clear
light snow
part cloud
clear
clear
mod. snow
heavy snow
snow shwrs
cloudy
light snow
some clouds
some clouds
some clouds
some clouds
some clouds
some clouds
snow shwrs
clear
light snow
some clouds
clear
clear
Cloud base (m)
250
250
400
300
300
350
400
300
300
300
300
300
300
300
300
300
km/h
25
WNW
20
W
15
W
10
NNW
5
S
5
ENE
5
NNW
5
W
15
SW
10
S
15
SW
15
S
15
S
15
WSW
10
S
5
SW
5
W
Weather map
Weather map
Weather map
Weather map
Weather map
Weather map
Snowflake cm
8
13
1
2
1
1
 mm
max °C
-5
-6
-10
-13
-14
-20
-19
-18
-15
-13
-12
-13
-11
-11
-11
-10
-10
min °C
-6
-7
-13
-13
-19
-20
-19
-20
-18
-14
-14
-14
-12
-12
-12
-11
-12
 chill °C
-13
-14
-19
-20
-23
-24
-19
-20
-27
-19
-22
-21
-18
-19
-18
-15
-18
Freezing level m
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Sea lvl1000m2000m3000m4000m5000m
-13-14-18-20-22-23-22-20-17-12-14-17-15-16-14-13-13-9-10-15-16-19-21-21-20-16-11-13-14-12-13-11-11-11-6-7-12-13-17-20-19-19-17-14-13-14-12-12-12-11-11-3-3-10-11-15-19-18-18-17-16-13-13-12-10-12-11-11
Sunrise
10:44
10:41
10:38
10:36
10:33
Sunset
3:53
3:56
4:00
4:02
4:06
4:08

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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 Fri afternoon. Temperatures will be below freezing (max -5°C on Fri afternoon, min -20°C on Sun morning). Winds decreasing (fresh winds from the WNW on Fri night, calm by Sun afternoon).

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

A dusting of new snow. Temperatures will be well below freezing (max -8°C on Thu morning, min -14°C on Mon afternoon). Wind will be generally light.

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
clear
-
26
Moderate winds from the NW
(26 kph at 310).
0.0 km
Centro Met. Antártico Presidente Eduardo Frei
372 km NE
48m alt.
2 hours 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
-4° C
cloudy
Dry and cloudy.
50
Strong winds from the WNW
(50 kph at 290).
10.0 km
Low: broken
Mid: overcast
Dinamet
379 km NE
52m alt.
2 hours ago
-3° C
No report.
22
Moderate winds from the WNW
(22 kph at 300).
1119 km NW
14m alt.
2 hours ago
-1° C
No report.
Wind obs. (43 kph from 260 degs) was rejected.
Puerto Williams
1119 km NW
14m alt.
2 hours ago
0° C
Dry and partly cloudy.
17
Light winds from the W.(Wind varies from 240 to 300 degs)
(17 kph at 270).
10.0 km
Low: few
Mid: scattered
Ushuaia Naval Base Airport
1143 km NW
204m alt.
2 hours ago
-1° C
clear
-
9
Light winds from the W.(Wind varies from 250 to 310 degs)
(9 kph at 270).
10.0 km
Low: few
Rio Grande Airport
1247 km NW
102m alt.
2 hours ago
clear
Dry and partly cloudy.
13
Light winds from the SW
(13 kph at 220).
0.0 km
Low: few
Mid: overcast
1338 km NW
42m alt.
2 hours ago
0° C
clear
-
11
Light winds from the E
(11 kph at 100).
10.0 km
Low: few
Punta Arenas Unidad Aeropolicial
1359 km NW
61m alt.
2 hours ago
-4° C
No report.
Wind obs. (40 kph from 260 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.