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

Mount William (Antarctica)
Weather Forecast, Antarctica

Issued: 8 pm Wed 29 Jul Local Time
Updates in:
hr min s
Update imminent

Days 1–4 Weather Summary

A moderate fall of snow, heaviest on Wed night. Temperatures will be well below freezing (max -9°C on Sat afternoon, min -21°C on Thu afternoon). Winds increasing (light winds from the S on Thu night, near gales from the SW by Fri afternoon).

Days 5–7 Weather Summary

Mostly dry. Temperatures will be below freezing (max -3°C on Sun afternoon, min -9°C on Sat night). Mainly strong winds.

Thursday
30
Friday
31
Saturday
1
Sunday
2
Monday
3
Tuesday
4
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
mod snow
light snow
snow showers
clear
clear
cloud
part cloud
cloud
light snow
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
mod. snow
light snow
snow shwrs
clear
clear
cloudy
some clouds
cloudy
light snow
some clouds
clear
clear
clear
clear
clear
clear
clear
clear
some clouds
Cloud base (m)
300
250
350
350
350
350
350
350
350
350
350
350
400
400
350
350
350
km/h
25
WSW
40
WSW
25
S
20
S
30
SW
50
SW
50
SW
45
SW
40
SW
40
SW
20
SSW
30
SSW
25
SW
35
SW
30
SW
25
SW
25
SW
25
SW
25
SW
Weather map
Weather map
Weather map
Weather map
Weather map
Weather map
Weather map
Snowflake cm
9
4
1
1
 mm
max °C
-13
-17
-21
-17
-15
-13
-11
-10
-9
-6
-4
-3
-3
-5
-6
-7
-8
-8
-8
min °C
-18
-19
-21
-21
-16
-14
-15
-11
-10
-9
-5
-4
-5
-5
-7
-8
-8
-9
-9
 chill °C
-31
-31
-33
-32
-27
-28
-28
-23
-21
-20
-11
-12
-13
-14
-16
-16
-16
-17
-18
Freezing level m
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Sea lvl1000m2000m3000m4000m5000m
-19-22-24-20-16-14-15-13-12-9-5-4-4-5-6-8-8-8-9-16-18-21-19-16-14-13-11-10-8-5-4-4-5-7-8-8-9-9-12-15-21-20-17-14-13-9-8-7-6-5-6-7-8-10-10-10-10-8-11-21-20-17-15-11-8-6-6-8-7-8-9-10-11-12-12-12
Sunrise
10:08
10:06
10:03
10:00
9:56
9:53
Sunset
4:32
4:36
4:38
4:42
4:45
4:47

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

The weather forecast for Mount William (Antarctica) is: A moderate fall of snow, heaviest on Wed night. Temperatures will be well below freezing (max -9°C on Sat afternoon, min -21°C on Thu afternoon). Winds increasing (light winds from the S on Thu night, near gales from the SW by Fri afternoon).

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

Mostly dry. Temperatures will be below freezing (max -3°C on Sun afternoon, min -9°C on Sat night). Mainly strong winds.

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
Marambio Airport (Seymour Island)
340 km E
232m alt.
2 hours ago
-14° C
cloudy
Dry and cloudy.
17
Light winds from the SSE
(17 kph at 160).
8.0 km
Low: overcast
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
-4° C
snow showers
Shower light snow.
48
Strong winds from the W
(48 kph at 270).
4.0 km
Low: broken
Mid: overcast
Dinamet
379 km NE
52m alt.
1 hour ago
-3° C
No report.
Wind obs. (22 kph from 300 degs) was rejected.
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
No report.
13
Light winds from the WSW
(13 kph at 250).
10.0 km
Ushuaia Naval Base Airport
1143 km NW
204m alt.
2 hours ago
-1° C
partially cloudy
Dry and partly cloudy.
13
Light winds from the WNW
(13 kph at 290).
10.0 km
Low: scattered
Rio Grande Airport
1247 km NW
102m alt.
2 hours ago
clear
Dry and partly cloudy.
11
Light winds from the W
(11 kph at 280).
0.0 km
Low: few
Mid: overcast
1338 km NW
42m alt.
3 hours ago
0° C
clear
-
9
Light winds from the W
(9 kph at 260).
10.0 km
Low: few
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.

* 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.