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

Mount William (Antarctica)
Weather Forecast, Antarctica

Issued: 8 pm Sat 18 Jul Local Time
Updates in:
hr min s
Update imminent

Days 1–4 Weather Summary

A dusting of new snow. Temperatures will be well below freezing (max -10°C on Mon afternoon, min -23°C on Sun morning). Winds increasing (calm on Sun afternoon, strong winds from the SSW by Tue afternoon).

Days 5–7 Weather Summary

A heavy fall of snow, heaviest during Thu night. Temperatures will be well below freezing (max -8°C on Wed afternoon, min -13°C on Tue night). Winds increasing (light winds from the S on Tue night, severe gales from the WSW by Fri morning).

Sunday
19
Monday
20
Tuesday
21
Wednesday
22
Thursday
23
Friday
24
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
snow showers
clear
clear
clear
part cloud
clear
part cloud
part cloud
clear
part cloud
clear
part cloud
light snow
light snow
heavy snow
heavy snow
heavy snow
heavy snow
heavy snow
snow shwrs
clear
clear
clear
some clouds
clear
some clouds
some clouds
clear
some clouds
clear
some clouds
light snow
light snow
heavy snow
heavy snow
heavy snow
heavy snow
heavy snow
Cloud base (m)
300
400
350
300
300
300
300
300
300
300
300
300
300
300
300
250
250
250
km/h
10
SW
5
S
5
SSW
15
WSW
35
SW
20
S
35
SW
20
S
20
SW
20
WSW
20
SSW
30
SW
45
SW
55
SW
55
SW
60
WSW
80
W
45
WSW
20
W
Weather map
Weather map
Weather map
Weather map
Weather map
Weather map
Weather map
Snowflake cm
2
3
3
12
28
12
11
11
 mm
max °C
-19
-22
-20
-18
-13
-10
-11
-10
-11
-9
-9
-8
-12
-10
-11
-11
-10
-11
-10
min °C
-22
-23
-21
-19
-18
-10
-15
-11
-12
-13
-10
-10
-13
-11
-11
-11
-11
-11
-15
 chill °C
-31
-29
-25
-27
-31
-17
-26
-19
-20
-22
-18
-20
-24
-24
-24
-24
-25
-23
-25
Freezing level m
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Sea lvl1000m2000m3000m4000m5000m
-23-24-22-19-16-12-15-13-14-14-12-11-13-13-14-15-15-16-17-21-23-21-19-16-10-13-11-12-11-10-9-13-11-11-11-11-11-13-18-21-20-19-16-13-14-12-12-11-11-10-10-8-7-7-7-8-10-16-20-19-18-16-16-13-14-12-11-13-11-8-4-3-4-3-4-7
Sunrise
10:41
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: A dusting of new snow. Temperatures will be well below freezing (max -10°C on Mon afternoon, min -23°C on Sun morning). Winds increasing (calm on Sun afternoon, strong winds from the SSW by Tue afternoon).

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

A heavy fall of snow, heaviest during Thu night. Temperatures will be well below freezing (max -8°C on Wed afternoon, min -13°C on Tue night). Winds increasing (light winds from the S on Tue night, severe gales from the WSW by Fri morning).

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
-23° C
moderate snow
Low drifting moderate snow.
69
Gales from the S
(69 kph at 180).
0.0 km
Low: no significant cloud
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
-1° C
moderate snow
Low drifting moderate snow.
41
Strong winds from the NW
(41 kph at 310).
1.2 km
Low: overcast
Dinamet
379 km NE
52m alt.
2 hours ago
-3° C
No report.
Wind obs. (22 kph from 300 degs) was rejected.
ASCATB315E61S
1022 km ENE
15m alt.
2 hours ago
39
Strong winds from the WNW
(39 kph at 290).
- km
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
-6° C
Dry and partly cloudy.
6
Light winds from the SW
(6 kph at 220).
10.0 km
Low: no cloud
Ushuaia Naval Base Airport
1143 km NW
204m alt.
2 hours ago
-6° C
clear
-
6
Light winds from the NNW.(Wind varies from 260 to 360 degs)
(6 kph at 340).
10.0 km
Low: few
ASCATB315E60S
1144 km ENE
15m alt.
2 hours ago
45
Strong winds from the WNW
(45 kph at 298).
- km
ASCATB316E60S
1165 km ENE
15m alt.
2 hours ago
46
Strong winds from the WNW
(46 kph at 298).
- km

* 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.