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

Mount William (Antarctica)
Weather Forecast, Antarctica

Issued: 2 pm Sun 30 Aug Local Time
Updates in:
hr min s
Update imminent

Days 1–4 Weather Summary

A moderate fall of snow, heaviest on Mon night. Temperatures will be well below freezing (max -9°C on Sun afternoon, min -26°C on Tue afternoon). Wind will be generally light.

Days 5–7 Weather Summary

A light covering of new snow mostly falling on Sat morning. Temperatures will be below freezing (max -4°C on Fri night, min -21°C on Wed afternoon). Winds increasing (light winds from the SW on Thu morning, fresh winds from the W by Sat morning).

Sun
30
Monday
31
Tuesday
1
Wednesday
2
Thursday
3
Friday
4
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
part cloud
part cloud
part cloud
light snow
light snow
light snow
snow showers
clear
clear
clear
clear
clear
clear
clear
clear
clear
light snow
some clouds
some clouds
some clouds
light snow
light snow
light snow
snow shwrs
clear
clear
clear
clear
clear
clear
clear
clear
clear
light snow
Cloud base (m)
300
350
250
250
250
550
300
300
350
350
350
400
400
km/h
25
WSW
15
WNW
15
WNW
25
NW
15
WNW
15
W
25
SW
20
S
10
SSE
15
SW
15
SW
5
SW
15
SW
10
SSW
20
SW
30
SW
20
WNW
Weather map
Weather map
Weather map
Weather map
Weather map
Weather map
Snowflake cm
3
5
1
1
2
 mm
max °C
-9
-10
-12
-13
-14
-24
-25
-22
-21
-20
-20
-19
-19
-16
-12
-12
-4
min °C
-10
-12
-12
-13
-23
-24
-26
-26
-21
-21
-21
-20
-19
-18
-14
-12
-10
 chill °C
-18
-19
-19
-22
-33
-34
-39
-39
-29
-31
-30
-26
-28
-24
-23
-22
-17
Freezing level m
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Sea lvl1000m2000m3000m4000m5000m
-11-13-15-17-22-27-30-26-23-23-23-21-21-17-13-12-9-10-11-12-13-19-24-26-24-21-21-21-20-19-17-13-12-7-9-11-10-10-15-21-22-23-20-19-21-19-18-18-15-14-7-9-11-9-6-12-17-19-22-20-18-20-18-17-20-18-15-7
Sunrise
8:21
8:17
8:14
8:10
8:07
Sunset
6:06
6:08
6:12
6:15
6:17
6:21

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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 Mon night. Temperatures will be well below freezing (max -9°C on Sun afternoon, min -26°C on Tue afternoon). Wind will be generally light.

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

A light covering of new snow mostly falling on Sat morning. Temperatures will be below freezing (max -4°C on Fri night, min -21°C on Wed afternoon). Winds increasing (light winds from the SW on Thu morning, fresh winds from the W by Sat 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.
3 hours ago
clear
-
Wind obs. (31 kph from 310 degs) was rejected.
0.0 km
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
-3°C
partially cloudy
Dry and partly cloudy.
39
Strong winds from the W
(39 kph at 270).
10.0 km
Low: broken
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.
3 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
7°C
No report.
Wind obs. (20 kph from 290 degs) was rejected.
10.0 km
Ushuaia Naval Base Airport
1143 km NW
204m alt.
2 hours ago
7°C
clear
Shower - in the vicinity.
17
Light winds from the NNE.(Wind varies from 350 to 050 degs)
(17 kph at 20).
10.0 km
Low: broken
Rio Grande Airport
1247 km NW
102m alt.
2 hours ago
4°C
clear
Light rain .
9
Light winds from the NNE
(9 kph at 30).
2.0 km
Low: overcast
Mid: overcast
High: overcast
Punta Arenas Unidad Aeropolicial
1359 km NW
61m alt.
3 hours 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.
3 hours 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.