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 -7°C on Sat afternoon, min -22°C on Thu night). Winds decreasing (fresh winds from the WSW on Thu morning, light winds from the S by Thu night).

Days 5–7 Weather Summary

Mostly dry. Temperatures will be below freezing (max -5°C on Sun afternoon, min -10°C on Mon night). Wind will be generally light.

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
part cloud
part cloud
clear
clear
clear
clear
clear
clear
part cloud
mod. snow
light snow
snow shwrs
clear
clear
cloudy
some clouds
cloudy
light snow
some clouds
some clouds
some clouds
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
20
WSW
30
WSW
15
S
10
S
15
SW
25
SW
25
SW
20
SW
20
SW
20
SW
10
SW
15
SW
10
SW
15
SW
15
WSW
15
WSW
10
SW
10
SW
10
WSW
Weather map
Weather map
Weather map
Weather map
Weather map
Weather map
Weather map
Snowflake cm
9
4
1
1
 mm
max °C
-10
-13
-20
-18
-16
-14
-11
-8
-7
-6
-6
-5
-5
-7
-7
-9
-10
-10
-10
min °C
-14
-16
-21
-22
-17
-14
-14
-10
-8
-7
-6
-5
-6
-7
-9
-10
-10
-10
-10
 chill °C
-24
-26
-30
-30
-26
-24
-23
-18
-16
-15
-11
-11
-12
-13
-15
-16
-16
-16
-16
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 -7°C on Sat afternoon, min -22°C on Thu night). Winds decreasing (fresh winds from the WSW on Thu morning, light winds from the S by Thu night).

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

Mostly dry. Temperatures will be below freezing (max -5°C on Sun afternoon, min -10°C on Mon night). 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
-16° C
light snow
Light snow.
35
Fresh winds from the S
(35 kph at 180).
0.5 km
Mid: overcast
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
snow showers
Shower moderate snow.
48
Strong winds from the W
(48 kph at 280).
1.2 km
Low: broken
Mid: overcast
Dinamet
379 km NE
52m alt.
2 hours ago
-3° C
No report.
Wind obs. (22 kph from 300 degs) was rejected.
Puerto Williams
1119 km NW
14m alt.
2 hours ago
2° C
No report.
13
Light winds from the W
(13 kph at 270).
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 W
(13 kph at 280).
10.0 km
Low: scattered
Rio Grande Airport
1247 km NW
102m alt.
2 hours ago
clear
Dry and partly cloudy.
9
Light winds from the W
(9 kph at 270).
0.0 km
Low: few
Mid: overcast
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.
Instituto de la Patagonia (Jorge Schytte)
1361 km NW
8m alt.
2 hours ago
-6° C
No report.
22
Moderate winds from the WSW
(22 kph at 250).
1374 km NW
215m alt.
2 hours ago
1° C
clear
-
19
Light winds from the WSW
(19 kph at 250).
10.0 km
Low: few

* 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.