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

Mount William (Antarctica) Weather Forecast

Trojan Range · Antarctica
Issued: 2 am Sat 26 Sep Local Time
Updates in:
hr min s
Update imminent 

Days 1–3 Weather Summary

A heavy fall of snow, heaviest during Sat afternoon. Temperatures will be below freezing (max -2°C on Mon night, min -12°C on Sat morning). Winds decreasing (strong winds from the WSW on Sat afternoon, light winds from the W by Sun morning).

Days 4–6 Weather Summary

A moderate fall of snow, heaviest on Tue morning. Temperatures will be below freezing (max -3°C on Tue morning, min -10°C on Wed night). Winds decreasing (strong winds from the WSW on Tue afternoon, calm by Wed morning).

Saturday
26
Sunday
27
Monday
28
Tuesday
29
Wednesday
30
Thursday
1
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
light snow
mod snow
snow showers
light snow
light snow
snow showers
clear
part cloud
mod snow
mod snow
light snow
snow showers
clear
part cloud
part cloud
clear
part cloud
part cloud
light snow
mod. snow
snow shwrs
light snow
light snow
snow shwrs
clear
some clouds
mod. snow
mod. snow
light snow
snow shwrs
clear
some clouds
some clouds
clear
some clouds
some clouds
Cloud base (m)
450
300
350
600
400
300
400
400
350
300
300
350
350
350
350
km/h
20
WSW
30
WNW
25
WSW
10
W
35
WSW
35
SW
20
SW
20
WSW
25
W
25
W
40
W
15
SW
0
ENE
5
WSW
5
WSW
15
SSW
10
SW
10
SW
Weather map
Weather map
Weather map
Weather map
Weather map
Weather map
Snowflake cm
1
7
2
2
4
2
—
—
8
6
5
3
—
—
—
—
—
—
 mm
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
max °C
-8
-5
-11
-6
-4
-6
-7
-7
-2
-3
-4
-7
-6
-5
-9
-6
-6
-7
min °C
-12
-6
-12
-11
-4
-9
-9
-7
-4
-3
-4
-9
-8
-7
-10
-7
-7
-7
 chill °C
-20
-14
-21
-17
-12
-18
-17
-14
-9
-10
-13
-15
-8
-7
-14
-13
-13
-13
Freezing level m
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Sea lvl1000m2000m3000m4000m5000m
-15-13-17-14-11-13-10-10-8-9-11-12-9-8-8-5-5-6-12-9-15-12-8-11-9-9-6-6-8-11-8-7-8-6-5-6-10-6-12-9-4-8-8-7-3-3-4-8-7-6-10-7-7-7-9-2-8-6-1-5-7-5-1-1-1-7-6-6-11-9-8-9
Sunrise
6:47
—
—
6:43
—
—
6:39
—
—
6:35
—
—
6:31
—
—
6:28
—
—
Sunset
—
7:25
—
—
7:29
—
—
7:31
—
—
7:35
—
—
7:37
—
—
7:40
—

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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 Sat afternoon. Temperatures will be below freezing (max -2°C on Mon night, min -12°C on Sat morning). Winds decreasing (strong winds from the WSW on Sat afternoon, light winds from the W by Sun morning).

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

A moderate fall of snow, heaviest on Tue morning. Temperatures will be below freezing (max -3°C on Tue morning, min -10°C on Wed night). Winds decreasing (strong winds from the WSW on Tue afternoon, calm by Wed morning).

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.
3 hours ago
clear
-
11
Light winds from the W
(11 kph at 270).
0.0 km
Teniente R. Marsh Airport
372 km NE
45m alt.
3 hours ago
-8°C
partially cloudy
Dry and partly cloudy.
46
Strong winds from the WSW
(46 kph at 250).
10.0 km
Low: broken
Dinamet
379 km NE
52m alt.
3 hours 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
3°C
No report.
7
Light winds from the SW
(7 kph at 220).
10.0 km
UshuaiaAero
1137 km NW
57m alt.
1 hour ago
3°C
-
Wind obs. (19 kph from 230 degs) was rejected.
50 km
Mid: scattered
Ushuaia Naval Base Airport
1143 km NW
204m alt.
2 hours ago
3°C
partially cloudy
Dry and partly cloudy.
19
Light winds from the WSW
(19 kph at 250).
10.0 km
Low: broken
Rio Grande Airport
1247 km NW
102m alt.
1 hour ago
3°C
partially cloudy
Dry and partly cloudy.
2
Calm
(2 kph at 270).
50 km
Low: broken
Mid: overcast
ASCATC268E66S
1329 km SW
15m alt.
3 hours ago
45
Strong winds from the WSW
(45 kph at 244).
- km
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.

* 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.