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

Mount William (Antarctica) Weather Forecast

Trojan Range · Antarctica
Issued: 8 pm Sat 12 Sep 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 below freezing (max -5°C on Mon night, min -14°C on Sat night). Winds increasing (calm on Sun afternoon, fresh winds from the SW by Mon night).

Days 5–7 Weather Summary

A heavy fall of snow, heaviest during Tue night. Temperatures will be below freezing (max -5°C on Thu night, min -15°C on Wed afternoon). Winds decreasing (strong winds from the WSW on Tue night, light winds from the WSW by Thu afternoon).

Sunday
13
Monday
14
Tuesday
15
Wednesday
16
Thursday
17
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
part cloud
clear
clear
snow showers
part cloud
part cloud
light snow
light snow
light snow
heavy snow
light snow
snow showers
light snow
part cloud
cloud
mod snow
some clouds
clear
clear
snow shwrs
some clouds
some clouds
light snow
light snow
light snow
heavy snow
light snow
snow shwrs
light snow
some clouds
cloudy
mod. snow
Cloud base (m)
300
350
300
300
300
300
250
250
250
250
300
300
300
300
km/h
5
SE
5
ESE
5
SSW
10
WSW
15
SSW
25
SW
30
WSW
35
SW
35
WSW
35
W
25
WSW
25
WSW
20
SW
25
SW
20
SW
20
WSW
Weather map
Weather map
Weather map
Weather map
Weather map
Weather map
Snowflake cm
1
5
4
4
16
2
1
4
6
 mm
max °C
-12
-9
-9
-12
-7
-7
-5
-5
-6
-7
-12
-14
-15
-12
-10
-5
min °C
-14
-11
-11
-12
-10
-9
-9
-6
-6
-9
-13
-15
-15
-14
-11
-7
 chill °C
-20
-15
-11
-16
-17
-18
-18
-15
-15
-20
-22
-25
-25
-24
-20
-14
Freezing level m
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Sea lvl1000m2000m3000m4000m5000m
-16-15-14-12-6-8-11-11-13-16-19-20-19-17-14-12-14-12-12-12-6-8-9-9-10-12-17-18-19-16-13-9-13-10-10-12-9-8-7-6-6-8-13-15-15-13-11-6-12-9-9-12-11-8-4-2-3-5-9-11-12-11-8-4
Sunrise
7:33
7:30
7:26
7:22
7:20
Sunset
6:47
6:51
6:53
6:55
6:59

Loading...

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 below freezing (max -5°C on Mon night, min -14°C on Sat night). Winds increasing (calm on Sun afternoon, fresh winds from the SW by Mon night).

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

A heavy fall of snow, heaviest during Tue night. Temperatures will be below freezing (max -5°C on Thu night, min -15°C on Wed afternoon). Winds decreasing (strong winds from the WSW on Tue night, light winds from the WSW by Thu afternoon).

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
-15°C
moderate snow
Small hail/snow pellets.
19
Light winds from the SE
(19 kph at 140).
3.0 km
Low: scattered
Mid: overcast
Centro Met. Antártico Presidente Eduardo Frei
372 km NE
48m alt.
3 hours ago
-4°C
No report.
Wind obs. (115 kph from 270 degs) was rejected.
Teniente R. Marsh Airport
372 km NE
45m alt.
3 hours ago
-6°C
cloudy
Dry and cloudy.
4
Calm
(4 kph at 1).
10.0 km
Low: overcast
Dinamet
379 km NE
52m alt.
3 hours ago
-3°C
No report.
22
Moderate winds from the WNW
(22 kph at 300).
ASCATB304E62S
516 km NE
15m alt.
2 hours ago
16
Light winds from the NW
(16 kph at 309).
- km
ASCATB304E61S
627 km NE
15m alt.
2 hours ago
13
Light winds from the N
(13 kph at 358).
- km
ASCATB305E61S
663 km NE
15m alt.
2 hours ago
18
Light winds from the NNW
(18 kph at 347).
- km
ASCATB306E61S
682 km NE
15m alt.
2 hours ago
23
Moderate winds from the N
(23 kph at 6).
- km
ASCATB303E60S
689 km NE
15m alt.
2 hours ago
18
Light winds from the NNE
(18 kph at 15).
- km
ASCATB304E60S
718 km NE
15m alt.
2 hours ago
12
Light winds from the NNE
(12 kph at 32).
- 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.