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

Mount William (Antarctica) Weather Forecast

Trojan Range · Antarctica
Issued: 8 pm Sat 19 Sep Local Time
Updates in:
hr min s
Update imminent

Days 1–4 Weather Summary

A heavy fall of snow, heaviest during Mon morning. Temperatures will be well below freezing (max -8°C on Sun night, min -20°C on Sat night). Winds decreasing (strong winds from the SW on Sun afternoon, light winds from the NNW by Tue morning).

Days 5–7 Weather Summary

A heavy fall of snow, heaviest during Thu afternoon. Temperatures will be well below freezing (max -10°C on Tue night, min -21°C on Fri afternoon). Winds increasing (light winds from the SSE on Tue night, gales from the WSW by Wed afternoon).

Sunday
20
Monday
21
Tuesday
22
Wednesday
23
Thursday
24
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
snow showers
part cloud
part cloud
snow showers
mod snow
mod snow
heavy snow
light snow
cloud
part cloud
light snow
mod snow
light snow
light snow
mod snow
light snow
snow shwrs
some clouds
some clouds
snow shwrs
mod. snow
mod. snow
heavy snow
light snow
cloudy
some clouds
light snow
mod. snow
light snow
light snow
mod. snow
light snow
Cloud base (m)
300
300
300
350
250
250
250
250
500
500
250
200
250
200
200
250
km/h
25
SW
30
SW
30
SW
25
WSW
30
WNW
30
W
35
WSW
10
W
10
NNE
15
SW
25
WSW
30
WSW
30
WSW
20
WNW
65
WSW
30
WSW
Weather map
Weather map
Weather map
Weather map
Weather map
Weather map
Snowflake cm
3
1
10
6
16
1
3
6
4
1
8
5
 mm
max °C
-18
-15
-14
-8
-8
-10
-12
-12
-10
-10
-15
-12
-14
-11
-11
-17
min °C
-20
-16
-14
-13
-9
-11
-15
-15
-10
-15
-17
-16
-16
-12
-15
-20
 chill °C
-31
-27
-24
-25
-18
-22
-24
-22
-14
-25
-28
-28
-27
-20
-29
-32
Freezing level m
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Sea lvl1000m2000m3000m4000m5000m
-21-17-15-13-12-16-17-17-14-15-18-17-18-16-18-22-19-16-14-11-9-11-14-14-10-13-16-14-15-12-13-19-17-15-13-10-5-7-10-11-8-11-13-10-11-8-10-15-14-13-12-8-2-4-6-8-5-10-9-6-8-5-6-11
Sunrise
7:09
7:05
7:01
6:58
6:54
Sunset
7:07
7:10
7:14
7:16
7:20

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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 Mon morning. Temperatures will be well below freezing (max -8°C on Sun night, min -20°C on Sat night). Winds decreasing (strong winds from the SW on Sun afternoon, light winds from the NNW by Tue morning).

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

A heavy fall of snow, heaviest during Thu afternoon. Temperatures will be well below freezing (max -10°C on Tue night, min -21°C on Fri afternoon). Winds increasing (light winds from the SSE on Tue night, gales from the WSW by Wed afternoon).

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
clear
-
Wind obs. (22 kph from 160 degs) was rejected.
0.0 km
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
-6°C
cloudy
Dry and cloudy.
37
Fresh winds from the SW
(37 kph at 230).
10.0 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.
ASCATB315E60S
1110 km ENE
15m alt.
2 hours ago
28
Moderate winds from the WSW
(28 kph at 248).
- km
Puerto Williams
1119 km NW
14m alt.
2 hours ago
5°C
No report.
13
Light winds from the W.(Wind varies from 230 to 300 degs)
(13 kph at 270).
10.0 km
ASCATB316E60S
1126 km ENE
15m alt.
2 hours ago
32
Fresh winds from the WSW
(32 kph at 255).
- km
Ushuaia Naval Base Airport
1143 km NW
204m alt.
2 hours ago
3°C
partially cloudy
Dry and partly cloudy.
35
Fresh winds from the WSW
(35 kph at 250).
10.0 km
Low: scattered
ASCATB314E59S
1179 km ENE
15m alt.
2 hours ago
42
Strong winds from the W
(42 kph at 259).
- km
ASCATB315E59S
1219 km ENE
15m alt.
2 hours ago
33
Fresh winds from the W
(33 kph at 269).
- 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.