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

Mount William (Antarctica) Weather Forecast

Trojan Range · Antarctica
Issued: 2 pm Mon 21 Sep Local Time
Updates in:
hr min s
Update imminent

Days 1–4 Weather Summary

A heavy fall of snow, heaviest during Mon afternoon. Extremely cold (max -11°C on Mon afternoon, min -17°C on Wed morning). Winds decreasing (strong winds from the W on Mon afternoon, light winds from the ESE by Tue afternoon).

Days 5–7 Weather Summary

A heavy fall of snow, heaviest during Sat night. Temperatures will be well below freezing (max -8°C on Sat night, min -19°C on Fri afternoon). Winds decreasing (near gales from the WSW on Fri morning, moderate winds from the WNW by Sat afternoon).

Mon
21
Tuesday
22
Wednesday
23
Thursday
24
Friday
25
Saturday
26
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
light snow
mod snow
cloud
light snow
part cloud
light snow
light snow
mod snow
snow showers
light snow
heavy snow
heavy snow
light snow
snow showers
light snow
light snow
heavy snow
light snow
mod. snow
cloudy
light snow
some clouds
light snow
light snow
mod. snow
snow shwrs
light snow
heavy snow
heavy snow
light snow
snow shwrs
light snow
light snow
heavy snow
Cloud base (m)
250
250
300
400
300
250
200
250
250
250
250
200
300
300
500
300
250
km/h
45
W
30
WSW
10
NNW
15
NE
15
S
20
WSW
25
WSW
35
WSW
15
WSW
45
WSW
25
W
60
WSW
35
SW
30
SW
25
W
20
WNW
40
NW
Weather map
Weather map
Weather map
Weather map
Weather map
Weather map
Snowflake cm
5
8
2
1
3
8
1
4
12
12
2
1
1
3
25
 mm
max °C
-11
-14
-12
-11
-12
-15
-13
-12
-11
-11
-10
-10
-17
-13
-9
-10
-8
min °C
-12
-14
-13
-11
-15
-17
-17
-15
-12
-12
-13
-15
-19
-19
-11
-10
-15
 chill °C
-24
-26
-18
-17
-25
-27
-28
-26
-20
-24
-23
-29
-31
-31
-20
-18
-28
Freezing level m
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Sea lvl1000m2000m3000m4000m5000m
-17-18-16-14-16-17-18-17-16-15-16-17-21-17-13-13-15-12-14-13-11-14-16-15-14-12-12-12-13-18-16-10-10-12-8-11-10-8-12-13-12-10-9-8-8-9-14-14-8-6-8-4-7-7-6-11-10-9-7-6-4-5-5-10-13-5-3-5
Sunrise
7:01
6:58
6:54
6:50
6:47
Sunset
7:10
7:14
7:16
7:20
7:22
7:25

Loading...

Mount William (Antarctica) Weather (Days 0-3):

The weather forecast for Mount William (Antarctica) is: A heavy fall of snow, heaviest during Mon afternoon. Extremely cold (max -11°C on Mon afternoon, min -17°C on Wed morning). Winds decreasing (strong winds from the W on Mon afternoon, light winds from the ESE by Tue afternoon).

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

A heavy fall of snow, heaviest during Sat night. Temperatures will be well below freezing (max -8°C on Sat night, min -19°C on Fri afternoon). Winds decreasing (near gales from the WSW on Fri morning, moderate winds from the WNW by Sat 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
Captain Arturo Prat Base
323 km NE
111m alt.
4 hours ago
0°C
light snow
Continuous light snow.
37
Fresh winds from the WNW
(37 kph at 300).
1.0 km
Mid: overcast
Marambio Airport (Seymour Island)
340 km E
232m alt.
3 hours ago
-3°C
cloudy
Dry and cloudy.
Wind obs. (37 kph from 290 degs) was rejected.
10.0 km
Low: few
Mid: broken
High: overcast
BaseMarambio
344 km E
200m alt.
3 hours ago
-3°C
-
33
Fresh winds from the WNW
(33 kph at 290).
35 km
Mid: overcast
BaseEsperanza
360 km ENE
24m alt.
4 hours ago
0°C
-
37
Fresh winds from the W
(37 kph at 270).
30 km
Mid: overcast
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.
3 hours ago
-1°C
clear
Mist -.
61
Near gales from the W
(61 kph at 280).
1.0 km
Low: overcast
BaseCarlini
378 km NE
11m alt.
4 hours ago
-1°C
light snow
Continuous light snow.
59
Near gales from the WNW
(59 kph at 290).
2.0 km
Mid: overcast
Dinamet
379 km NE
52m alt.
1 hour ago
-3°C
No report.
22
Moderate winds from the WNW
(22 kph at 300).
BaseSanMartin
403 km S
7m alt.
4 hours ago
-5°C
moderate snow
Continuous moderate snow.
31
Fresh winds from the NW
(31 kph at 320).
3.0 km
Mid: overcast
hy2c306E60S
732 km NE
15m alt.
3 hours ago
50
Strong winds from the WNW
(50 kph at 282).
- 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.