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

Mount William (Antarctica)
Weather Forecast, Antarctica

Issued: 2 pm Thu 03 Sep Local Time
Updates in:
hr min s
Update imminent

Days 1–4 Weather Summary

A heavy fall of snow, heaviest during Sun morning. Temperatures will be well below freezing (max -6°C on Fri night, min -20°C on Thu afternoon). Winds increasing (light winds from the SW on Thu afternoon, strong winds from the SW by Fri night).

Days 5–7 Weather Summary

A heavy fall of snow, heaviest during Sun night. Temperatures will be well below freezing (max -8°C on Sun afternoon, min -19°C on Mon morning). Wind will be generally light.

Thu
3
Friday
4
Saturday
5
Sunday
6
Monday
7
Tuesday
8
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
clear
clear
clear
cloud
heavy snow
light snow
light snow
heavy snow
heavy snow
mod snow
heavy snow
light snow
cloud
part cloud
part cloud
clear
clear
clear
clear
clear
cloudy
heavy snow
light snow
light snow
heavy snow
heavy snow
mod. snow
heavy snow
light snow
cloudy
some clouds
some clouds
clear
clear
Cloud base (m)
350
350
350
350
300
350
300
300
250
250
250
250
300
1650
400
500
km/h
10
SW
10
SSW
35
SW
25
WSW
25
NW
40
SW
25
WSW
20
WNW
25
WSW
15
WNW
10
WNW
10
SE
10
E
0
E
5
SW
10
WSW
15
SW
Weather map
Weather map
Weather map
Weather map
Weather map
Weather map
Snowflake cm
21
4
1
13
13
6
17
1
 mm
max °C
-19
-13
-10
-10
-6
-10
-8
-7
-7
-8
-8
-17
-18
-19
-18
-18
-18
min °C
-20
-17
-12
-11
-9
-11
-9
-8
-8
-8
-17
-19
-18
-19
-19
-18
-18
 chill °C
-27
-25
-23
-20
-20
-22
-18
-16
-15
-14
-24
-27
-25
-25
-24
-26
-27
Freezing level m
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Sea lvl1000m2000m3000m4000m5000m
-21-16-11-11-10-13-12-11-12-12-17-21-21-21-21-20-19-20-15-11-11-8-11-9-8-8-8-13-18-18-19-19-18-18-18-17-14-11-5-7-6-5-4-5-10-16-16-18-16-16-17-18-19-17-10-4-4-3-2-1-2-6-13-14-17-14-14-16
Sunrise
8:07
8:03
7:58
7:56
7:52
Sunset
6:17
6:21
6:23
6:27
6:30
6:32

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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 Sun morning. Temperatures will be well below freezing (max -6°C on Fri night, min -20°C on Thu afternoon). Winds increasing (light winds from the SW on Thu afternoon, strong winds from the SW by Fri night).

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

A heavy fall of snow, heaviest during Sun night. Temperatures will be well below freezing (max -8°C on Sun afternoon, min -19°C on Mon morning). Wind will be generally light.

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
-
30
Fresh winds from the SW
(30 kph at 230).
0.0 km
BaseMarambio
344 km E
200m alt.
2 hours ago
-17°C
-
33
Fresh winds from the SW
(33 kph at 230).
35 km
Mid: clear
BaseEsperanza
360 km ENE
24m alt.
2 hours ago
-17°C
-
26
Moderate winds from the SW
(26 kph at 230).
30 km
Mid: few
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.
30 km
Mid: scattered
Teniente R. Marsh Airport
372 km NE
45m alt.
2 hours ago
-13°C
cloudy
Dry and cloudy.
20
Moderate winds from the NE
(20 kph at 40).
10.0 km
Low: broken
Mid: overcast
BaseCarlini
378 km NE
11m alt.
2 hours ago
-13°C
-
20
Moderate winds from the NNE
(20 kph at 20).
30 km
Mid: few
Dinamet
379 km NE
52m alt.
2 hours ago
-3°C
No report.
Wind obs. (22 kph from 300 degs) was rejected.
BaseSanMartin
403 km S
7m alt.
2 hours ago
-28°C
-
Wind obs. (13 kph from 340 degs) was rejected.
40 km
Mid: few
BaseOrcadas
1062 km ENE
8m alt.
2 hours ago
-20°C
-
13
Light winds from the E
(13 kph at 90).
40 km
Mid: mostly cloudy
Puerto Williams
1119 km NW
14m alt.
2 hours ago
4°C
Light rain .
20
Moderate winds from the W
(20 kph at 270).
10.0 km
Low: broken
Mid: overcast

* 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.