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

Mount William (Antarctica)
Weather Forecast, Antarctica

Issued: 2 pm Wed 02 Sep Local Time
Updates in:
hr min s
Update imminent

Days 1–4 Weather Summary

A heavy fall of snow, heaviest during Fri night. Temperatures will be well below freezing (max -6°C on Fri night, min -23°C on Wed afternoon). Winds increasing (light winds from the SSW on Thu morning, fresh winds from the WSW by Fri night).

Days 5–7 Weather Summary

A heavy fall of snow, heaviest during Sat night. Temperatures will be well below freezing (max -6°C on Sat night, min -20°C on Mon night). Winds decreasing (strong winds from the WNW on Sat night, calm by Mon afternoon).

Wed
2
Thursday
3
Friday
4
Saturday
5
Sunday
6
Monday
7
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
part cloud
cloud
part cloud
clear
clear
clear
cloud
heavy snow
light snow
light snow
heavy snow
mod snow
mod snow
snow showers
part cloud
clear
snow showers
some clouds
cloudy
some clouds
clear
clear
clear
cloudy
heavy snow
light snow
light snow
heavy snow
mod. snow
mod. snow
snow shwrs
some clouds
clear
snow shwrs
Cloud base (m)
300
300
300
350
350
350
300
300
300
250
250
200
200
3850
4700
1450
km/h
15
SW
15
SW
10
SW
5
SSW
15
SSW
30
SSW
25
WSW
25
NW
30
WSW
30
W
35
W
20
WNW
25
NW
15
ESE
25
SE
5
SSE
10
NNW
Weather map
Weather map
Weather map
Weather map
Weather map
Weather map
Snowflake cm
26
3
3
35
9
10
1
1
 mm
max °C
-23
-22
-20
-18
-12
-9
-9
-6
-8
-7
-6
-7
-8
-12
-15
-15
-17
min °C
-23
-23
-22
-19
-17
-10
-9
-7
-8
-8
-7
-8
-11
-15
-16
-16
-20
 chill °C
-33
-34
-29
-24
-26
-20
-18
-16
-17
-17
-17
-16
-21
-24
-27
-16
-27
Freezing level m
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Sea lvl1000m2000m3000m4000m5000m
-25-25-23-21-15-9-10-9-11-11-11-12-14-18-17-17-20-23-23-21-19-15-10-9-7-8-8-7-8-10-14-16-16-19-21-21-20-18-17-13-10-5-5-5-4-4-6-13-15-14-17-18-20-19-18-19-17-10-3-2-2-1-1-3-11-14-13-14
Sunrise
8:10
8:07
8:03
7:58
7:56
Sunset
6:15
6:17
6:21
6:23
6:27
6:30

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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 Fri night. Temperatures will be well below freezing (max -6°C on Fri night, min -23°C on Wed afternoon). Winds increasing (light winds from the SSW on Thu morning, fresh winds from the WSW by Fri night).

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

A heavy fall of snow, heaviest during Sat night. Temperatures will be well below freezing (max -6°C on Sat night, min -20°C on Mon night). Winds decreasing (strong winds from the WNW on Sat night, calm by Mon 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
-
44
Strong winds from the SW
(44 kph at 230).
0.0 km
BaseMarambio
344 km E
200m alt.
1 hour ago
-24°C
-
52
Near gales from the SW
(52 kph at 230).
35 km
Mid: few
BaseEsperanza
360 km ENE
24m alt.
1 hour ago
-20°C
-
44
Strong winds from the S
(44 kph at 180).
30 km
Mid: scattered
Centro Met. Antártico Presidente Eduardo Frei
372 km NE
48m alt.
52 minutes ago
-
Wind obs. (115 kph from 270 degs) was rejected.
Teniente R. Marsh Airport
372 km NE
45m alt.
2 hours ago
-12°C
snow showers
Shower light snow.
17
Light winds from the NNE
(17 kph at 30).
5.0 km
Low: overcast
BaseCarlini
378 km NE
11m alt.
1 hour ago
-11°C
Mist
26
Moderate winds from the NNW
(26 kph at 340).
26 km
Mid: mostly cloudy
Dinamet
379 km NE
52m alt.
52 minutes ago
-
22
Moderate winds from the WNW
(22 kph at 300).
BaseSanMartin
403 km S
7m alt.
1 hour ago
-26°C
-
Wind obs. (6 kph from 360 degs) was rejected.
40 km
Mid: few
BaseOrcadas
1062 km ENE
8m alt.
1 hour ago
-21°C
light snow
Continuous light snow.
31
Fresh winds from the SSE
(31 kph at 160).
1.5 km
Mid: overcast
1119 km NW
14m alt.
1 hour ago
-1°C
No report.
Wind obs. (43 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.