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

Mount William (Antarctica)
Weather Forecast, Antarctica

Issued: 2 pm Thu 20 Aug Local Time
Updates in:
hr min s
Update imminent

Days 1–4 Weather Summary

A light covering of new snow mostly falling on Thu night. Temperatures will be below freezing (max -5°C on Sun morning, min -11°C on Thu afternoon). Winds decreasing (strong winds from the SW on Thu night, calm by Sat night).

Days 5–7 Weather Summary

A dusting of new snow. Temperatures will be below freezing (max -1°C on Wed morning, min -7°C on Sun night). Wind will be generally light.

Thu
20
Friday
21
Saturday
22
Sunday
23
Monday
24
Tuesday
25
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
part cloud
mod snow
part cloud
clear
clear
part cloud
part cloud
part cloud
part cloud
cloud
cloud
cloud
cloud
snow showers
cloud
cloud
cloud
some clouds
mod. snow
some clouds
clear
clear
some clouds
some clouds
some clouds
some clouds
cloudy
cloudy
cloudy
cloudy
snow shwrs
cloudy
cloudy
cloudy
Cloud base (m)
300
250
350
350
400
350
400
350
350
350
350
350
500
300
400
400
km/h
15
SW
20
W
20
S
10
S
5
SSW
5
WSW
10
SW
5
WSW
15
SW
20
SW
20
SW
15
SW
10
WSW
5
NW
5
N
5
NE
10
NE
Weather map
Weather map
Weather map
Weather map
Weather map
Weather map
Snowflake cm
7
1
 mm
max °C
-10
-8
-10
-10
-9
-8
-8
-7
-5
-5
-7
-6
-6
-6
-4
-3
-3
min °C
-11
-10
-11
-10
-10
-9
-9
-8
-8
-6
-7
-7
-6
-7
-6
-3
-3
 chill °C
-19
-17
-19
-16
-14
-9
-14
-8
-14
-12
-14
-13
-11
-7
-6
-3
-7
Freezing level m
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Sea lvl1000m2000m3000m4000m5000m
-14-15-15-13-9-7-7-3-3-5-8-8-8-10-9-8-8-12-12-12-11-9-8-7-5-4-5-8-7-6-8-6-5-5-11-9-11-10-10-9-9-8-7-6-7-7-6-7-5-3-3-10-7-9-10-10-10-9-11-10-7-7-7-6-5-3-1-1
Sunrise
8:56
8:52
8:48
8:45
8:41
Sunset
5:37
5:39
5:43
5:45
5:49
5:52

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

The weather forecast for Mount William (Antarctica) is: A light covering of new snow mostly falling on Thu night. Temperatures will be below freezing (max -5°C on Sun morning, min -11°C on Thu afternoon). Winds decreasing (strong winds from the SW on Thu night, calm by Sat night).

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

A dusting of new snow. Temperatures will be below freezing (max -1°C on Wed morning, min -7°C on Sun night). Wind will be generally light.

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
Captain Arturo Prat Base
323 km NE
111m alt.
3 hours ago
-9° C
light snow
Continuous light snow.
33
Fresh winds from the E
(33 kph at 90).
5.0 km
Mid: overcast
BaseBernardoO higgins
326 km ENE
10m alt.
3 hours ago
-14° C
partially cloudy
Clouds dissolving.
Wind obs. (33 kph from 180 degs) was rejected.
40 km
Mid: mostly cloudy
Marambio Airport (Seymour Island)
340 km E
232m alt.
2 hours ago
-22° C
moderate snow
Low drifting moderate snow.
44
Strong winds from the S
(44 kph at 180).
10.0 km
Low: no significant cloud
BaseMarambio
344 km E
200m alt.
3 hours ago
-22° C
heavy snow
Heavy drifting snow, below eye level.
46
Strong winds from the S
(46 kph at 190).
35 km
Mid: few
BaseEsperanza
360 km ENE
24m alt.
3 hours ago
-17° C
moderate snow
Slight to moderate drifting snow, below eye level.
44
Strong winds from the SW
(44 kph at 230).
4.0 km
Mid: few
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.
2 hours ago
-10° C
cloudy
Dry and cloudy.
30
Fresh winds from the ESE
(30 kph at 110).
10.0 km
Low: overcast
King Sejong
377 km NE
64m alt.
3 hours ago
-12° C
light snow
Intermittent light snow.
37
Fresh winds from the E
(37 kph at 90).
26 km
Mid: overcast
BaseCarlini
378 km NE
11m alt.
3 hours ago
-12° C
light snow
Continuous light snow.
31
Fresh winds from the E
(31 kph at 90).
2.0 km
Mid: overcast
Dinamet
379 km NE
52m alt.
1 hour ago
-3° C
No report.
Wind obs. (22 kph from 300 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.