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

Mount William (Antarctica)
Weather Forecast, Antarctica

Issued: 2 pm Tue 18 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 well below freezing (max -8°C on Thu night, min -13°C on Wed night). Winds increasing (calm on Wed afternoon, near gales from the SW by Thu night).

Days 5–7 Weather Summary

Mostly dry. Temperatures will be below freezing (max -5°C on Sun morning, min -12°C on Fri afternoon). Wind will be generally light.

Tue
18
Wednesday
19
Thursday
20
Friday
21
Saturday
22
Sunday
23
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
cloud
cloud
part cloud
cloud
cloud
part cloud
part cloud
light snow
snow showers
clear
clear
part cloud
clear
clear
part cloud
part cloud
cloud
cloudy
cloudy
some clouds
cloudy
cloudy
some clouds
some clouds
light snow
snow shwrs
clear
clear
some clouds
clear
clear
some clouds
some clouds
cloudy
Cloud base (m)
300
350
250
250
300
300
300
400
300
400
350
350
350
350
km/h
10
E
10
ENE
5
N
0
E
10
SW
10
SSW
10
SW
20
WSW
25
S
15
S
10
S
10
SW
15
SW
0
SW
10
SW
15
SW
20
SW
Weather map
Weather map
Weather map
Weather map
Weather map
Weather map
Snowflake cm
4
2
 mm
max °C
-9
-9
-10
-10
-12
-11
-11
-8
-10
-10
-9
-8
-8
-6
-5
-5
-7
min °C
-9
-10
-10
-11
-13
-12
-12
-10
-11
-12
-11
-10
-8
-7
-6
-7
-9
 chill °C
-15
-10
-10
-11
-19
-18
-19
-18
-19
-18
-16
-14
-14
-7
-11
-14
-17
Freezing level m
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Sea lvl1000m2000m3000m4000m5000m
-12-14-15-16-17-15-13-15-16-15-11-8-5-1-2-4-9-10-11-13-13-15-13-12-13-13-12-10-8-6-3-3-5-8-9-10-10-11-13-12-12-9-11-11-10-9-8-7-6-6-8-9-8-9-9-10-11-12-7-8-10-10-11-10-11-9-8-8
Sunrise
9:03
9:00
8:56
8:52
8:48
Sunset
5:30
5:34
5:37
5:39
5:43
5:45

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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 well below freezing (max -8°C on Thu night, min -13°C on Wed night). Winds increasing (calm on Wed afternoon, near gales from the SW by Thu night).

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

Mostly dry. Temperatures will be below freezing (max -5°C on Sun morning, min -12°C on Fri afternoon). 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
0° C
light snow
Continuous light snow.
33
Fresh winds from the NNE
(33 kph at 20).
2.0 km
Mid: overcast
Marambio Airport (Seymour Island)
340 km E
232m alt.
2 hours ago
-22° C
moderate snow
Moderate snow.
35
Fresh winds from the SE
(35 kph at 140).
0.5 km
Mid: overcast
BaseMarambio
344 km E
200m alt.
3 hours ago
-22° C
moderate snow
Continuous moderate snow.
22
Moderate winds from the SE
(22 kph at 140).
0.5 km
Mid: overcast
BaseEsperanza
360 km ENE
24m alt.
3 hours ago
-18° C
moderate snow
Continuous moderate snow.
35
Fresh winds from the SSW
(35 kph at 200).
0.5 km
Mid: overcast
Centro Met. Antártico Presidente Eduardo Frei
372 km NE
48m alt.
50 minutes 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
0° C
clear
Mist -.
39
Strong winds from the N
(39 kph at 10).
3.0 km
Low: overcast
King Sejong
377 km NE
64m alt.
3 hours ago
1° C
light rain
Intermittent light rain.
44
Strong winds from the N
(44 kph at 0).
5.0 km
Mid: overcast
BaseCarlini
378 km NE
11m alt.
3 hours ago
1° C
Mist
59
Near gales from the N
(59 kph at 0).
3.0 km
Mid: mostly cloudy
Dinamet
379 km NE
52m alt.
50 minutes ago
-3° C
No report.
22
Moderate winds from the WNW
(22 kph at 300).
BaseSanMartin
403 km S
7m alt.
3 hours ago
-6° C
-
Wind obs. (17 kph from 250 degs) was rejected.
40 km
Mid: scattered

* 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.