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

Mount William (Antarctica)
Weather Forecast, Antarctica

Issued: 8 pm Sun 28 Jun Local Time
Updates in:
hr min s
Update imminent

Days 1–4 Weather Summary

A heavy fall of snow, heaviest during Sun night. Temperatures will be below freezing (max -4°C on Wed afternoon, min -18°C on Mon night). Winds decreasing (severe gales from the WSW on Sun night, light winds from the WSW by Mon afternoon).

Days 5–7 Weather Summary

A heavy fall of snow, heaviest during Thu night. Temperatures will be well below freezing (max -6°C on Thu morning, min -15°C on Fri morning). Mainly severe gales.

Monday
29
Tuesday
30
Wednesday
1
Thursday
2
Friday
3
Saturday
4
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
heavy snow
light snow
light snow
part cloud
clear
clear
snow showers
mod snow
light snow
heavy snow
cloud
heavy snow
heavy snow
light snow
light snow
light snow
heavy snow
snow showers
heavy snow
heavy snow
light snow
light snow
some clouds
clear
clear
snow shwrs
mod. snow
light snow
heavy snow
cloudy
heavy snow
heavy snow
light snow
light snow
light snow
heavy snow
snow shwrs
heavy snow
km/h
75
WSW
45
WSW
15
SW
35
SSW
25
SW
30
SW
15
WSW
50
N
20
WNW
30
WSW
20
NW
35
N
70
WSW
80
WSW
80
WSW
15
WNW
35
NNW
20
W
70
N
Weather map
Weather map
Weather map
Weather map
Weather map
Weather map
Weather map
Snowflake cm
19
4
2
2
8
5
15
11
20
5
3
3
18
2
23
 mm
max °C
-11
-16
-16
-16
-14
-12
-8
-5
-4
-7
-6
-6
-8
-13
-14
-6
-6
-9
-6
min °C
-15
-16
-16
-18
-15
-14
-11
-7
-5
-8
-6
-6
-14
-15
-15
-13
-9
-10
-13
 chill °C
-30
-29
-25
-30
-26
-25
-21
-18
-12
-16
-12
-15
-30
-32
-31
-23
-20
-18
-28
Freezing level m
0
0
0
0
0
0
0
0
50
0
0
0
0
0
0
0
0
0
0
Cloud base (m)
200
250
250
450
350
350
350
300
250
300
300
400
250
350
300
250
250
300
200
Sea lvl1000m2000m3000m4000m5000m
-18-21-21-21-17-14-12-9-8-10-9-10-16-19-20-13-12-14-14-13-16-16-17-15-13-10-6-5-8-6-6-11-14-15-10-8-10-10-10-12-13-14-14-13-9-4-2-4-4-3-8-11-11-7-5-7-6-6-8-10-13-14-12-8-20-1-20-4-7-7-5-2-4-3
Sunrise
11:21
11:19
11:18
11:18
11:15
11:15
Sunset
3:15
3:15
3:18
3:18
3:21
3:22

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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 night. Temperatures will be below freezing (max -4°C on Wed afternoon, min -18°C on Mon night). Winds decreasing (severe gales from the WSW on Sun night, light winds from the WSW by Mon afternoon).

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

A heavy fall of snow, heaviest during Thu night. Temperatures will be well below freezing (max -6°C on Thu morning, min -15°C on Fri morning). Mainly severe gales.

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
-2° C
moderate snow
Low drifting moderate snow.
76
Severe gales from the NW
(76 kph at 320).
8.0 km
Low: no significant cloud
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.
Teniente R. Marsh Airport
372 km NE
45m alt.
2 hours ago
-1° C
partially cloudy
Dry and partly cloudy.
56
Near gales from the W
(56 kph at 270).
10.0 km
Low: scattered
Mid: broken
Dinamet
379 km NE
52m alt.
2 hours ago
-3° C
No report.
22
Moderate winds from the WNW
(22 kph at 300).
ASCATB312E60S
1016 km ENE
15m alt.
2 hours ago
59
Near gales from the NNW
(59 kph at 329).
- km
ASCATB313E60S
1057 km ENE
15m alt.
2 hours ago
58
Near gales from the NNW
(58 kph at 332).
- km
ASCATB314E60S
1067 km ENE
15m alt.
2 hours ago
57
Near gales from the NNW
(57 kph at 333).
- km
ASCATB312E59S
1072 km ENE
15m alt.
2 hours ago
59
Near gales from the NNW
(59 kph at 333).
- km
1119 km NW
14m alt.
2 hours ago
-1° C
No report.
Wind obs. (43 kph from 260 degs) was rejected.
Puerto Williams
1119 km NW
14m alt.
2 hours ago
4° C
No report.
Wind obs. (15 kph from 250 degs) was rejected.
10.0 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.