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

Mount William (Antarctica)
Weather Forecast, Antarctica

Issued: 2 pm Sun 16 Aug Local Time
Updates in:
hr min s
Update imminent

Days 1–4 Weather Summary

A moderate fall of snow, heaviest on Sun night. Temperatures will be well below freezing (max -6°C on Sun afternoon, min -14°C on Wed morning). Winds decreasing (strong winds from the NE on Sun night, light winds from the ENE by Tue night).

Days 5–7 Weather Summary

A dusting of new snow. Temperatures will be below freezing (max -2°C on Sat morning, min -14°C on Wed afternoon). Wind will be generally light.

Sun
16
Monday
17
Tuesday
18
Wednesday
19
Thursday
20
Friday
21
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
cloud
mod snow
snow showers
cloud
part cloud
light snow
light snow
light snow
light snow
light snow
cloud
part cloud
part cloud
clear
clear
clear
clear
cloudy
mod. snow
snow shwrs
cloudy
some clouds
light snow
light snow
light snow
light snow
light snow
cloudy
some clouds
some clouds
clear
clear
clear
clear
Cloud base (m)
300
250
300
300
1250
300
250
300
300
300
300
300
300
450
400
400
350
km/h
10
W
40
NE
15
NW
10
NNE
20
NE
15
ENE
15
ENE
5
ENE
10
NW
10
WNW
10
WSW
15
SW
5
W
5
SSE
25
SW
25
SW
10
SSW
Weather map
Weather map
Weather map
Weather map
Weather map
Weather map
Snowflake cm
9
2
1
2
1
2
2
 mm
max °C
-6
-6
-7
-7
-8
-9
-11
-12
-13
-14
-14
-14
-13
-13
-12
-9
-4
min °C
-7
-7
-8
-7
-9
-10
-11
-13
-14
-14
-14
-14
-14
-14
-14
-11
-7
 chill °C
-12
-17
-14
-12
-17
-16
-18
-18
-20
-20
-19
-21
-18
-19
-24
-20
-13
Freezing level m
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Sea lvl1000m2000m3000m4000m5000m
-10-10-10-10-10-12-13-15-16-17-17-16-16-15-14-10-4-7-7-8-7-9-10-11-13-14-14-14-14-14-14-13-10-6-4-5-5-6-8-8-10-12-11-11-12-12-12-13-12-11-10-2-2-3-4-8-6-8-10-8-8-9-10-11-12-12-12-14
Sunrise
9:10
9:07
9:03
9:00
8:56
Sunset
5:24
5:28
5:30
5:34
5:37
5:39

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

The weather forecast for Mount William (Antarctica) is: A moderate fall of snow, heaviest on Sun night. Temperatures will be well below freezing (max -6°C on Sun afternoon, min -14°C on Wed morning). Winds decreasing (strong winds from the NE on Sun night, light winds from the ENE by Tue night).

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

A dusting of new snow. Temperatures will be below freezing (max -2°C on Sat morning, min -14°C on Wed afternoon). 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
-
4
Calm
(4 kph at 20).
0.0 km
BaseMarambio
344 km E
200m alt.
2 hours ago
-1° C
-
7
Light winds from the NNE
(7 kph at 20).
35 km
Mid: scattered
BaseEsperanza
360 km ENE
24m alt.
2 hours ago
1° C
-
31
Fresh winds from the WSW
(31 kph at 250).
30 km
Mid: clear
Centro Met. Antártico Presidente Eduardo Frei
372 km NE
48m alt.
46 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
-2° C
clear
Fog -.
35
Fresh winds from the W
(35 kph at 270).
0.0 km
Low: overcast
BaseCarlini
378 km NE
11m alt.
2 hours ago
-2° C
Mist
46
Strong winds from the WNW
(46 kph at 290).
2.0 km
Mid: overcast
Dinamet
379 km NE
52m alt.
46 minutes ago
-3° C
No report.
22
Moderate winds from the WNW
(22 kph at 300).
BaseSanMartin
403 km S
7m alt.
2 hours ago
-11° C
Mist
Wind obs. (13 kph from 180 degs) was rejected.
28 km
Mid: overcast
BaseOrcadas
1062 km ENE
8m alt.
2 hours ago
0° C
light snow
Intermittent light snow.
24
Moderate winds from the NW
(24 kph at 320).
28 km
Mid: overcast
1119 km NW
14m alt.
2 hours 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.