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

Mount William (Antarctica)
Weather Forecast, Antarctica

Issued: 8 pm Tue 18 Aug Local Time
Updates in:
hr min s
Update imminent

Days 1–4 Weather Summary

A dusting of new snow. Temperatures will be well below freezing (max -9°C on Tue night, min -15°C on Wed night). Winds increasing (calm on Wed morning, near gales from the SW by Thu night).

Days 5–7 Weather Summary

A dusting of new snow. Temperatures will be below freezing (max -3°C on Sat night, min -14°C on Mon afternoon). Winds increasing (calm on Sat night, strong winds from the SW by Sun night).

Wednesday
19
Thursday
20
Friday
21
Saturday
22
Sunday
23
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
cloud
cloud
cloud
cloud
part cloud
part cloud
light snow
part cloud
clear
clear
part cloud
clear
clear
part cloud
clear
part cloud
cloudy
cloudy
cloudy
cloudy
some clouds
some clouds
light snow
some clouds
clear
clear
some clouds
clear
clear
some clouds
clear
some clouds
Cloud base (m)
350
300
250
300
300
300
300
350
350
5150
350
350
350
km/h
15
NE
5
WNW
0
S
15
SW
15
SSW
25
SW
35
WSW
35
SSW
25
S
15
S
15
SW
20
SW
5
S
10
WSW
25
SW
40
SW
Weather map
Weather map
Weather map
Weather map
Weather map
Weather map
Snowflake cm
4
 mm
max °C
-9
-12
-13
-14
-11
-11
-11
-11
-11
-8
-8
-5
-3
-4
-4
-8
min °C
-11
-13
-14
-15
-13
-11
-12
-11
-11
-10
-8
-7
-4
-4
-6
-11
 chill °C
-15
-13
-20
-24
-21
-20
-23
-22
-20
-18
-14
-14
-7
-8
-14
-22
Freezing level m
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Sea lvl1000m2000m3000m4000m5000m
-13-15-16-17-14-13-14-15-14-10-8-6-2-3-5-10-10-13-14-15-12-11-12-11-11-9-8-6-4-4-5-10-9-10-11-12-11-11-9-10-10-9-9-8-8-7-7-9-8-9-8-10-10-10-7-9-9-10-10-10-11-10-9-7
Sunrise
9:03
9:00
8:56
8:52
8:48
Sunset
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 dusting of new snow. Temperatures will be well below freezing (max -9°C on Tue night, min -15°C on Wed night). Winds increasing (calm on Wed morning, near gales from the SW by Thu night).

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

A dusting of new snow. Temperatures will be below freezing (max -3°C on Sat night, min -14°C on Mon afternoon). Winds increasing (calm on Sat night, strong winds from the SW by Sun night).

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
ASCATB300E63S
280 km NE
15m alt.
3 hours ago
72
Gales from the ENE
(72 kph at 77).
- km
Captain Arturo Prat Base
323 km NE
111m alt.
1 hour ago
-7° C
moderate snow
Continuous moderate snow.
52
Near gales from the E
(52 kph at 90).
2.0 km
Mid: overcast
BaseBernardoO higgins
326 km ENE
10m alt.
1 hour ago
-16° C
heavy snow
Heavy drifting snow, below eye level.
56
Near gales from the S
(56 kph at 180).
0.1 km
Mid: overcast
Marambio Airport (Seymour Island)
340 km E
232m alt.
2 hours ago
-23° C
light snow
Light snow.
35
Fresh winds from the S
(35 kph at 180).
0.0 km
Mid: broken
High: overcast
ASCATB301E63S
341 km NE
15m alt.
3 hours ago
71
Gales from the E
(71 kph at 95).
- km
BaseMarambio
344 km E
200m alt.
1 hour ago
-22° C
light snow
Continuous light snow.
44
Strong winds from the S
(44 kph at 180).
0.8 km
Mid: overcast
BaseEsperanza
360 km ENE
24m alt.
1 hour ago
-19° C
heavy snow
Continuous heavy snow.
50
Strong winds from the SSW
(50 kph at 200).
<100m
Mid: sky obscured
ASCATB302E63S
368 km NE
15m alt.
3 hours ago
69
Gales from the ESE
(69 kph at 104).
- km
CentroMet.Antártico Presidente Eduardo Frei
372 km NE
48m alt.
1 hour ago
-7° C
moderate snow
Slight to moderate drifting snow, above eye level.
61
Near gales from the E
(61 kph at 100).
1.0 km
Mid: overcast
Teniente R. Marsh Airport
372 km NE
45m alt.
1 hour ago
-7° C
moderate snow
Blowing moderate snow.
61
Near gales from the E
(61 kph at 100).
1.0 km
Low: overcast

* 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.