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

Mount William (Antarctica)
Weather Forecast, Antarctica

Issued: 8 pm Sat 25 Jul Local Time
Updates in:
hr min s
Update imminent

Days 1–4 Weather Summary

A moderate fall of snow, heaviest on Sun night. Extremely cold (max -13°C on Sat night, min -19°C on Mon night). Winds decreasing (gales from the SW on Sun night, light winds from the S by Mon morning).

Days 5–7 Weather Summary

A dusting of new snow. Temperatures will be well below freezing (max -9°C on Thu night, min -19°C on Wed afternoon). Winds increasing (light winds from the SSW on Tue night, gales from the SSW by Thu night).

Sunday
26
Monday
27
Tuesday
28
Wednesday
29
Thursday
30
Friday
31
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
clear
snow showers
light snow
mod snow
light snow
clear
part cloud
clear
part cloud
clear
cloud
light snow
clear
clear
part cloud
clear
clear
clear
clear
clear
snow shwrs
light snow
mod. snow
light snow
clear
some clouds
clear
some clouds
clear
cloudy
light snow
clear
clear
some clouds
clear
clear
clear
clear
Cloud base (m)
300
300
300
300
250
300
300
350
350
300
350
500
350
350
350
400
350
400
400
km/h
35
SSW
55
SW
60
SW
45
WSW
30
SW
15
S
15
SW
20
SW
25
SW
20
SSW
25
SW
40
WSW
35
S
25
SSW
35
SSW
50
SSW
40
SSW
45
SW
65
SW
Weather map
Weather map
Weather map
Weather map
Weather map
Weather map
Weather map
Snowflake cm
1
1
7
2
1
 mm
max °C
-13
-15
-16
-16
-17
-18
-19
-18
-19
-17
-17
-18
-15
-14
-11
-9
-9
-9
-10
min °C
-15
-16
-17
-17
-18
-18
-19
-19
-19
-17
-18
-19
-17
-15
-12
-10
-9
-10
-11
 chill °C
-28
-31
-32
-33
-26
-27
-29
-30
-30
-27
-31
-33
-28
-25
-25
-23
-19
-22
-24
Freezing level m
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Sea lvl1000m2000m3000m4000m5000m
-14-16-17-17-18-18-19-19-19-17-18-19-16-15-12-10-9-10-11-13-15-14-14-15-16-17-18-17-16-16-16-15-14-11-10-9-9-9-13-12-11-11-12-15-15-16-15-16-15-13-14-14-12-11-10-9-9-11-9-8-8-10-14-14-15-13-16-15-10-14-13-13-13-10-9-8
Sunrise
10:22
10:18
10:15
10:12
10:08
10:06
Sunset
4:21
4:23
4:27
4:30
4:32
4:36

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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. Extremely cold (max -13°C on Sat night, min -19°C on Mon night). Winds decreasing (gales from the SW on Sun night, light winds from the S by Mon morning).

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

A dusting of new snow. Temperatures will be well below freezing (max -9°C on Thu night, min -19°C on Wed afternoon). Winds increasing (light winds from the SSW on Tue night, gales from the SSW by Thu night).

This table gives the weather forecast for Mount William (Antarctica) at the specific elevation of 1600 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
-
28
Moderate winds from the WSW
(28 kph at 240).
0.0 km
ASCATC289E65S
354 km WSW
15m alt.
3 hours ago
45
Strong winds from the S
(45 kph at 180).
- km
Centro Met. Antártico Presidente Eduardo Frei
372 km NE
48m alt.
3 hours ago
-4° C
No report.
Wind obs. (115 kph from 270 degs) was rejected.
Teniente R. Marsh Airport
372 km NE
45m alt.
3 hours ago
-4° C
cloudy
Dry and cloudy.
33
Fresh winds from the SW
(33 kph at 230).
10.0 km
Low: overcast
Dinamet
379 km NE
52m alt.
3 hours ago
-3° C
No report.
Wind obs. (22 kph from 300 degs) was rejected.
ASCATC289E64S
388 km WSW
15m alt.
3 hours ago
45
Strong winds from the SW
(45 kph at 222).
- km
ASCATC288E65S
393 km WSW
15m alt.
3 hours ago
46
Strong winds from the SW
(46 kph at 216).
- km
ASCATC288E64S
426 km W
15m alt.
3 hours ago
49
Strong winds from the SW
(49 kph at 222).
- km
ASCATC287E65S
444 km WSW
15m alt.
3 hours ago
44
Strong winds from the SW
(44 kph at 222).
- km
ASCATC289E68S
463 km SSW
15m alt.
3 hours ago
47
Strong winds from the WSW
(47 kph at 240).
- 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.