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

Mount William (Antarctica)
Weather Forecast, Antarctica

Issued: 2 am Sun 19 Jul Local Time
Updates in:
hr min s
Update imminent

Days 1–3 Weather Summary

Mostly dry. Extremely cold (max -11°C on Tue morning, min -20°C on Sun morning). Wind will be generally light.

Days 4–6 Weather Summary

A heavy fall of snow, heaviest during Fri night. Temperatures will be well below freezing (max -7°C on Thu morning, min -11°C on Wed morning). Winds increasing (light winds from the SSW on Wed morning, near gales from the WSW by Thu night).

Sunday
19
Monday
20
Tuesday
21
Wednesday
22
Thursday
23
Friday
24
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
clear
clear
clear
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
clear
part cloud
light snow
mod snow
light snow
mod snow
light snow
light snow
heavy snow
clear
clear
clear
some clouds
some clouds
some clouds
some clouds
some clouds
some clouds
clear
some clouds
light snow
mod. snow
light snow
mod. snow
light snow
light snow
heavy snow
Cloud base (m)
300
700
350
300
300
300
300
300
300
300
300
250
250
250
300
250
250
km/h
5
ENE
0
NW
5
W
20
SW
10
SSW
15
WSW
15
S
20
SSW
20
SW
15
SSW
15
SW
30
SW
45
WSW
55
WSW
50
SW
25
WSW
30
W
25
W
Weather map
Weather map
Weather map
Weather map
Weather map
Weather map
Snowflake cm
4
6
3
7
1
5
15
 mm
max °C
-19
-19
-17
-14
-13
-13
-11
-11
-11
-11
-10
-8
-7
-7
-7
-10
-9
-9
min °C
-20
-19
-19
-16
-13
-14
-13
-12
-12
-11
-11
-10
-7
-7
-10
-11
-9
-11
 chill °C
-24
-19
-19
-26
-19
-22
-20
-19
-20
-18
-19
-19
-17
-18
-21
-20
-18
-23
Freezing level m
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Sea lvl1000m2000m3000m4000m5000m
-22-21-18-15-11-15-14-14-14-12-12-14-14-15-17-18-17-19-21-20-18-15-10-14-11-12-12-10-10-12-10-11-13-14-12-14-20-19-18-15-13-14-12-12-12-11-11-9-7-7-9-11-9-10-19-19-18-16-16-13-13-11-12-12-10-6-4-3-5-7-5-7
Sunrise
10:41
10:38
10:36
10:33
10:30
10:27
Sunset
4:00
4:02
4:06
4:08
4:12
4:15

Loading...

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

The weather forecast for Mount William (Antarctica) is: Mostly dry. Extremely cold (max -11°C on Tue morning, min -20°C on Sun morning). Wind will be generally light.

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

A heavy fall of snow, heaviest during Fri night. Temperatures will be well below freezing (max -7°C on Thu morning, min -11°C on Wed morning). Winds increasing (light winds from the SSW on Wed morning, near gales from the WSW by Thu night).

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
Marambio Airport (Seymour Island)
340 km E
232m alt.
2 hours ago
-26° C
moderate snow
Low drifting moderate snow.
59
Near gales from the SSW
(59 kph at 200).
3.0 km
Low: no significant cloud
Centro Met. Antártico Presidente Eduardo Frei
372 km NE
48m alt.
1 hour ago
-4° C
No report.
Wind obs. (115 kph from 270 degs) was rejected.
Teniente R. Marsh Airport
372 km NE
45m alt.
1 hour ago
-6° C
moderate snow
Moderate snow.
33
Fresh winds from the ESE
(33 kph at 110).
1.2 km
Low: broken
Mid: overcast
Dinamet
379 km NE
52m alt.
1 hour ago
-3° C
No report.
Wind obs. (22 kph from 300 degs) was rejected.
ASCATC287E66S
477 km SW
15m alt.
2 hours ago
45
Strong winds from the S
(45 kph at 191).
- km
ASCATC287E67S
488 km SW
15m alt.
2 hours ago
49
Strong winds from the SSW
(49 kph at 205).
- km
ASCATC286E66S
511 km SW
15m alt.
2 hours ago
43
Strong winds from the S
(43 kph at 184).
- km
ASCATC285E66S
543 km SW
15m alt.
2 hours ago
39
Strong winds from the S
(39 kph at 186).
- km
ASCATC285E65S
551 km SW
15m alt.
2 hours ago
37
Fresh winds from the S
(37 kph at 189).
- km
ASCATB284E66S
600 km SW
15m alt.
3 hours ago
38
Fresh winds from the S
(38 kph at 187).
- 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.