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

Mount William (Antarctica)
Weather Forecast, Antarctica

Issued: 2 pm Sat 29 Aug Local Time
Updates in:
hr min s
Update imminent

Days 1–4 Weather Summary

A moderate fall of snow, heaviest on Mon night. Temperatures will be below freezing (max -4°C on Sat night, min -25°C on Tue morning). Winds decreasing (fresh winds from the SW on Sat night, light winds from the WNW by Mon morning).

Days 5–7 Weather Summary

Mostly dry. Extremely cold (max -15°C on Fri morning, min -26°C on Tue afternoon). Wind will be generally light.

Sat
29
Sunday
30
Monday
31
Tuesday
1
Wednesday
2
Thursday
3
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
clear
clear
part cloud
part cloud
part cloud
light snow
light snow
mod snow
light snow
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
some clouds
some clouds
some clouds
light snow
light snow
mod. snow
light snow
some clouds
clear
clear
clear
clear
clear
clear
clear
Cloud base (m)
300
300
300
300
250
250
250
250
300
km/h
15
SW
30
SW
25
SW
20
WSW
15
W
15
WNW
20
NW
20
WNW
25
WSW
25
SW
15
S
10
SSE
10
S
5
S
10
S
10
S
15
SSW
Weather map
Weather map
Weather map
Weather map
Weather map
Weather map
Snowflake cm
1
2
8
2
 mm
max °C
-5
-4
-7
-9
-10
-12
-13
-13
-24
-25
-23
-21
-21
-22
-21
-20
-18
min °C
-5
-6
-8
-10
-12
-12
-13
-23
-25
-26
-25
-22
-22
-22
-21
-21
-20
 chill °C
-11
-15
-16
-17
-19
-19
-21
-34
-36
-38
-36
-30
-29
-29
-28
-28
-27
Freezing level m
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Sea lvl1000m2000m3000m4000m5000m
-7-6-9-11-13-15-16-21-28-29-26-24-23-24-24-23-20-5-5-8-10-11-12-13-18-25-26-24-22-22-22-21-21-19-7-8-8-9-11-10-10-15-21-22-23-21-20-21-20-19-20-8-11-9-9-11-7-6-11-17-19-23-20-19-21-18-18-20
Sunrise
8:23
8:21
8:17
8:14
8:10
Sunset
6:04
6:06
6:08
6:12
6:15
6:17

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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 Mon night. Temperatures will be below freezing (max -4°C on Sat night, min -25°C on Tue morning). Winds decreasing (fresh winds from the SW on Sat night, light winds from the WNW by Mon morning).

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

Mostly dry. Extremely cold (max -15°C on Fri morning, min -26°C on Tue 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
-
28
Moderate winds from the NNW
(28 kph at 340).
0.0 km
BaseMarambio
344 km E
200m alt.
1 hour ago
-15°C
-
28
Moderate winds from the NNW
(28 kph at 340).
35 km
Mid: clear
BaseEsperanza
360 km ENE
24m alt.
1 hour ago
-3°C
-
33
Fresh winds from the W
(33 kph at 270).
30 km
Mid: few
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.
2 hours ago
-5°C
cloudy
Dry and cloudy.
24
Moderate winds from the W
(24 kph at 260).
10.0 km
Low: overcast
BaseCarlini
378 km NE
11m alt.
1 hour ago
-4°C
Mist
31
Fresh winds from the WNW
(31 kph at 290).
4.0 km
Mid: overcast
Dinamet
379 km NE
52m alt.
1 hour ago
-3°C
No report.
22
Moderate winds from the WNW
(22 kph at 300).
BaseSanMartin
403 km S
7m alt.
1 hour ago
-24°C
-
0
Calm
(0 kph at 0).
40 km
Mid: scattered
BaseOrcadas
1062 km ENE
8m alt.
1 hour ago
-6°C
-
13
Light winds from the SE
(13 kph at 140).
40 km
Mid: overcast
1119 km NW
14m alt.
1 hour 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.