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

Mount William (Antarctica)
Weather Forecast, Antarctica

Issued: 2 pm Fri 15 May 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 Sun night, min -15°C on Sat afternoon). Winds decreasing (fresh winds from the SW on Fri afternoon, calm by Sun afternoon).

Days 5–7 Weather Summary

Moderate rain (total 11mm) heaviest on Wed night, then becoming colder with a dusting of snow on Thu morning. Freeze-thaw conditions (max 3°C on Wed afternoon, min -12°C on Mon night). Wind will be generally light.

Fri
15
Saturday
16
Sunday
17
Monday
18
Tuesday
19
Wednesday
20
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
light snow
snow showers
cloud
clear
clear
part cloud
clear
cloud
clear
clear
clear
part cloud
cloud
light snow
part cloud
light rain
mod rain
light snow
snow shwrs
cloudy
clear
clear
some clouds
clear
cloudy
clear
clear
clear
some clouds
cloudy
light snow
some clouds
light rain
mod. rain
km/h
25
SW
20
WSW
10
SSW
10
SE
20
SW
25
SW
5
S
15
ENE
10
SE
10
S
10
ESE
0
WNW
5
W
5
W
20
SW
10
W
15
NW
Snow map
Snow map
Snow map
Snow map
Snow map
Snow map
3
1
1
1.9
9
max °C
-12
-13
-12
-14
-13
-13
-12
-9
-11
-11
-11
-9
-6
-1
2
3
3
min °C
-12
-14
-12
-15
-15
-13
-13
-10
-12
-11
-12
-10
-8
-5
1
2
2
-22
-23
-18
-22
-23
-23
-17
-16
-18
-16
-18
-10
-11
-7
-4
-1
-2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1700
1600
1650
Cloud base (m)
250
250
200
250
300
250
2100
2550
350
400
450
300
Sea lvl1000m2000m3000m4000m5000m
-19-18-17-18-17-18-14-14-15-15-14-10-9-410-1-15-16-15-16-15-16-12-11-12-12-12-10-8-3222-12-14-12-15-14-13-13-10-12-11-12-10-7-3233-8-11-10-13-13-11-13-8-11-11-12-10-6-3144
Sunrise
10:08
10:11
10:15
10:18
10:21
Sunset
4:14
4:10
4:07
4:06
4:02
4:00

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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 Sun night, min -15°C on Sat afternoon). Winds decreasing (fresh winds from the SW on Fri afternoon, calm by Sun afternoon).

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

Moderate rain (total 11mm) heaviest on Wed night, then becoming colder with a dusting of snow on Thu morning. Freeze-thaw conditions (max 3°C on Wed afternoon, min -12°C on Mon night). Wind will be generally light.

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)
339 km E
232m alt.
2 hours ago
clear
-
35
Fresh winds from the SW
(35 kph at 230).
0.0 km
Centro Met. Antártico Presidente Eduardo Frei
370 km NE
48m alt.
50 minutes ago
-4° C
No report.
115
Extremely windy from the W
(115 kph at 270).
30 km
Mid: scattered
Teniente R. Marsh Airport
371 km NE
45m alt.
2 hours ago
-3° C
partially cloudy
Dry and partly cloudy.
61
Near gales from the WSW
(61 kph at 240).
10.0 km
Low: few
Mid: scattered
Dinamet
378 km NE
52m alt.
50 minutes ago
-3° C
No report.
Wind obs. (22 kph from 300 degs) was rejected.
SHIP2872
1043 km NW
3m alt.
1 hour ago
5° C
SHIP3122
1045 km NW
15m alt.
1 hour ago
- km
SHIP2017
1056 km NW
3m alt.
2 hours ago
5° C
SHIP3794
1056 km NW
15m alt.
2 hours ago
- km
SHIP7108
1056 km NW
15m alt.
2 hours ago
- km
SHIP1440
1079 km NW
3m alt.
3 hours ago
4° C

* 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.