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

Mount William (Antarctica)
Weather Forecast, Antarctica

Issued: 2 pm Wed 19 Aug Local Time
Updates in:
hr min s
Update imminent

Days 1–4 Weather Summary

A light covering of new snow mostly falling on Thu night. Temperatures will be well below freezing (max -8°C on Fri night, min -14°C on Wed night). Winds increasing (calm on Wed afternoon, near gales from the SW by Thu night).

Days 5–7 Weather Summary

Mostly dry. Temperatures will be below freezing (max -4°C on Sat night, min -8°C on Sat afternoon). Winds increasing (light winds from the SSW on Sat night, strong winds from the SW by Mon afternoon).

Wed
19
Thursday
20
Friday
21
Saturday
22
Sunday
23
Monday
24
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
cloud
snow showers
light snow
part cloud
light snow
snow showers
clear
clear
part cloud
clear
clear
clear
part cloud
part cloud
part cloud
part cloud
part cloud
cloudy
snow shwrs
light snow
some clouds
light snow
snow shwrs
clear
clear
some clouds
clear
clear
clear
some clouds
some clouds
some clouds
some clouds
some clouds
Cloud base (m)
250
300
300
300
300
300
350
400
350
350
350
350
350
350
350
350
km/h
5
NW
20
SW
15
SW
25
SW
35
SW
35
S
25
S
15
S
10
SW
20
SW
10
SSE
5
SSW
20
SW
30
SW
35
SW
40
SW
25
SSW
Weather map
Weather map
Weather map
Weather map
Weather map
Weather map
Snowflake cm
1
1
4
1
 mm
max °C
-13
-14
-13
-12
-11
-12
-11
-8
-8
-7
-4
-4
-4
-4
-7
-7
-6
min °C
-13
-14
-14
-12
-13
-12
-12
-11
-8
-8
-6
-4
-4
-8
-8
-7
-7
 chill °C
-18
-21
-22
-21
-26
-23
-21
-19
-13
-15
-10
-7
-10
-18
-18
-17
-16
Freezing level m
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Sea lvl1000m2000m3000m4000m5000m
-16-16-16-14-15-16-15-10-8-7-4-3-4-6-8-8-7-13-14-14-12-12-12-12-10-8-8-5-4-4-6-8-7-7-10-11-11-11-10-10-10-10-9-9-9-7-7-7-8-7-6-8-9-9-10-8-9-9-10-10-10-13-11-9-9-8-7-6
Sunrise
9:00
8:56
8:52
8:48
8:45
Sunset
5:34
5:37
5:39
5:43
5:45
5:49

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

The weather forecast for Mount William (Antarctica) is: A light covering of new snow mostly falling on Thu night. Temperatures will be well below freezing (max -8°C on Fri night, min -14°C on Wed night). Winds increasing (calm on Wed afternoon, near gales from the SW by Thu night).

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

Mostly dry. Temperatures will be below freezing (max -4°C on Sat night, min -8°C on Sat afternoon). Winds increasing (light winds from the SSW on Sat night, strong winds from the SW by Mon afternoon).

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
moderate snow
Blowing moderate snow.
48
Strong winds from the S
(48 kph at 180).
0.1 km
BaseMarambio
344 km E
200m alt.
2 hours ago
-23° C
heavy snow
Heavy drifting snow, above eye level.
54
Near gales from the SSW
(54 kph at 200).
0.1 km
Mid: sky obscured
Centro Met. Antártico Presidente Eduardo Frei
372 km NE
48m alt.
2 hours 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
-11° C
moderate snow
Moderate snow.
59
Near gales from the ESE
(59 kph at 110).
0.0 km
Mid: overcast
BaseCarlini
378 km NE
11m alt.
2 hours ago
-12° C
light snow
Continuous light snow.
43
Strong winds from the ESE
(43 kph at 110).
2.0 km
Mid: overcast
BaseSanMartin
403 km S
7m alt.
2 hours ago
-10° C
-
11
Light winds from the ESE
(11 kph at 110).
40 km
Mid: mostly cloudy
BaseOrcadas
1062 km ENE
8m alt.
2 hours ago
-12° C
light snow
Continuous light snow.
22
Moderate winds from the SSE
(22 kph at 160).
4.0 km
Mid: overcast
Puerto Williams
1119 km NW
14m alt.
1 hour ago
2° C
No report.
35
Fresh winds from the W
(35 kph at 270).
10.0 km
Ushuaia Naval Base Airport
1143 km NW
204m alt.
2 hours ago
1° C
clear
Shower - in the vicinity.
31
Fresh winds from the WSW
(31 kph at 250).
8.0 km
Low: scattered
Mid: broken
Rio Grande Airport
1247 km NW
102m alt.
2 hours ago
clear
Dry and partly cloudy.
37
Fresh winds from the W
(37 kph at 260).
0.0 km
Low: scattered
Mid: clear

* 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.