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

Mount William (Antarctica)
Weather Forecast, Antarctica

Issued: 8 am Wed 19 Aug Local Time
Updates in:
hr min s
Update imminent

Days 1–3 Weather Summary

A light covering of new snow mostly falling on Thu night. Temperatures will be well below freezing (max -9°C on Fri night, min -15°C on Wed night). Winds increasing (calm on Wed afternoon, near gales from the SW by Thu night).

Days 4–6 Weather Summary

A moderate fall of snow, heaviest on Mon night. Temperatures will be below freezing (max -4°C on Sat night, min -10°C on Mon night). Winds increasing (light winds from the S on Sat night, strong winds from the SW by Sun night).

Wednesday
19
Thursday
20
Friday
21
Saturday
22
Sunday
23
Monday
24
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
cloud
cloud
light snow
light snow
part cloud
light snow
snow showers
clear
clear
part cloud
part cloud
clear
clear
part cloud
part cloud
cloud
light snow
snow showers
cloudy
cloudy
light snow
light snow
some clouds
light snow
snow shwrs
clear
clear
some clouds
some clouds
clear
clear
some clouds
some clouds
cloudy
light snow
snow shwrs
Cloud base (m)
250
250
300
300
300
300
300
400
350
350
350
350
350
300
350
km/h
10
NW
5
NW
20
SW
15
SW
25
SW
40
SW
30
S
25
S
15
S
15
SW
20
SW
5
SE
10
SW
25
SW
40
SW
35
SW
25
WSW
35
SW
Weather map
Weather map
Weather map
Weather map
Weather map
Weather map
Snowflake cm
1
1
3
1
4
6
 mm
max °C
-12
-13
-14
-13
-12
-11
-12
-12
-9
-8
-7
-4
-4
-4
-8
-8
-8
-8
min °C
-13
-14
-15
-14
-12
-13
-12
-12
-11
-8
-8
-5
-4
-5
-9
-9
-8
-10
 chill °C
-17
-14
-23
-21
-21
-26
-22
-22
-19
-14
-15
-10
-7
-13
-19
-19
-16
-20
Freezing level m
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Sea lvl1000m2000m3000m4000m5000m
-15-16-16-16-14-15-16-15-11-8-7-3-3-5-9-11-12-12-13-14-15-14-12-12-12-12-10-8-8-5-4-5-9-9-8-9-10-11-12-12-11-10-10-11-10-9-9-8-7-7-8-6-5-7-8-8-9-9-10-8-9-9-10-10-11-12-10-9-8-4-2-5
Sunrise
9:03
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 -9°C on Fri night, min -15°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):

A moderate fall of snow, heaviest on Mon night. Temperatures will be below freezing (max -4°C on Sat night, min -10°C on Mon night). Winds increasing (light winds from the S on Sat night, strong winds from the SW by Sun night).

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
Captain Arturo Prat Base
323 km NE
111m alt.
2 hours ago
-10° C
heavy snow
Heavy drifting snow, above eye level.
65
Gales from the E
(65 kph at 100).
0.1 km
Mid: mostly cloudy
BaseBernardoO higgins
326 km ENE
10m alt.
2 hours ago
-17° C
moderate snow
Slight to moderate drifting snow, above eye level.
65
Gales from the SE
(65 kph at 140).
0.5 km
Mid: overcast
Marambio Airport (Seymour Island)
340 km E
232m alt.
3 hours ago
-22° C
moderate snow
Blowing moderate snow.
61
Near gales from the SSW
(61 kph at 200).
0.5 km
Low: few
Mid: scattered
High: broken
BaseMarambio
344 km E
200m alt.
2 hours ago
-22° C
heavy snow
Heavy drifting snow, above eye level.
61
Near gales from the SSW
(61 kph at 200).
0.5 km
Mid: mostly cloudy
BaseEsperanza
360 km ENE
24m alt.
2 hours ago
-19° C
moderate snow
Slight to moderate drifting snow, above eye level.
57
Near gales from the SW
(57 kph at 230).
0.4 km
Mid: mostly cloudy
CentroMet.Antártico Presidente Eduardo Frei
372 km NE
48m alt.
2 hours ago
-10° C
moderate snow
Slight to moderate drifting snow, below eye level.
61
Near gales from the ESE
(61 kph at 120).
2.0 km
Mid: mostly cloudy
Teniente R. Marsh Airport
372 km NE
45m alt.
3 hours ago
-10° C
moderate snow
Low drifting moderate snow.
63
Gales from the ESE
(63 kph at 110).
2.0 km
Low: broken
BaseCarlini
378 km NE
11m alt.
2 hours ago
-11° C
moderate snow
Continuous moderate snow.
41
Strong winds from the ESE
(41 kph at 110).
<100m
Mid: overcast
BaseSanMartin
403 km S
7m alt.
2 hours ago
-8° C
-
Wind obs. (26 kph from 140 degs) was rejected.
40 km
Mid: overcast
ASCATB283E64S
676 km WSW
15m alt.
2 hours ago
59
Near gales from the SW
(59 kph at 222).
- 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.