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

Mount William (Antarctica)
Weather Forecast, Antarctica

Issued: 2 am Tue 18 Aug Local Time
Updates in:
hr min s
Update imminent

Days 1–3 Weather Summary

Mostly dry. Temperatures will be well below freezing (max -10°C on Tue morning, min -15°C on Wed night). Winds increasing (calm on Tue night, strong winds from the SW by Thu night).

Days 4–6 Weather Summary

A dusting of new snow. Temperatures will be below freezing (max -2°C on Sat night, min -13°C on Fri morning). Winds decreasing (strong winds from the SW on Fri morning, calm by Sun morning).

Tuesday
18
Wednesday
19
Thursday
20
Friday
21
Saturday
22
Sunday
23
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
cloud
cloud
cloud
cloud
cloud
part cloud
part cloud
clear
part cloud
light snow
part cloud
clear
clear
clear
part cloud
cloud
cloud
part cloud
cloudy
cloudy
cloudy
cloudy
cloudy
some clouds
some clouds
clear
some clouds
light snow
some clouds
clear
clear
clear
some clouds
cloudy
cloudy
some clouds
Cloud base (m)
300
250
300
250
450
300
300
300
450
300
300
350
4750
5300
350
km/h
10
E
10
ESE
5
NNE
5
SW
5
WSW
15
SSW
15
SSW
15
SSW
40
SW
50
SW
20
SSW
15
SSE
10
SW
15
SW
10
SSW
5
SW
5
E
15
SW
Weather map
Weather map
Weather map
Weather map
Weather map
Weather map
Snowflake cm
2
 mm
max °C
-10
-11
-12
-13
-14
-14
-13
-12
-11
-12
-10
-8
-8
-8
-2
-2
-2
-3
min °C
-11
-12
-13
-13
-14
-15
-14
-12
-12
-13
-10
-10
-8
-8
-4
-3
-3
-6
 chill °C
-17
-17
-13
-13
-18
-22
-22
-19
-23
-24
-18
-16
-12
-14
-8
-3
-3
-14
Freezing level m
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Sea lvl1000m2000m3000m4000m5000m
-12-13-14-16-16-17-16-13-13-14-12-10-8-8-2-2-2-4-11-12-13-13-14-15-14-12-12-13-10-9-8-8-3-3-3-5-9-10-11-11-11-13-12-12-11-10-10-10-9-9-7-6-6-8-7-9-9-10-9-11-11-12-10-6-10-10-9-10-11-9-10-10
Sunrise
9:07
9:03
9:00
8:56
8:52
8:48
Sunset
5:30
5:34
5:37
5:39
5:43
5:45

Loading...

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

The weather forecast for Mount William (Antarctica) is: Mostly dry. Temperatures will be well below freezing (max -10°C on Tue morning, min -15°C on Wed night). Winds increasing (calm on Tue night, strong winds from the SW by Thu night).

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

A dusting of new snow. Temperatures will be below freezing (max -2°C on Sat night, min -13°C on Fri morning). Winds decreasing (strong winds from the SW on Fri morning, calm by Sun morning).

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
-9° C
moderate snow
Slight to moderate drifting snow, above eye level.
65
Gales from the E
(65 kph at 100).
1.0 km
Mid: overcast
Marambio Airport (Seymour Island)
340 km E
232m alt.
2 hours ago
-21° C
light snow
Light snow.
31
Fresh winds from the SE
(31 kph at 140).
2.0 km
Mid: broken
High: overcast
BaseMarambio
344 km E
200m alt.
2 hours ago
-21° C
light snow
Intermittent light snow.
24
Moderate winds from the SE
(24 kph at 140).
2.0 km
Mid: overcast
BaseEsperanza
360 km ENE
24m alt.
2 hours ago
-16° C
State of sky unchanged.
28
Moderate winds from the S
(28 kph at 180).
30 km
Mid: overcast
CentroMet.Antártico Presidente Eduardo Frei
372 km NE
48m alt.
2 hours ago
-9° C
moderate snow
Slight to moderate drifting snow, above eye level.
69
Gales from the E
(69 kph at 100).
0.7 km
Mid: mostly cloudy
Teniente R. Marsh Airport
372 km NE
45m alt.
2 hours ago
-9° C
moderate snow
Blowing moderate snow.
69
Gales from the E
(69 kph at 100).
0.7 km
Low: few
Mid: broken
BaseCarlini
378 km NE
11m alt.
2 hours ago
-10° C
moderate snow
Continuous moderate snow.
63
Gales from the E
(63 kph at 90).
<100m
Mid: overcast
Dinamet
379 km NE
52m alt.
2 hours ago
-3° C
No report.
22
Moderate winds from the WNW
(22 kph at 300).
BaseSanMartin
403 km S
7m alt.
2 hours ago
-11° C
-
Wind obs. (11 kph from 360 degs) was rejected.
40 km
Mid: mostly cloudy
ASCATC287E64S
481 km WSW
15m alt.
3 hours ago
36
Fresh winds from the ENE
(36 kph at 59).
- 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.