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

Mount William (Antarctica) Weather Forecast

Trojan Range · Antarctica
Issued: 2 am Sun 18 Oct Local Time
Updates in:
hr min s
Update imminent 

Days 1–3 Weather Summary

Light rain (total 5mm) on Sun night. Becoming colder with heavy fall of snow, heaviest during Tue night. Freeze-thaw conditions (max 6°C on Sun afternoon, min -7°C on Tue morning). Mainly fresh winds.

Days 4–6 Weather Summary

A heavy fall of snow, heaviest during Thu morning. Temperatures will be below freezing (max -2°C on Wed afternoon, min -6°C on Thu night). Winds decreasing (fresh winds from the SW on Thu night, calm by Fri night).

Sunday
18
Monday
19
Tuesday
20
Wednesday
21
Thursday
22
Friday
23
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
part cloud
light rain
light snow
light snow
light snow
light snow
snow showers
part cloud
mod snow
light snow
part cloud
light snow
light snow
light snow
mod snow
snow showers
cloud
cloud
some clouds
light rain
light snow
light snow
light snow
light snow
snow shwrs
some clouds
mod. snow
light snow
some clouds
light snow
light snow
light snow
mod. snow
snow shwrs
cloudy
cloudy
Cloud base (m)
600
1450
450
300
300
300
350
350
300
350
350
350
300
300
300
350
350
1400
km/h
10
NNE
15
NNE
20
NNE
10
NW
15
WSW
15
WSW
20
WSW
20
WSW
15
NNW
25
WSW
25
WSW
15
WSW
20
WNW
25
WSW
35
SW
20
SW
25
SW
5
WSW
Weather map
Weather map
Weather map
Weather map
Weather map
Weather map
Snowflake cm
—
—
1
3
3
2
2
—
10
2
—
1
5
3
10
1
—
—
 mm
—
0.2
4
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
max °C
4
6
5
0
-2
-5
-7
-6
-3
-3
-2
-2
-2
-3
-5
-5
-5
-2
min °C
3
5
1
-1
-3
-6
-7
-6
-4
-4
-3
-2
-2
-5
-6
-5
-5
-4
 chill °C
1
2
-4
-5
-8
-11
-14
-13
-11
-11
-10
-7
-8
-13
-15
-12
-12
-9
Freezing level m
1300
1950
1500
500
100
0
0
0
0
50
0
0
200
0
0
0
0
0
Sea lvl1000m2000m3000m4000m5000m
-13-1-6-10-13-14-12-9-9-6-7-8-11-13-10-8-5252-3-6-10-11-10-7-7-4-4-5-8-10-8-7-4463-1-3-6-7-6-4-4-3-2-2-4-6-5-5-356521-3-3-3-10001-1-3-3-4-3
Sunrise
5:26
—
—
5:22
—
—
5:18
—
—
5:15
—
—
5:11
—
—
5:07
—
—
Sunset
—
8:35
—
—
8:37
—
—
8:40
—
—
8:45
—
—
8:47
—
—
8:51
—

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

The weather forecast for Mount William (Antarctica) is: Light rain (total 5mm) on Sun night. Becoming colder with heavy fall of snow, heaviest during Tue night. Freeze-thaw conditions (max 6°C on Sun afternoon, min -7°C on Tue morning). Mainly fresh winds.

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

A heavy fall of snow, heaviest during Thu morning. Temperatures will be below freezing (max -2°C on Wed afternoon, min -6°C on Thu night). Winds decreasing (fresh winds from the SW on Thu night, calm by Fri night).

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
ASCATC299E63S
219 km NE
15m alt.
3 hours ago
12
Light winds from the NNW
(12 kph at 348).
- km
ASCATC293E64S
226 km WNW
15m alt.
3 hours ago
19
Light winds from the NNE
(19 kph at 25).
- km
ASCATC292E64S
264 km W
15m alt.
3 hours ago
18
Light winds from the NNE
(18 kph at 13).
- km
ASCATC300E63S
278 km NE
15m alt.
3 hours ago
14
Light winds from the WNW
(14 kph at 290).
- km
ASCATC294E63S
289 km NW
15m alt.
3 hours ago
13
Light winds from the NE
(13 kph at 38).
- km
ASCATC293E63S
301 km WNW
15m alt.
3 hours ago
12
Light winds from the NNE
(12 kph at 29).
- km
ASCATC301E63S
302 km NE
15m alt.
3 hours ago
18
Light winds from the W
(18 kph at 272).
- km
ASCATC291E64S
303 km W
15m alt.
3 hours ago
14
Light winds from the NNE
(14 kph at 32).
- km
Captain Arturo Prat Base
323 km NE
111m alt.
1 hour ago
0°C
State of sky unchanged.
11
Light winds from the NNW
(11 kph at 340).
30 km
Mid: overcast
BaseBernardoO higgins
326 km ENE
10m alt.
1 hour ago
1°C
State of sky unchanged.
24
Moderate winds from the W
(24 kph at 270).
30 km
Mid: overcast

* 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.