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

Mount William (Antarctica) Weather Forecast

Trojan Range · Antarctica
Issued: 2 pm Mon 21 Sep Local Time
Updates in:
hr min s
Update imminent

Days 1–4 Weather Summary

A heavy fall of snow, heaviest during Mon night. Temperatures will be well below freezing (max -7°C on Mon afternoon, min -14°C on Tue night). Winds decreasing (fresh winds from the W on Mon afternoon, light winds from the N by Tue morning).

Days 5–7 Weather Summary

A heavy fall of snow, heaviest during Sat night. Temperatures will be below freezing (max -5°C on Sat night, min -15°C on Fri afternoon). Winds decreasing (strong winds from the WSW on Fri morning, light winds from the WNW by Sat morning).

Mon
21
Tuesday
22
Wednesday
23
Thursday
24
Friday
25
Saturday
26
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
light snow
mod snow
cloud
light snow
part cloud
light snow
light snow
mod snow
snow showers
light snow
heavy snow
heavy snow
light snow
snow showers
light snow
light snow
heavy snow
light snow
mod. snow
cloudy
light snow
some clouds
light snow
light snow
mod. snow
snow shwrs
light snow
heavy snow
heavy snow
light snow
snow shwrs
light snow
light snow
heavy snow
Cloud base (m)
250
250
300
400
300
250
200
250
250
250
250
200
300
300
500
300
250
km/h
35
W
25
W
10
N
10
NE
10
SSE
15
WSW
20
WSW
25
WSW
10
WSW
35
W
20
W
50
WSW
30
SW
20
SW
15
WNW
15
WNW
30
NW
Weather map
Weather map
Weather map
Weather map
Weather map
Weather map
Snowflake cm
4
8
2
1
3
8
1
4
12
11
2
1
1
2
22
 mm
max °C
-7
-10
-9
-8
-10
-13
-10
-9
-8
-7
-7
-6
-13
-13
-6
-6
-5
min °C
-9
-11
-10
-8
-14
-13
-13
-11
-9
-8
-9
-11
-15
-15
-9
-6
-11
 chill °C
-19
-16
-14
-14
-20
-21
-22
-20
-14
-17
-17
-22
-25
-25
-15
-12
-22
Freezing level m
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Sea lvl1000m2000m3000m4000m5000m
-17-18-16-14-16-17-18-17-16-15-16-17-21-17-13-13-15-12-14-13-11-14-16-15-14-12-12-12-13-18-16-10-10-12-8-11-10-8-12-13-12-10-9-8-8-9-14-14-8-6-8-4-7-7-6-11-10-9-7-6-4-5-5-10-13-5-3-5
Sunrise
7:01
6:58
6:54
6:50
6:47
Sunset
7:10
7:14
7:16
7:20
7:22
7:25

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

The weather forecast for Mount William (Antarctica) is: A heavy fall of snow, heaviest during Mon night. Temperatures will be well below freezing (max -7°C on Mon afternoon, min -14°C on Tue night). Winds decreasing (fresh winds from the W on Mon afternoon, light winds from the N by Tue morning).

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

A heavy fall of snow, heaviest during Sat night. Temperatures will be below freezing (max -5°C on Sat night, min -15°C on Fri afternoon). Winds decreasing (strong winds from the WSW on Fri morning, light winds from the WNW by Sat morning).

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)
340 km E
232m alt.
2 hours ago
-3°C
partially cloudy
Dry and partly cloudy.
Wind obs. (24 kph from 230 degs) was rejected.
10.0 km
Low: few
Mid: broken
High: broken
BaseMarambio
344 km E
200m alt.
1 hour ago
-4°C
-
28
Moderate winds from the SW
(28 kph at 230).
35 km
Mid: mostly cloudy
BaseEsperanza
360 km ENE
24m alt.
1 hour ago
0°C
-
33
Fresh winds from the NW
(33 kph at 320).
30 km
Mid: scattered
Centro Met. Antártico Presidente Eduardo Frei
372 km NE
48m alt.
56 minutes 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
-2°C
partially cloudy
Dry and partly cloudy.
59
Near gales from the W
(59 kph at 270).
10.0 km
Low: few
Mid: broken
BaseCarlini
378 km NE
11m alt.
1 hour ago
-2°C
Mist
50
Strong winds from the W
(50 kph at 270).
28 km
Mid: mostly cloudy
Dinamet
379 km NE
52m alt.
56 minutes ago
-3°C
No report.
22
Moderate winds from the WNW
(22 kph at 300).
BaseSanMartin
403 km S
7m alt.
1 hour ago
-9°C
moderate snow
Continuous moderate snow.
28
Moderate winds from the NW
(28 kph at 320).
0.5 km
Mid: overcast
BaseOrcadas
1062 km ENE
8m alt.
1 hour ago
-3°C
-
30
Fresh winds from the NW
(30 kph at 320).
40 km
Mid: overcast
1119 km NW
14m alt.
1 hour ago
-1°C
No report.
Wind obs. (43 kph from 260 degs) was rejected.

* 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.