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

Mount William (Antarctica) Weather Forecast

Trojan Range · Antarctica
Issued: 2 pm Wed 23 Sep Local Time
Updates in:
hr min s
Update imminent

Days 1–4 Weather Summary

A heavy fall of snow, heaviest during Wed night. Temperatures will be well below freezing (max -7°C on Wed night, min -18°C on Thu night). Winds decreasing (fresh winds from the SW on Thu afternoon, light winds from the WSW by Sat morning).

Days 5–7 Weather Summary

A heavy fall of snow, heaviest during Mon night. Temperatures will be below freezing (max -3°C on Mon night, min -12°C on Sun night). Winds increasing (light winds from the WNW on Sat afternoon, strong winds from the WSW by Sun night).

Wed
23
Thursday
24
Friday
25
Saturday
26
Sunday
27
Monday
28
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
light snow
heavy snow
mod snow
mod snow
mod snow
light snow
light snow
light snow
light snow
mod snow
snow showers
part cloud
light snow
light snow
part cloud
cloud
heavy snow
light snow
heavy snow
mod. snow
mod. snow
mod. snow
light snow
light snow
light snow
light snow
mod. snow
snow shwrs
some clouds
light snow
light snow
some clouds
cloudy
heavy snow
Cloud base (m)
250
200
200
200
250
250
300
300
400
300
300
300
300
300
350
350
300
km/h
30
SW
35
WSW
30
W
40
SW
30
SW
25
SW
20
SW
15
WSW
15
WSW
20
WNW
25
SW
20
WSW
20
WSW
40
SW
30
SW
20
WSW
35
W
Weather map
Weather map
Weather map
Weather map
Weather map
Weather map
Snowflake cm
5
14
7
6
8
2
2
2
1
6
11
1
5
17
 mm
max °C
-9
-7
-7
-10
-16
-18
-17
-13
-8
-6
-5
-10
-8
-8
-10
-6
-3
min °C
-12
-7
-7
-13
-18
-18
-18
-17
-11
-6
-11
-11
-10
-12
-11
-9
-4
 chill °C
-22
-16
-15
-24
-29
-29
-28
-26
-18
-13
-20
-19
-18
-22
-20
-17
-11
Freezing level m
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Sea lvl1000m2000m3000m4000m5000m
-16-15-16-20-24-25-24-19-14-13-14-16-15-17-14-11-9-14-11-11-15-21-23-22-17-11-9-11-14-13-14-12-9-6-11-7-7-12-17-18-18-15-10-6-8-11-9-10-11-8-4-7-4-4-8-13-14-13-14-8-3-5-8-5-7-9-6-1
Sunrise
6:54
6:50
6:47
6:43
6:39
Sunset
7:16
7:20
7:22
7:25
7:29
7:31

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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 Wed night. Temperatures will be well below freezing (max -7°C on Wed night, min -18°C on Thu night). Winds decreasing (fresh winds from the SW on Thu afternoon, light winds from the WSW by Sat morning).

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

A heavy fall of snow, heaviest during Mon night. Temperatures will be below freezing (max -3°C on Mon night, min -12°C on Sun night). Winds increasing (light winds from the WNW on Sat afternoon, strong winds from the WSW by Sun 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
Marambio Airport (Seymour Island)
340 km E
232m alt.
3 hours ago
clear
-
Wind obs. (28 kph from 250 degs) was rejected.
0.0 km
BaseMarambio
344 km E
200m alt.
3 hours ago
-12°C
-
28
Moderate winds from the WSW
(28 kph at 250).
35 km
Mid: scattered
BaseEsperanza
360 km ENE
24m alt.
3 hours ago
-3°C
-
28
Moderate winds from the SW
(28 kph at 230).
30 km
Mid: scattered
Centro Met. Antártico Presidente Eduardo Frei
372 km NE
48m alt.
1 hour 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
-5°C
moderate snow
Low drifting moderate snow.
54
Near gales from the WSW
(54 kph at 240).
5.0 km
Low: broken
BaseCarlini
378 km NE
11m alt.
3 hours ago
-6°C
light snow
Continuous light snow.
46
Strong winds from the W
(46 kph at 270).
3.0 km
Mid: mostly cloudy
Dinamet
379 km NE
52m alt.
1 hour ago
-3°C
No report.
Wind obs. (22 kph from 300 degs) was rejected.
BaseSanMartin
403 km S
7m alt.
3 hours ago
-18°C
moderate snow
Continuous moderate snow.
41
Strong winds from the N
(41 kph at 0).
0.6 km
Mid: overcast
BaseOrcadas
1062 km ENE
8m alt.
3 hours ago
-1°C
light snow
Continuous light snow.
30
Fresh winds from the NW
(30 kph at 320).
26 km
Mid: overcast
1119 km NW
14m alt.
3 hours ago
-1°C
No report.
43
Strong winds from the W
(43 kph at 260).

* 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.