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

Mount William (Antarctica) Weather Forecast

Trojan Range · Antarctica
Issued: 8 pm Thu 22 Oct Local Time
Updates in:
hr min s
Update imminent 

Days 1–4 Weather Summary

A heavy fall of snow, heaviest during Thu night. Temperatures will be below freezing (max 0°C on Fri night, min -11°C on Thu night). Winds increasing (moderate winds from the WSW on Fri night, near gales from the WSW by Sat night).

Days 5–7 Weather Summary

A moderate fall of snow, heaviest on Sun night. Freeze-thaw conditions (max 3°C on Tue morning, min -8°C on Mon morning). Winds decreasing (fresh winds from the SW on Mon morning, light winds from the SW by Mon night).

Friday
23
Saturday
24
Sunday
25
Monday
26
Tuesday
27
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
heavy snow
snow showers
cloud
part cloud
snow showers
light snow
light snow
cloud
light snow
mod snow
snow showers
clear
clear
clear
clear
clear
heavy snow
snow shwrs
cloudy
some clouds
snow shwrs
light snow
light snow
cloudy
light snow
mod. snow
snow shwrs
clear
clear
clear
clear
clear
Cloud base (m)
300
350
400
300
300
350
300
300
300
300
300
350
350
350
500
km/h
45
SW
40
SW
35
SW
35
WSW
40
W
35
W
55
WSW
30
W
30
W
25
WSW
35
SW
20
S
10
SW
20
SSW
20
SW
20
WSW
Weather map
Weather map
Weather map
Weather map
Weather map
Weather map
Snowflake cm
11
1
—
—
1
5
4
—
1
10
2
—
—
—
—
—
 mm
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
max °C
-9
-7
-3
0
0
-2
-1
-1
-2
-5
-4
-2
0
3
2
1
min °C
-11
-9
-5
-1
-1
-3
-3
-1
-4
-7
-8
-2
-1
2
2
0
 chill °C
-21
-19
-14
-8
-9
-12
-12
-8
-11
-16
-18
-8
-6
-2
-3
-4
Freezing level m
0
0
0
550
950
500
300
750
700
0
0
0
0
0
2150
0
Sea lvl1000m2000m3000m4000m5000m
-14-10-6-2-3-5-4-4-6-9-9-4-1320-10-8-4-1-1-3-2-1-3-6-6-2-1321-7-6-3-11-1-110-3-4-1-311-1-3-4-2132132-1-1-1-5-10-1
Sunrise
—
5:07
—
—
5:03
—
—
5:01
—
—
4:56
—
—
4:52
—
—
Sunset
—
—
8:51
—
—
8:54
—
—
8:58
—
—
—
9:01
—
—
9:05

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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 Thu night. Temperatures will be below freezing (max 0°C on Fri night, min -11°C on Thu night). Winds increasing (moderate winds from the WSW on Fri night, near gales from the WSW by Sat night).

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

A moderate fall of snow, heaviest on Sun night. Freeze-thaw conditions (max 3°C on Tue morning, min -8°C on Mon morning). Winds decreasing (fresh winds from the SW on Mon morning, light winds from the SW by Mon 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
Marambio Airport (Seymour Island)
340 km E
232m alt.
2 hours ago
clear
-
41
Strong winds from the SW
(41 kph at 230).
0.0 km
BaseMarambio
344 km E
200m alt.
3 hours ago
0°C
-
46
Strong winds from the SW
(46 kph at 230).
35 km
Mid: mostly cloudy
BaseEsperanza
360 km ENE
24m alt.
3 hours ago
2°C
-
35
Fresh winds from the SW
(35 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.
3 hours ago
-1°C
cloudy
Dry and cloudy.
57
Near gales from the WSW
(57 kph at 240).
10.0 km
Low: overcast
BaseCarlini
378 km NE
11m alt.
3 hours ago
-1°C
-
52
Near gales from the W
(52 kph at 270).
30 km
Mid: overcast
Dinamet
379 km NE
52m alt.
1 hour ago
-3°C
No report.
22
Moderate winds from the WNW
(22 kph at 300).
BaseSanMartin
403 km S
7m alt.
3 hours ago
-2°C
moderate snow
Snow
33
Fresh winds from the NW
(33 kph at 320).
40 km
Mid: overcast
ASCATB310E62S
797 km ENE
15m alt.
3 hours ago
54
Near gales from the W
(54 kph at 259).
- km
ASCATB311E62S
819 km ENE
15m alt.
3 hours ago
50
Strong winds from the W
(50 kph at 261).
- 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.