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

Mount William (Antarctica) Weather Forecast

Trojan Range · Antarctica
Issued: 8 am Fri 25 Sep Local Time
Updates in:
hr min s
Update imminent 

Days 1–3 Weather Summary

A heavy fall of snow, heaviest during Sat afternoon. Temperatures will be well below freezing (max -8°C on Sun morning, min -22°C on Fri morning). Winds increasing (moderate winds from the SW on Fri night, near gales from the WSW by Sat afternoon).

Days 4–6 Weather Summary

A heavy fall of snow, heaviest during Tue afternoon. Temperatures will be below freezing (max -5°C on Mon night, min -13°C on Tue night). Winds decreasing (near gales from the SW on Tue afternoon, light winds from the SW by Wed morning).

Friday
25
Saturday
26
Sunday
27
Monday
28
Tuesday
29
Wednesday
30
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
light snow
light snow
light snow
light snow
snow showers
snow showers
light snow
mod snow
snow showers
clear
part cloud
light snow
light snow
heavy snow
snow showers
clear
part cloud
clear
light snow
light snow
light snow
light snow
snow shwrs
snow shwrs
light snow
mod. snow
snow shwrs
clear
some clouds
light snow
light snow
heavy snow
snow shwrs
clear
some clouds
clear
Cloud base (m)
250
300
300
450
300
350
400
300
350
350
400
350
300
300
350
350
km/h
25
WSW
30
WSW
20
SW
35
WSW
45
WNW
35
WSW
30
W
40
WSW
45
SW
45
SW
30
SW
25
WSW
25
WSW
55
W
20
SSW
15
S
10
WSW
40
SW
Weather map
Weather map
Weather map
Weather map
Weather map
Weather map
Snowflake cm
2
2
1
1
11
1
2
8
2
—
—
3
3
15
4
—
—
—
 mm
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
max °C
-21
-21
-15
-10
-9
-14
-8
-8
-11
-9
-9
-5
-7
-7
-9
-5
-6
-7
min °C
-22
-21
-20
-12
-9
-15
-12
-10
-14
-10
-9
-7
-8
-7
-13
-6
-7
-9
 chill °C
-35
-34
-31
-23
-20
-27
-22
-22
-26
-21
-18
-15
-16
-18
-21
-12
-13
-20
Freezing level m
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Sea lvl1000m2000m3000m4000m5000m
-24-24-19-15-13-17-13-13-15-11-11-8-10-11-13-8-8-9-22-21-18-11-9-15-10-9-13-10-9-6-8-7-11-6-7-8-18-17-16-10-6-12-7-6-9-9-7-5-4-4-9-6-6-8-14-13-14-8-3-9-5-2-6-8-6-3-10-7-5-5-10
Sunrise
6:50
—
—
6:47
—
—
6:43
—
—
6:39
—
—
6:35
—
—
6:31
—
—
Sunset
—
7:22
—
—
7:25
—
—
7:29
—
—
7:31
—
—
7:35
—
—
7:37
—

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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 Sat afternoon. Temperatures will be well below freezing (max -8°C on Sun morning, min -22°C on Fri morning). Winds increasing (moderate winds from the SW on Fri night, near gales from the WSW by Sat afternoon).

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

A heavy fall of snow, heaviest during Tue afternoon. Temperatures will be below freezing (max -5°C on Mon night, min -13°C on Tue night). Winds decreasing (near gales from the SW on Tue afternoon, light winds from the SW by Wed 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
Marambio Airport (Seymour Island)
340 km E
232m alt.
2 hours ago
-26°C
clear
Fog freezing -.
46
Strong winds from the SSW
(46 kph at 200).
0.0 km
Mid: broken
BaseMarambio
344 km E
200m alt.
3 hours ago
-25°C
moderate snow
Slight to moderate drifting snow, below eye level.
57
Near gales from the SSW
(57 kph at 200).
4.0 km
Mid: few
BaseMarambio
344 km E
200m alt.
32 minutes ago
-25°C
Fog, sky visible, thinning.
52
Near gales from the SSW
(52 kph at 210).
0.8 km
Mid: mostly cloudy
BaseEsperanza
360 km ENE
24m alt.
3 hours ago
-21°C
light snow
Intermittent light snow.
44
Strong winds from the SW
(44 kph at 230).
0.1 km
Mid: overcast
Centro Met. Antártico Presidente Eduardo Frei
372 km NE
48m alt.
2 hours 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
-8°C
clear
Shower - in the vicinity.
50
Strong winds from the SW
(50 kph at 230).
6.0 km
Low: scattered
Mid: broken
BaseCarlini
378 km NE
11m alt.
3 hours ago
-9°C
moderate snow
Continuous moderate snow.
15
Light winds from the SW
(15 kph at 230).
1.0 km
Mid: overcast
Dinamet
379 km NE
52m alt.
2 hours ago
-3°C
No report.
Wind obs. (22 kph from 300 degs) was rejected.
BaseSanMartin
403 km S
7m alt.
3 hours ago
-14°C
heavy snow
Continuous heavy snow.
31
Fresh winds from the NW
(31 kph at 320).
0.4 km
Mid: overcast
hy2c304E62S
483 km ENE
15m alt.
2 hours ago
41
Strong winds from the SE
(41 kph at 140).
- 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.