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

Mount William (Antarctica)
Weather Forecast, Antarctica

Issued: 8 am Mon 18 May Local Time
Updates in:
hr min s
Update imminent

Days 1–3 Weather Summary

Light rain (total 4mm) at first, then becoming colder with a dusting of snow on Wed night. Freeze-thaw conditions (max 4°C on Wed night, min -13°C on Mon morning). Mainly fresh winds.

Days 4–6 Weather Summary

A heavy fall of snow, heaviest during Sat morning. Temperatures will be below freezing (max -1°C on Thu morning, min -12°C on Sat night). Winds increasing (light winds from the N on Thu night, severe gales from the SW by Sat night).

Monday
18
Tuesday
19
Wednesday
20
Thursday
21
Friday
22
Saturday
23
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
clear
clear
clear
part cloud
cloud
cloud
cloud
light rain
light snow
cloud
cloud
heavy snow
light snow
part cloud
snow showers
heavy snow
light snow
heavy snow
clear
clear
clear
some clouds
cloudy
cloudy
cloudy
light rain
light snow
cloudy
cloudy
heavy snow
light snow
some clouds
snow shwrs
heavy snow
light snow
heavy snow
km/h
20
SSE
20
SSE
15
S
15
SSW
15
SW
15
W
30
SW
25
WSW
25
WNW
35
SW
25
SW
25
NE
20
SE
30
SE
15
WNW
50
NNW
65
WNW
25
SW
Snow map
Snow map
Snow map
Snow map
Snow map
Snow map
3
11
1
5
20
5
16
0.6
3
max °C
-13
-13
-11
-8
-6
0
2
3
4
-1
-2
-2
-4
-4
-4
-4
-8
-8
min °C
-13
-13
-12
-9
-8
-5
1
2
0
-2
-2
-4
-5
-6
-5
-5
-9
-12
-21
-21
-20
-15
-14
-11
-5
-3
-6
-9
-8
-9
-13
-14
-10
-16
-21
-27
0
0
0
0
0
0
1650
1850
1850
750
400
550
150
0
0
50
0
0
Cloud base (m)
300
4400
5550
550
350
350
300
300
300
250
250
350
5500
300
250
250
Sea lvl1000m2000m3000m4000m5000m
-16-16-14-10-8-4010-3-3-5-8-7-7-8-13-14-13-13-12-9-7-3232-2-2-3-5-5-5-5-9-10-12-13-11-10-8-3243100-2-4-4-2-5-7-11-12-11-10-8-32442121-3-31-2-3
Sunrise
10:15
10:18
10:21
10:23
10:26
10:30
Sunset
4:06
4:02
4:00
3:56
3:53
3:51

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

The weather forecast for Mount William (Antarctica) is: Light rain (total 4mm) at first, then becoming colder with a dusting of snow on Wed night. Freeze-thaw conditions (max 4°C on Wed night, min -13°C on Mon morning). Mainly fresh winds.

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

A heavy fall of snow, heaviest during Sat morning. Temperatures will be below freezing (max -1°C on Thu morning, min -12°C on Sat night). Winds increasing (light winds from the N on Thu night, severe gales from the SW by Sat 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
-17° C
moderate snow
Blowing moderate snow.
61
Near gales from the SSW
(61 kph at 210).
0.2 km
Low: no significant cloud
BaseMarambio
344 km E
200m alt.
2 hours ago
-17° C
heavy snow
Heavy drifting snow, above eye level.
65
Gales from the SSW
(65 kph at 200).
0.2 km
Mid: scattered
BaseEsperanza
360 km ENE
24m alt.
2 hours ago
-13° C
moderate snow
Slight to moderate drifting snow, above eye level.
43
Strong winds from the SW
(43 kph at 230).
0.3 km
Mid: scattered
CentroMet.Antártico Presidente Eduardo Frei
372 km NE
48m alt.
2 hours ago
-4° C
moderate snow
No report.
115
Extremely windy from the W
(115 kph at 270).
28 km
Mid: mostly cloudy
Teniente R. Marsh Airport
372 km NE
45m alt.
2 hours ago
-8° C
moderate snow
Low drifting moderate snow.
61
Near gales from the ESE
(61 kph at 120).
8.0 km
Low: broken
Mid: broken
BaseCarlini
378 km NE
11m alt.
2 hours ago
-9° C
heavy snow
Heavy drifting snow, below eye level.
61
Near gales from the SE
(61 kph at 140).
5.0 km
Mid: scattered
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.
2 hours ago
-8° C
-
20
Moderate winds from the NE
(20 kph at 50).
40 km
Mid: scattered
ASCATC279E65S
849 km WSW
15m alt.
2 hours ago
21
Moderate winds from the W
(21 kph at 274).
- km
ASCATC279E64S
850 km WSW
15m alt.
2 hours ago
21
Moderate winds from the W
(21 kph at 276).
- 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.