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

Mount William (Antarctica)
Weather Forecast, Antarctica

Issued: 2 am Mon 18 May Local Time
Updates in:
hr min s
Update imminent

Days 1–3 Weather Summary

Light rain (total 2mm) at first, then becoming colder with a dusting of snow on Wed night. Freeze-thaw conditions (max 3°C on Wed afternoon, min -13°C on Mon morning). Winds increasing (light winds from the SW on Tue morning, fresh winds from the SW by Wed morning).

Days 4–6 Weather Summary

A heavy fall of snow, heaviest during Sat morning. Temperatures will be below freezing (max 0°C on Thu morning, min -10°C on Sat afternoon). Winds increasing (light winds from the NNW on Thu afternoon, extremely windy from the WSW 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
part cloud
cloud
part cloud
light rain
light snow
cloud
cloud
heavy snow
light snow
light snow
mod snow
heavy snow
mod snow
heavy snow
clear
clear
clear
some clouds
some clouds
cloudy
some clouds
light rain
light snow
cloudy
cloudy
heavy snow
light snow
light snow
mod. snow
heavy snow
mod. snow
heavy snow
km/h
15
SSE
15
SSE
15
S
15
SSW
15
SW
15
WSW
35
SW
25
WSW
20
WNW
25
WSW
15
W
20
NE
40
SW
25
SW
15
WNW
60
WNW
70
WNW
60
SW
Snow map
Snow map
Snow map
Snow map
Snow map
Snow map
2
19
5
3
7
16
9
14
1.4
0.6
max °C
-13
-13
-10
-8
-6
0
2
3
3
0
0
-1
-7
-7
-5
-4
-9
-10
min °C
-13
-13
-12
-9
-8
-5
1
3
1
-1
-2
-5
-8
-8
-7
-7
-10
-10
-21
-21
-20
-15
-14
-12
-6
-2
-5
-6
-7
-14
-17
-16
-14
-18
-24
-25
0
0
0
0
0
0
1600
1900
1750
1000
600
550
0
0
0
250
0
0
Cloud base (m)
500
4050
8650
6000
750
350
350
500
300
300
250
250
300
300
200
200
250
Sea lvl1000m2000m3000m4000m5000m
-16-16-14-10-7-4110-2-4-5-11-10-8-10-14-15-13-13-11-9-7-3232-1-1-3-8-8-6-6-10-10-12-12-11-10-8-324312-1-5-5-4-3-6-7-11-12-11-10-9-3254342-2-3-20-3-3
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 2mm) at first, then becoming colder with a dusting of snow on Wed night. Freeze-thaw conditions (max 3°C on Wed afternoon, min -13°C on Mon morning). Winds increasing (light winds from the SW on Tue morning, fresh winds from the SW by Wed morning).

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

A heavy fall of snow, heaviest during Sat morning. Temperatures will be below freezing (max 0°C on Thu morning, min -10°C on Sat afternoon). Winds increasing (light winds from the NNW on Thu afternoon, extremely windy from the WSW 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
Captain Arturo Prat Base
323 km NE
111m alt.
1 hour ago
-6° C
heavy snow
Heavy drifting snow, below eye level.
61
Near gales from the E
(61 kph at 90).
26 km
Mid: overcast
Marambio Airport (Seymour Island)
340 km E
232m alt.
2 hours ago
-15° C
moderate snow
Moderate snow.
41
Strong winds from the S
(41 kph at 170).
0.5 km
Mid: overcast
BaseMarambio
344 km E
200m alt.
1 hour ago
-15° C
moderate snow
Continuous moderate snow.
33
Fresh winds from the S
(33 kph at 180).
0.5 km
Mid: overcast
BaseEsperanza
360 km ENE
24m alt.
1 hour ago
-11° C
moderate snow
Continuous moderate snow.
44
Strong winds from the S
(44 kph at 180).
0.1 km
Mid: overcast
CentroMet.Antártico Presidente Eduardo Frei
372 km NE
48m alt.
1 hour ago
-7° C
moderate snow
Slight to moderate drifting snow, above eye level.
65
Gales from the E
(65 kph at 100).
1.0 km
Mid: overcast
Teniente R. Marsh Airport
372 km NE
45m alt.
1 hour ago
-7° C
moderate snow
Blowing moderate snow.
65
Gales from the E
(65 kph at 100).
1.0 km
Low: few
Mid: broken
High: overcast
BaseCarlini
378 km NE
11m alt.
1 hour ago
-8° C
moderate snow
Continuous moderate snow.
61
Near gales from the ESE
(61 kph at 110).
<100m
Mid: overcast
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.
1 hour ago
-6° C
-
26
Moderate winds from the ESE
(26 kph at 110).
40 km
Mid: few
BaseOrcadas
1062 km ENE
8m alt.
1 hour ago
-11° C
State of sky unchanged.
Wind obs. (7 kph from 140 degs) was rejected.
40 km
Mid: overcast

* 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.