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

Mount William (Antarctica)
Weather Forecast, Antarctica

Issued: 8 am Wed 20 May Local Time
Updates in:
hr min s
Update imminent

Days 1–3 Weather Summary

Mild at first with light rain (total 5mm) on Wed night followed by colder weather and light fall of snow, heaviest on Fri morning. Freeze-thaw conditions (max 3°C on Wed morning, min -11°C on Fri afternoon). Winds increasing (light winds from the WSW on Thu afternoon, strong winds from the SW by Fri morning).

Days 4–6 Weather Summary

A heavy fall of snow, heaviest during Sat morning. Temperatures will be below freezing (max -1°C on Mon night, min -12°C on Sun afternoon). Winds decreasing (stormy winds from the WNW on Sat night, calm by Mon morning).

Wednesday
20
Thursday
21
Friday
22
Saturday
23
Sunday
24
Monday
25
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
cloud
light rain
light snow
cloud
cloud
light snow
mod snow
light snow
light snow
heavy snow
heavy snow
heavy snow
light snow
part cloud
part cloud
cloud
cloud
light snow
cloudy
light rain
light snow
cloudy
cloudy
light snow
mod. snow
light snow
light snow
heavy snow
heavy snow
heavy snow
light snow
some clouds
some clouds
cloudy
cloudy
light snow
km/h
30
SW
25
W
25
WSW
25
SW
10
SW
10
SW
40
SW
40
WSW
20
W
35
WNW
45
WNW
85
WNW
30
WSW
25
SW
20
SW
5
W
5
NNW
20
N
Snow map
Snow map
Snow map
Snow map
Snow map
Snow map
1
1
6
2
4
23
17
16
3
3
1.7
3
max °C
3
3
3
-1
0
0
-8
-10
-5
-3
-2
-4
-11
-11
-7
-7
-5
-1
min °C
2
3
0
-1
0
-3
-10
-11
-9
-4
-3
-9
-11
-12
-10
-7
-7
-4
-4
-2
-6
-7
-4
-10
-21
-22
-18
-12
-12
-20
-21
-22
-18
-10
-10
-10
1750
1900
1600
700
950
850
0
0
0
200
400
0
0
0
0
0
0
50
Cloud base (m)
350
300
300
300
300
250
300
350
300
300
250
250
300
300
300
4750
450
Sea lvl1000m2000m3000m4000m5000m
22-1-3-2-5-11-13-9-6-5-10-14-13-10-8-8-5332-10-2-9-11-7-4-3-7-11-12-9-7-6-3343120-5-7-5-1-1-4-8-9-8-7-6-1254332-2-4-3130-4-6-8-7-50
Sunrise
10:21
10:23
10:26
10:30
10:33
10:36
Sunset
4:00
3:56
3:53
3:51
3:48
3:45

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

The weather forecast for Mount William (Antarctica) is: Mild at first with light rain (total 5mm) on Wed night followed by colder weather and light fall of snow, heaviest on Fri morning. Freeze-thaw conditions (max 3°C on Wed morning, min -11°C on Fri afternoon). Winds increasing (light winds from the WSW on Thu afternoon, strong winds from the SW by Fri morning).

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 Mon night, min -12°C on Sun afternoon). Winds decreasing (stormy winds from the WNW on Sat night, calm by Mon 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
clear
-
24
Moderate winds from the N
(24 kph at 0).
0.0 km
Centro Met. Antártico Presidente Eduardo Frei
372 km NE
48m alt.
47 minutes 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
-1° C
clear
Mist -.
30
Fresh winds from the N
(30 kph at 0).
2.5 km
Low: few
Mid: overcast
Dinamet
379 km NE
52m alt.
47 minutes ago
-3° C
No report.
22
Moderate winds from the WNW
(22 kph at 300).
ASCATB288E63S
476 km W
15m alt.
2 hours ago
34
Fresh winds from the NW
(34 kph at 326).
- km
ASCATB287E64S
485 km WSW
15m alt.
2 hours ago
35
Fresh winds from the NW
(35 kph at 325).
- km
ASCATB289E62S
491 km WNW
15m alt.
2 hours ago
32
Fresh winds from the NW
(32 kph at 307).
- km
ASCATB287E63S
493 km W
15m alt.
2 hours ago
33
Fresh winds from the NW
(33 kph at 326).
- km
ASCATB288E62S
505 km W
15m alt.
2 hours ago
35
Fresh winds from the NW
(35 kph at 315).
- km
ASCATB286E64S
508 km WSW
15m alt.
2 hours ago
35
Fresh winds from the NNW
(35 kph at 331).
- 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.