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

Mount William (Antarctica)
Weather Forecast, Antarctica

Issued: 2 pm Wed 15 Jul Local Time
Updates in:
hr min s
Update imminent

Days 1–4 Weather Summary

A heavy fall of snow, heaviest during Fri afternoon. Temperatures will be well below freezing (max -8°C on Fri afternoon, min -22°C on Wed afternoon). Winds increasing (light winds from the SSW on Wed night, strong winds from the WNW by Fri afternoon).

Days 5–7 Weather Summary

A dusting of new snow. Extremely cold (max -11°C on Mon night, min -21°C on Sat night). Winds increasing (light winds from the SSW on Sat afternoon, strong winds from the SW by Mon afternoon).

Wed
15
Thursday
16
Friday
17
Saturday
18
Sunday
19
Monday
20
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
part cloud
part cloud
light snow
part cloud
part cloud
light snow
heavy snow
heavy snow
mod snow
light snow
part cloud
part cloud
part cloud
part cloud
clear
part cloud
clear
some clouds
some clouds
light snow
some clouds
some clouds
light snow
heavy snow
heavy snow
mod. snow
light snow
some clouds
some clouds
some clouds
some clouds
clear
some clouds
clear
km/h
20
SW
5
SSW
5
E
20
SSW
25
WSW
25
W
40
WNW
30
WNW
20
NW
15
WSW
25
SSW
20
SW
20
SW
20
SW
25
SW
40
SW
25
SSW
Weather map
Weather map
Weather map
Weather map
Weather map
Weather map
Snowflake cm
1
1
15
28
9
2
 mm
max °C
-22
-18
-18
-19
-16
-10
-8
-8
-8
-13
-16
-20
-19
-15
-15
-16
-11
min °C
-22
-21
-18
-20
-20
-14
-8
-8
-11
-15
-21
-21
-20
-18
-17
-16
-15
 chill °C
-33
-30
-23
-31
-32
-24
-18
-16
-18
-22
-31
-32
-31
-29
-30
-29
-26
Freezing level m
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Cloud base (m)
1250
2000
550
300
350
350
300
250
250
300
400
650
400
350
350
300
300
Sea lvl1000m2000m3000m4000m5000m
-26-24-22-23-20-15-12-13-13-17-22-23-21-17-17-16-14-22-20-18-20-18-12-8-8-10-14-19-21-20-17-16-16-13-21-19-16-18-16-10-6-5-8-12-17-19-18-17-15-15-14-19-18-14-15-14-8-3-2-5-10-16-17-17-16-14-14-16
Sunrise
10:49
10:47
10:44
10:41
10:38
Sunset
3:48
3:52
3:53
3:56
4:00
4:02

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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 Fri afternoon. Temperatures will be well below freezing (max -8°C on Fri afternoon, min -22°C on Wed afternoon). Winds increasing (light winds from the SSW on Wed night, strong winds from the WNW by Fri afternoon).

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

A dusting of new snow. Extremely cold (max -11°C on Mon night, min -21°C on Sat night). Winds increasing (light winds from the SSW on Sat afternoon, strong winds from the SW by Mon afternoon).

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
-23° C
moderate snow
Low drifting moderate snow.
54
Near gales from the SSW
(54 kph at 210).
0.0 km
Low: scattered
Mid: overcast
ASCATB301E63S
350 km NE
15m alt.
2 hours ago
55
Near gales from the E
(55 kph at 87).
- km
ASCATB302E63S
362 km NE
15m alt.
2 hours ago
54
Near gales from the E
(54 kph at 92).
- km
Centro Met. Antártico Presidente Eduardo Frei
372 km NE
48m alt.
2 hours ago
-
Wind obs. (115 kph from 270 degs) was rejected.
Teniente R. Marsh Airport
372 km NE
45m alt.
2 hours ago
-11° C
snow showers
Shower light snow.
44
Strong winds from the ESE
(44 kph at 110).
1.0 km
Low: scattered
Mid: overcast
Dinamet
379 km NE
52m alt.
2 hours ago
-
22
Moderate winds from the WNW
(22 kph at 300).
ASCATB299E62S
391 km NNE
15m alt.
2 hours ago
33
Fresh winds from the SW
(33 kph at 222).
- km
ASCATB300E62S
401 km NNE
15m alt.
2 hours ago
33
Fresh winds from the SW
(33 kph at 223).
- km
ASCATB303E63S
404 km NE
15m alt.
2 hours ago
48
Strong winds from the SE
(48 kph at 126).
- km
ASCATB301E62S
431 km NE
15m alt.
2 hours ago
26
Moderate winds from the NE
(26 kph at 44).
- 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.