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

Mount William (Antarctica) Weather Forecast

Trojan Range · Antarctica
Issued: 2 pm Wed 16 Sep Local Time
Updates in:
hr min s
Update imminent

Days 1–4 Weather Summary

A heavy fall of snow, heaviest during Thu night. Temperatures will be well below freezing (max -6°C on Thu afternoon, min -16°C on Wed night). Mainly fresh winds.

Days 5–7 Weather Summary

A moderate fall of snow, heaviest on Mon night. Temperatures will be below freezing (max -4°C on Mon afternoon, min -16°C on Sat night). Wind will be generally light.

Wed
16
Thursday
17
Friday
18
Saturday
19
Sunday
20
Monday
21
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
snow showers
snow showers
light snow
mod snow
heavy snow
light snow
light snow
light snow
light snow
light snow
light snow
snow showers
part cloud
part cloud
cloud
light snow
light snow
snow shwrs
snow shwrs
light snow
mod. snow
heavy snow
light snow
light snow
light snow
light snow
light snow
light snow
snow shwrs
some clouds
some clouds
cloudy
light snow
light snow
Cloud base (m)
250
300
300
250
250
250
250
250
300
300
300
300
300
350
350
300
300
km/h
25
SW
30
SW
15
W
30
W
25
W
20
W
20
W
15
WSW
20
SW
20
SW
15
SW
20
SW
25
SW
15
SW
5
WNW
10
NW
20
NW
Weather map
Weather map
Weather map
Weather map
Weather map
Weather map
Snowflake cm
1
3
2
6
15
5
4
4
2
2
2
1
2
5
 mm
max °C
-15
-11
-8
-6
-6
-6
-8
-11
-14
-14
-15
-13
-12
-9
-5
-4
-4
min °C
-15
-16
-11
-7
-6
-7
-10
-13
-14
-14
-16
-15
-12
-13
-7
-4
-7
 chill °C
-25
-26
-18
-15
-14
-14
-18
-22
-22
-23
-24
-24
-21
-21
-10
-9
-14
Freezing level m
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Sea lvl1000m2000m3000m4000m5000m
-20-17-14-12-13-15-17-19-21-21-20-18-17-13-10-10-12-19-17-12-10-10-11-13-16-18-18-18-17-15-12-8-7-8-15-14-10-7-6-7-9-12-14-14-16-14-12-11-6-4-6-12-11-6-3-3-3-5-9-10-10-13-12-11-11-4-1-3
Sunrise
7:20
7:16
7:11
7:09
7:05
Sunset
6:55
6:59
7:01
7:05
7:07
7:10

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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 Thu night. Temperatures will be well below freezing (max -6°C on Thu afternoon, min -16°C on Wed night). Mainly fresh winds.

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

A moderate fall of snow, heaviest on Mon night. Temperatures will be below freezing (max -4°C on Mon afternoon, min -16°C on Sat night). Wind will be generally light.

This table gives the weather forecast for Mount William (Antarctica) at the specific elevation of 500 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
hy2c297E64S
141 km NNE
15m alt.
3 hours ago
59
Near gales from the SW
(59 kph at 232).
- km
hy2c296E63S
150 km N
15m alt.
3 hours ago
59
Near gales from the SW
(59 kph at 230).
- km
hy2c298E62S
313 km NNE
15m alt.
3 hours ago
57
Near gales from the WSW
(57 kph at 240).
- km
hy2c301E63S
331 km NE
15m alt.
3 hours ago
55
Near gales from the SW
(55 kph at 232).
- km
Marambio Airport (Seymour Island)
340 km E
232m alt.
2 hours ago
clear
-
24
Moderate winds from the WSW
(24 kph at 250).
0.0 km
BaseMarambio
344 km E
200m alt.
2 hours ago
-13°C
-
24
Moderate winds from the WSW
(24 kph at 250).
35 km
Mid: few
hy2c299E62S
360 km NNE
15m alt.
3 hours ago
53
Near gales from the WSW
(53 kph at 240).
- km
BaseEsperanza
360 km ENE
24m alt.
2 hours ago
-9°C
-
0
Calm
(0 kph at 0).
30 km
Mid: few
hy2c302E63S
365 km NE
15m alt.
3 hours ago
50
Strong winds from the SW
(50 kph at 230).
- km
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.

* 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.