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

Mount William (Antarctica)
Weather Forecast, Antarctica

Issued: 2 am Sat 30 Aug Local Time
Updates in:
hr min s
Update imminent

Days 1–3 Weather Summary

A heavy fall of snow, heaviest during Sat night. Temperatures will be below freezing (max -5°C on Sat afternoon, min -12°C on Mon night). Winds decreasing (gales from the NNW on Sat afternoon, moderate winds from the N by Sun morning).

Days 4–6 Weather Summary

A light covering of new snow mostly falling on Thu night. Temperatures will be well below freezing (max -7°C on Wed night, min -14°C on Tue night). Winds increasing (light winds from the S on Tue afternoon, strong winds from the SW by Wed night).

Saturday
30
Sunday
31
Monday
1
Tuesday
2
Wednesday
3
Thursday
4
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
light snow
heavy snow
heavy snow
light snow
light snow
mod snow
mod snow
cloud
heavy snow
light snow
part cloud
part cloud
part cloud
part cloud
part cloud
cloud
light snow
light snow
light snow
heavy snow
heavy snow
light snow
light snow
mod. snow
mod. snow
cloudy
heavy snow
light snow
some clouds
some clouds
some clouds
some clouds
some clouds
cloudy
light snow
light snow
 km/h
30
NW
65
NNW
50
NW
20
N
25
N
25
NW
30
NNW
30
N
35
NNE
30
NE
10
E
20
SW
25
SW
35
WSW
40
SW
30
WSW
30
W
25
WSW
 cm 
1
13
23
1
4
9
8
16
1
1
5
 mm 
max°C
-6
-5
-6
-9
-9
-10
-10
-10
-10
-12
-13
-10
-9
-10
-7
-8
-7
-8
min°C
-7
-7
-9
-9
-9
-10
-11
-11
-12
-12
-13
-14
-10
-10
-9
-8
-8
-10
chill°C 
-16
-18
-18
-17
-17
-18
-20
-20
-23
-22
-18
-22
-19
-20
-19
-17
-17
-19
Freezing level (m
0
0
250
0
100
0
0
0
0
0
0
0
0
0
0
0
0
0
Cloud base (m)
650
450
300
400
400
600
250
250
250
300
650
350
350
350
300
300
400
250
Sea lvl1000m2000m3000m4000m5000m
-7-6-8-9-9-10-11-11-11-12-13-12-10-10-8-8-8-9-5-4-5-6-6-6-6-6-8-9-10-10-8-9-8-7-5-6-3-2-2-3-3-3-4-4-6-7-8-9-7-7-7-5-3-4-101-11-1-1-1-3-6-6-8-6-5-7-4-1-2
Sunrise
8:23
8:21
8:17
8:14
8:10
8:07
Sunset
6:06
6:08
6:12
6:15
6:17
6:21

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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 Sat night. Temperatures will be below freezing (max -5°C on Sat afternoon, min -12°C on Mon night). Winds decreasing (gales from the NNW on Sat afternoon, moderate winds from the N by Sun morning).

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

A light covering of new snow mostly falling on Thu night. Temperatures will be well below freezing (max -7°C on Wed night, min -14°C on Tue night). Winds increasing (light winds from the S on Tue afternoon, strong winds from the SW by Wed night).

This table gives the weather forecast for Mount William (Antarctica) at the specific elevation of 1600 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 5 closest weather stations

Weather StationTemp.WeatherWindGusts
Cloud
Visibility
Cloud / Visibility
Captain Arturo Prat Base
323 km NE
111m alt.
3 hours ago
-3° C
Mist
11
Light winds from the WNW
(11 kph at 300).
28 km
Mid: mostly cloudy
BaseMarambio
344 km E
200m alt.
3 hours ago
-8° C
-
30
Fresh winds from the N
(30 kph at 0).
35 km
Mid: scattered
BaseEsperanza
360 km ENE
24m alt.
3 hours ago
-5° C
-
11
Light winds from the N
(11 kph at 0).
30 km
Mid: few
BaseCarlini
378 km NE
11m alt.
3 hours ago
-3° C
Mist
19
Light winds from the NW
(19 kph at 320).
27 km
Mid: overcast
Dinamet
379 km NE
52m alt.
1 hour ago
-3° C
No report.
22
Moderate winds from the WNW
(22 kph at 300).
BaseSanMartin
403 km S
7m alt.
3 hours ago
-4° C
-
Wind obs. (9 kph from 360 degs) was rejected.
40 km
Mid: overcast
BaseOrcadas
1062 km ENE
8m alt.
3 hours ago
-15° C
-
Wind obs. (17 kph from 320 degs) was rejected.
40 km
Mid: scattered
hy2c314E59S
1077 km ENE
15m alt.
3 hours ago
38
Fresh winds from the SSW
(38 kph at 200).
- km
hy2c313E59S
1084 km ENE
15m alt.
3 hours ago
38
Fresh winds from the SSW
(38 kph at 195).
- km
hy2c312E59S
1086 km ENE
15m alt.
3 hours ago
34
Fresh winds from the SSW
(34 kph at 192).
- 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.