Portal Mountain weather
– Lat/Long: 78.10° S 159.17° E

Portal Mountain
Weather Forecast, Antarctica

Issued: 11 pm Sat 22 Aug Local Time
Updates in:
hr min s
Update imminent

Days 1–4 Weather Summary

Mostly dry. Extremely cold (max -33°C on Sat night, min -38°C on Mon night). Mainly near gales.

Days 5–7 Weather Summary

A light covering of new snow mostly falling on Thu night. Extremely cold (max -22°C on Thu night, min -39°C on Wed morning). Winds increasing (calm on Wed afternoon, gales from the S by Fri morning).

Sunday
23
Monday
24
Tuesday
25
Wednesday
26
Thursday
27
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
clear
part cloud
cloud
cloud
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
cloud
cloud
light snow
clear
some clouds
cloudy
cloudy
clear
clear
clear
clear
clear
clear
clear
clear
some clouds
cloudy
cloudy
light snow
Cloud base (m)
2050
2100
2100
2100
2150
5150
2100
2100
2100
km/h
50
WSW
10
S
20
SSE
25
SSE
10
W
15
WNW
20
WNW
25
W
25
W
25
WSW
20
W
5
NW
15
SSE
30
S
35
S
50
S
Weather map
Weather map
Weather map
Weather map
Weather map
Weather map
Snowflake cm
4
 mm
max °C
-33
-34
-35
-35
-36
-37
-37
-36
-37
-37
-38
-36
-31
-28
-23
-22
min °C
-35
-34
-35
-36
-36
-37
-38
-37
-37
-38
-39
-37
-35
-29
-26
-23
 chill °C
-52
-43
-50
-52
-47
-51
-53
-53
-54
-55
-54
-45
-44
-44
-41
-41
Freezing level m
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Sea lvl1000m2000m3000m4000m5000m
-34-35-37-38-36-35-36-34-35-36-36-35-33-31-28-27-34-34-35-36-36-37-38-37-37-38-39-37-33-29-25-23-36-37-32-32-37-40-41-41-41-43-45-42-34-24-20-16
Sunrise
11:48
11:33
11:18
11:07
10:55
Sunset
3:06
3:19
3:33
3:45
3:56

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Portal Mountain Weather (Days 0-3):

The weather forecast for Portal Mountain is: Mostly dry. Extremely cold (max -33°C on Sat night, min -38°C on Mon night). Mainly near gales.

Portal Mountain Weather (Days 3-6):

A light covering of new snow mostly falling on Thu night. Extremely cold (max -22°C on Thu night, min -39°C on Wed morning). Winds increasing (calm on Wed afternoon, gales from the S by Fri morning).

This table gives the weather forecast for Portal Mountain at the specific elevation of 2000 m. Our advanced weather models allow us to provide distinct weather forecasts for several elevations of Portal Mountain. 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
Williams Field
183 km E
8m alt.
2 hours ago
-25°C
clear
Clear
Wind obs. (15 kph from 110 degs) was rejected.
10.0 km
Dumont Durville
1415 km WNW
111m alt.
3 hours ago
-13°C
-
48
Strong winds from the SE
(48 kph at 140).
DomeA
1590 km SSW
4084m alt.
1 hour ago
-
Wind obs. (9 kph from 230 degs) was rejected.
ASCATC131E64S
1832 km WNW
15m alt.
3 hours ago
24
Moderate winds from the NE
(24 kph at 56).
- km
ASCATC130E64S
1903 km WNW
15m alt.
3 hours ago
21
Moderate winds from the ENE
(21 kph at 66).
- km
ASCATB128E64S
1925 km WNW
15m alt.
3 hours ago
28
Moderate winds from the SW
(28 kph at 228).
- km
ASCATC129E64S
1927 km WNW
15m alt.
3 hours ago
13
Light winds from the SSE
(13 kph at 168).
- km
ASCATC128E64S
1940 km WNW
15m alt.
3 hours ago
24
Moderate winds from the SW
(24 kph at 227).
- km
ASCATC123E64S
1948 km W
15m alt.
3 hours ago
24
Moderate winds from the SSW
(24 kph at 213).
- km
ASCATB127E64S
1949 km WNW
15m alt.
3 hours ago
36
Fresh winds from the SW
(36 kph at 236).
- 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.

Portal Mountain Photos