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

Portal Mountain
Weather Forecast, Antarctica

Issued: 11 am Mon 20 Apr Local Time
Updates in:
hr min s
Update imminent

Days 1–3 Weather Summary

Mostly dry. Extremely cold (max -27°C on Mon morning, min -31°C on Wed night). Mainly near gales.

Days 4–6 Weather Summary

Mostly dry. Extremely cold (max -32°C on Thu morning, min -38°C on Sat night). Winds decreasing (fresh winds from the SW on Thu morning, calm by Fri night).

Monday
20
Tuesday
21
Wednesday
22
Thursday
23
Friday
24
Saturday
25
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
cloud
cloud
cloud
cloud
part cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
cloudy
cloudy
cloudy
cloudy
some clouds
some clouds
 km/h
55
SW
55
SW
50
SW
45
SW
40
SW
50
SW
45
SW
40
SW
40
SW
30
SW
20
SW
5
SSE
5
E
5
NNE
5
SE
10
SSW
10
SSW
5
NW
max °C
-27
-27
-27
-28
-28
-28
-29
-29
-30
-32
-34
-35
-34
-33
-33
-35
-36
-36
min °C
-27
-27
-27
-28
-28
-28
-29
-29
-31
-33
-35
-36
-35
-34
-34
-35
-36
-38
-46
-45
-45
-46
-45
-46
-47
-46
-48
-49
-46
-43
-42
-41
-40
-46
-46
-54
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Cloud base (m)
2200
2150
2150
2100
2100
2100
2100
2050
Sea lvl1000m2000m3000m4000m5000m
-26-25-25-25-25-26-27-27-29-31-33-34-35-35-35-36-37-36-27-27-27-28-28-28-29-29-31-33-35-36-35-34-34-35-36-37-28-28-29-30-30-30-31-31-33-35-36-37-33-31-31-33-35-38
Sunrise
11:25
11:40
11:56
12:18
12:51
12:00
Sunset
3:17
3:00
2:44
2:22
1:48
12:00

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Portal Mountain Weather (Days 0-3):

The weather forecast for Portal Mountain is: Mostly dry. Extremely cold (max -27°C on Mon morning, min -31°C on Wed night). Mainly near gales.

Portal Mountain Weather (Days 3-6):

Mostly dry. Extremely cold (max -32°C on Thu morning, min -38°C on Sat night). Winds decreasing (fresh winds from the SW on Thu morning, calm by Fri night).

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
-27° C
clear
Clear
Wind obs. (13 kph from 100 degs) was rejected.
10.0 km
1328 km S
3012m alt.
3 hours ago
-
Wind obs. (9 kph from 50 degs) was rejected.
3.2 km
Mid: scattered
ASCATB127E65S
1832 km WNW
15m alt.
2 hours ago
21
Moderate winds from the WNW
(21 kph at 301).
- km
ASCATB126E65S
1840 km WNW
15m alt.
2 hours ago
21
Moderate winds from the NNW
(21 kph at 328).
- km
ASCATB124E65S
1844 km W
15m alt.
2 hours ago
18
Light winds from the NW
(18 kph at 310).
- km
ASCATB125E65S
1845 km W
15m alt.
2 hours ago
19
Light winds from the NW
(19 kph at 312).
- km
ASCATB123E65S
1861 km W
15m alt.
2 hours ago
12
Light winds from the NNW
(12 kph at 345).
- km
ASCATB127E64S
1865 km WNW
15m alt.
2 hours ago
15
Light winds from the N
(15 kph at 1).
- km
ASCATB122E65S
1880 km W
15m alt.
2 hours ago
9
Light winds from the E
(9 kph at 80).
- km
ASCATB126E64S
1889 km WNW
15m alt.
2 hours ago
16
Light winds from the NNE
(16 kph at 13).
- 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