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

Portal Mountain
Weather Forecast, Antarctica

Issued: 11 pm Wed 05 Aug Local Time
Updates in:
hr min s
Update imminent

Days 1–4 Weather Summary

Mostly dry. Extremely cold (max -24°C on Fri morning, min -29°C on Wed night). Winds decreasing (strong winds from the SW on Thu night, light winds from the W by Fri night).

Days 5–7 Weather Summary

Mostly dry. Extremely cold (max -23°C on Tue afternoon, min -33°C on Sat night). Winds increasing (calm on Sat night, gales from the SW by Mon night).

Thursday
6
Friday
7
Saturday
8
Sunday
9
Monday
10
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
part cloud
clear
clear
clear
clear
clear
clear
part cloud
cloud
cloud
part cloud
part cloud
clear
clear
clear
clear
some clouds
clear
clear
clear
clear
clear
clear
some clouds
cloudy
cloudy
some clouds
some clouds
clear
clear
clear
clear
Cloud base (m)
2150
2150
2150
2100
2150
2050
2100
4700
km/h
30
SW
15
SW
10
WNW
20
WSW
35
WSW
40
WSW
20
WSW
5
NNW
10
N
5
NE
5
WSW
5
WSW
15
WSW
30
WSW
40
WSW
65
SW
Weather map
Weather map
Weather map
Weather map
Weather map
Weather map
Snowflake cm
 mm
max °C
-27
-29
-29
-25
-24
-25
-26
-28
-29
-30
-33
-33
-30
-29
-28
-27
min °C
-29
-29
-29
-29
-24
-26
-27
-28
-29
-33
-33
-33
-33
-29
-28
-28
 chill °C
-42
-39
-39
-40
-38
-42
-40
-35
-38
-33
-33
-41
-43
-44
-45
-47
Freezing level m
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Sea lvl1000m2000m3000m4000m5000m
-27-26-26-24-22-23-24-26-29-32-33-32-30-26-24-25-28-29-29-27-24-26-27-28-29-32-33-33-32-29-28-28-30-32-32-30-27-28-30-30-28-30-32-33-33-33-34-30
Sunrise
12:00
12:00
12:00
12:00
12:00
Sunset
12:00
12:00
12:00
12:00
12:00

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Portal Mountain Weather (Days 0-3):

The weather forecast for Portal Mountain is: Mostly dry. Extremely cold (max -24°C on Fri morning, min -29°C on Wed night). Winds decreasing (strong winds from the SW on Thu night, light winds from the W by Fri night).

Portal Mountain Weather (Days 3-6):

Mostly dry. Extremely cold (max -23°C on Tue afternoon, min -33°C on Sat night). Winds increasing (calm on Sat night, gales from the SW by Mon 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.
3 hours ago
-13° C
light snow
Light snow.
Wind obs. (20 kph from 90 degs) was rejected.
6.0 km
Low: overcast
ASCATB136E64S
1810 km WNW
15m alt.
2 hours ago
44
Strong winds from the SSE
(44 kph at 151).
- km
ASCATB135E64S
1823 km WNW
15m alt.
2 hours ago
44
Strong winds from the SSE
(44 kph at 151).
- km
ASCATB134E64S
1839 km WNW
15m alt.
2 hours ago
44
Strong winds from the SSE
(44 kph at 154).
- km
ASCATB133E64S
1854 km WNW
15m alt.
2 hours ago
44
Strong winds from the SSE
(44 kph at 156).
- km
ASCATB132E64S
1874 km WNW
15m alt.
2 hours ago
40
Strong winds from the SSE
(40 kph at 148).
- km
ASCATB138E63S
1887 km WNW
15m alt.
2 hours ago
30
Fresh winds from the ESE
(30 kph at 122).
- km
ASCATB131E64S
1891 km WNW
15m alt.
2 hours ago
39
Strong winds from the SE
(39 kph at 136).
- km
ASCATB130E64S
1899 km WNW
15m alt.
2 hours ago
39
Strong winds from the SE
(39 kph at 130).
- km
ASCATB137E63S
1900 km WNW
15m alt.
2 hours ago
32
Fresh winds from the SE
(32 kph at 130).
- 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