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

Portal Mountain
Weather Forecast, Antarctica

Issued: 5 am Tue 01 Sep Local Time
Updates in:
hr min s
Update imminent

Days 1–3 Weather Summary

Mostly dry. Extremely cold (max -15°C on Tue afternoon, min -31°C on Thu night). Winds increasing (light winds from the NW on Tue night, gales from the WSW by Thu morning).

Days 4–6 Weather Summary

Mostly dry. Extremely cold (max -28°C on Sun morning, min -34°C on Sun night). Winds decreasing (near gales from the WSW on Fri morning, calm by Sun morning).

Tuesday
1
Wednesday
2
Thursday
3
Friday
4
Saturday
5
Sunday
6
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
cloud
cloud
cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
cloud
cloud
cloud
cloudy
cloudy
cloudy
some clouds
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
some clouds
cloudy
cloudy
cloudy
Cloud base (m)
2100
2100
2150
4750
9600
2100
km/h
20
N
20
NNW
20
WNW
45
W
55
WSW
65
WSW
75
WSW
75
WSW
55
WSW
55
WSW
55
WSW
40
WSW
35
WSW
30
WSW
10
W
5
NNW
5
ESE
10
SE
Weather map
Weather map
Weather map
Weather map
Weather map
Weather map
Snowflake cm
 mm
max °C
-16
-15
-18
-28
-27
-27
-28
-28
-28
-31
-31
-32
-32
-32
-31
-28
-29
-32
min °C
-16
-17
-27
-29
-27
-27
-28
-28
-31
-31
-32
-33
-33
-32
-32
-29
-30
-34
 chill °C
-26
-27
-43
-47
-46
-46
-49
-49
-51
-51
-52
-52
-51
-48
-41
-29
-39
-44
Freezing level m
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Sea lvl1000m2000m3000m4000m5000m
-17-18-22-26-25-27-28-28-28-29-30-31-30-29-28-28-30-33-16-16-23-29-27-27-28-28-30-31-32-33-33-32-32-29-30-33-13-12-22-29-28-26-26-27-30-32-33-35-35-35-34-28-27-31
Sunrise
10:03
9:53
9:45
9:37
9:27
9:18
Sunset
4:45
4:53
5:01
5:09
5:19
5:25

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Portal Mountain Weather (Days 0-3):

The weather forecast for Portal Mountain is: Mostly dry. Extremely cold (max -15°C on Tue afternoon, min -31°C on Thu night). Winds increasing (light winds from the NW on Tue night, gales from the WSW by Thu morning).

Portal Mountain Weather (Days 3-6):

Mostly dry. Extremely cold (max -28°C on Sun morning, min -34°C on Sun night). Winds decreasing (near gales from the WSW on Fri morning, calm by Sun 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.
1 hour ago
-21°C
cloudy
Dry and cloudy.
30
Fresh winds from the ESE
(30 kph at 110).
10.0 km
Low: overcast
Dumont Durville
1415 km WNW
111m alt.
46 minutes ago
-18°C
-
24
Moderate winds from the E
(24 kph at 100).
40 km
Mid: mostly cloudy
DomeA
1590 km SSW
4084m alt.
3 hours ago
-
Wind obs. (17 kph from 230 degs) was rejected.
ASCATC180E65S
1640 km NE
15m alt.
3 hours ago
51
Near gales from the SE
(51 kph at 136).
- km
ASCATC181E65S
1641 km NE
15m alt.
3 hours ago
51
Near gales from the SE
(51 kph at 130).
- km
ASCATC183E65S
1644 km NE
15m alt.
3 hours ago
50
Strong winds from the ESE
(50 kph at 121).
- km
ASCATC182E65S
1651 km NE
15m alt.
3 hours ago
51
Near gales from the ESE
(51 kph at 123).
- km
ASCATC184E65S
1655 km NE
15m alt.
3 hours ago
49
Strong winds from the ESE
(49 kph at 110).
- km
ASCATC185E65S
1664 km NE
15m alt.
3 hours ago
49
Strong winds from the ESE
(49 kph at 109).
- km
ASCATC180E64S
1673 km NE
15m alt.
3 hours ago
51
Near gales from the SE
(51 kph at 135).
- 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