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

Portal Mountain
Weather Forecast, Antarctica

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

Days 1–4 Weather Summary

Mostly dry. Extremely cold (max -11°C on Tue afternoon, min -31°C on Fri morning). Winds increasing (light winds from the NNW on Tue afternoon, near gales from the W by Thu afternoon).

Days 5–7 Weather Summary

Mostly dry. Extremely cold (max -31°C on Fri afternoon, min -36°C on Sat night). Mainly fresh winds.

Tue
1
Wednesday
2
Thursday
3
Friday
4
Saturday
5
Sunday
6
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
cloud
cloud
part cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
cloud
cloud
cloud
cloudy
cloudy
some clouds
some clouds
clear
clear
clear
clear
clear
clear
clear
clear
clear
some clouds
cloudy
cloudy
cloudy
Cloud base (m)
2100
2250
5400
9450
2250
5400
km/h
10
NNW
15
WNW
25
W
35
W
40
W
50
W
55
W
40
W
35
W
35
W
25
WNW
20
WNW
20
WNW
20
WNW
20
WNW
15
WNW
15
WNW
Weather map
Weather map
Weather map
Weather map
Weather map
Weather map
Snowflake cm
 mm
max °C
-11
-14
-29
-28
-26
-26
-26
-27
-31
-31
-33
-33
-34
-35
-33
-31
-31
min °C
-12
-27
-29
-28
-27
-26
-26
-30
-31
-32
-33
-34
-35
-36
-35
-32
-32
 chill °C
-18
-41
-44
-44
-43
-43
-44
-47
-48
-48
-49
-49
-49
-51
-49
-44
-44
Freezing level m
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Sea lvl1000m2000m3000m4000m5000m
-19-21-26-25-27-29-29-29-30-29-28-28-28-29-29-32-32-17-22-28-28-28-28-28-29-31-31-31-31-32-33-32-32-33-12-21-29-28-27-26-26-29-31-32-33-34-35-36-34-32-32
Sunrise
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 -11°C on Tue afternoon, min -31°C on Fri morning). Winds increasing (light winds from the NNW on Tue afternoon, near gales from the W by Thu afternoon).

Portal Mountain Weather (Days 3-6):

Mostly dry. Extremely cold (max -31°C on Fri afternoon, min -36°C on Sat night). Mainly fresh winds.

This table gives the weather forecast for Portal Mountain at the specific elevation of 1000 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
-17°C
cloudy
Dry and cloudy.
19
Light winds from the E
(19 kph at 80).
10.0 km
Low: overcast
Jang Bogo Station
410 km NNE
29m alt.
3 hours ago
-13°C
-
4
Calm
(4 kph at 280).
40 km
Mid: overcast
1328 km S
3012m alt.
3 hours ago
-
13
Light winds from the NW
(13 kph at 320).
2.4 km
Mid: overcast
Dumont Durville
1415 km WNW
111m alt.
3 hours ago
-7°C
moderate snow
Slight to moderate drifting snow, below eye level.
67
Gales from the SE
(67 kph at 140).
35 km
Mid: overcast
1555 km S
2835m alt.
3 hours ago
-
Wind obs. (15 kph from 140 degs) was rejected.
2.4 km
Mid: overcast
Casey
2024 km W
42m alt.
3 hours ago
-14°C
State of sky unchanged.
13
Light winds from the SE
(13 kph at 130).
50 km
Mid: mostly cloudy
ASCATC223E66S
2465 km E
15m alt.
2 hours ago
39
Strong winds from the E
(39 kph at 98).
- km
ASCATC224E66S
2473 km E
15m alt.
2 hours ago
40
Strong winds from the E
(40 kph at 98).
- km
ASCATB224E66S
2487 km E
15m alt.
2 hours ago
41
Strong winds from the E
(41 kph at 94).
- km
ASCATB225E66S
2496 km E
15m alt.
2 hours ago
40
Strong winds from the E
(40 kph at 94).
- 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