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

Portal Mountain
Weather Forecast, Antarctica

Issued: 11 pm Sun 30 Aug Local Time
Updates in:
hr min s
Update imminent

Days 1–4 Weather Summary

Mostly dry. Extremely cold (max -17°C on Tue morning, min -30°C on Wed morning). Winds increasing (calm on Sun night, gales from the WSW by Wed afternoon).

Days 5–7 Weather Summary

Mostly dry. Extremely cold (max -30°C on Wed night, min -37°C on Sat morning). Winds decreasing (severe gales from the WSW on Wed night, light winds from the WSW by Sat afternoon).

Monday
31
Tuesday
1
Wednesday
2
Thursday
3
Friday
4
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
cloud
cloud
cloud
cloud
cloud
cloud
part cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
cloudy
cloudy
cloudy
cloudy
cloudy
cloudy
some clouds
some clouds
clear
clear
clear
clear
clear
clear
clear
clear
Cloud base (m)
2100
2100
2100
2100
2100
2200
4650
km/h
5
N
10
ESE
10
E
10
NNE
15
N
20
NW
20
W
40
WSW
60
WSW
80
WSW
70
WSW
70
WSW
65
SW
55
SW
55
SW
40
WSW
Weather map
Weather map
Weather map
Weather map
Weather map
Weather map
Snowflake cm
 mm
max °C
-21
-21
-21
-18
-17
-18
-22
-29
-29
-30
-34
-34
-35
-35
-34
-34
min °C
-24
-22
-22
-20
-17
-19
-28
-30
-29
-34
-34
-35
-35
-35
-34
-36
 chill °C
-31
-30
-30
-27
-26
-28
-43
-49
-49
-58
-57
-58
-58
-57
-56
-54
Freezing level m
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Sea lvl1000m2000m3000m4000m5000m
-24-23-22-20-19-20-23-27-27-32-35-34-35-34-33-33-23-22-22-19-17-19-25-30-29-32-34-35-35-35-34-35-20-18-19-17-14-16-25-30-30-31-32-34-35-35-35-38
Sunrise
10:12
10:03
9:53
9:45
9:37
Sunset
4:36
4:45
4:53
5:01
5:09

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Portal Mountain Weather (Days 0-3):

The weather forecast for Portal Mountain is: Mostly dry. Extremely cold (max -17°C on Tue morning, min -30°C on Wed morning). Winds increasing (calm on Sun night, gales from the WSW by Wed afternoon).

Portal Mountain Weather (Days 3-6):

Mostly dry. Extremely cold (max -30°C on Wed night, min -37°C on Sat morning). Winds decreasing (severe gales from the WSW on Wed night, light winds from the WSW by Sat afternoon).

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
-24°C
cloudy
Dry and cloudy.
26
Moderate winds from the E
(26 kph at 90).
10.0 km
Low: overcast
Dumont Durville
1415 km WNW
111m alt.
3 hours ago
-20°C
-
17
Light winds from the S
(17 kph at 190).
Casey
2024 km W
42m alt.
3 hours ago
-24°C
-
13
Light winds from the ENE
(13 kph at 60).
Mid: mostly cloudy
ASCATC118E62S
2330 km W
15m alt.
2 hours ago
17
Light winds from the NW
(17 kph at 304).
- km
ASCATB116E62S
2339 km W
15m alt.
3 hours ago
34
Fresh winds from the NW
(34 kph at 325).
- km
ASCATC117E62S
2370 km W
15m alt.
2 hours ago
19
Light winds from the NNW
(19 kph at 332).
- km
ASCATC116E62S
2387 km W
15m alt.
2 hours ago
27
Moderate winds from the NNW
(27 kph at 339).
- km
ASCATC115E62S
2404 km W
15m alt.
2 hours ago
26
Moderate winds from the NNW
(26 kph at 341).
- km
ASCATB115E62S
2411 km W
15m alt.
3 hours ago
27
Moderate winds from the NNW
(27 kph at 340).
- km
ASCATB114E62S
2426 km W
15m alt.
3 hours ago
24
Moderate winds from the NNW
(24 kph at 339).
- 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