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

Portal Mountain
Weather Forecast, Antarctica

Issued: 11 am Tue 08 Sep Local Time
Updates in:
hr min s
Update imminent

Days 1–3 Weather Summary

Mostly dry. Extremely cold (max -33°C on Thu afternoon, min -47°C on Tue morning). Winds decreasing (near gales from the WSW on Tue night, calm by Thu morning).

Days 4–6 Weather Summary

Mostly dry. Extremely cold (max -28°C on Sun night, min -35°C on Sat night). Winds increasing (light winds from the SW on Sat night, near gales from the SW by Sun night).

Tuesday
8
Wednesday
9
Thursday
10
Friday
11
Saturday
12
Sunday
13
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
clear
clear
clear
clear
part cloud
cloud
cloud
cloud
cloud
cloud
cloud
part cloud
part cloud
clear
clear
cloud
cloud
clear
clear
clear
clear
clear
some clouds
cloudy
cloudy
cloudy
cloudy
cloudy
cloudy
some clouds
some clouds
clear
clear
cloudy
cloudy
clear
Cloud base (m)
2050
2150
5300
2100
2100
2100
2100
2200
3500
3600
3500
2200
2100
2650
km/h
20
WSW
40
WSW
45
WSW
15
NW
15
NW
10
NNW
5
WNW
5
SW
15
SSW
15
SSW
15
SW
20
WSW
20
WSW
20
WSW
15
SW
20
SSW
25
SSW
35
SW
Weather map
Weather map
Weather map
Weather map
Weather map
Weather map
Snowflake cm
 mm
max °C
-45
-43
-40
-39
-38
-35
-34
-33
-33
-33
-32
-32
-33
-34
-35
-33
-30
-28
min °C
-47
-44
-42
-40
-38
-37
-35
-33
-33
-33
-32
-32
-33
-34
-35
-34
-31
-30
 chill °C
-64
-66
-66
-54
-50
-48
-35
-41
-44
-46
-44
-46
-47
-48
-48
-48
-46
-50
Freezing level m
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Sea lvl1000m2000m3000m4000m5000m
-46-44-40-37-37-35-34-33-33-32-31-30-31-32-32-32-29-27-46-44-41-40-38-36-35-33-33-33-32-32-33-34-35-34-31-29-46-43-42-42-40-36-34-33-33-34-34-35-36-37-40-36-32-33
Sunrise
9:03
8:53
8:45
8:37
8:30
8:22
Sunset
5:42
5:49
5:57
6:04
6:12
6:19

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Portal Mountain Weather (Days 0-3):

The weather forecast for Portal Mountain is: Mostly dry. Extremely cold (max -33°C on Thu afternoon, min -47°C on Tue morning). Winds decreasing (near gales from the WSW on Tue night, calm by Thu morning).

Portal Mountain Weather (Days 3-6):

Mostly dry. Extremely cold (max -28°C on Sun night, min -35°C on Sat night). Winds increasing (light winds from the SW on Sat night, near gales from the SW by Sun 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
-30°C
clear
Clear
15
Light winds from the N.(Wind varies from 350 to 060 degs)
(15 kph at 10).
10.0 km
1328 km S
3012m alt.
3 hours ago
-
6
Light winds from the E
(6 kph at 90).
9.0 km
Mid: few
ASCATB128E64S
1869 km WNW
15m alt.
3 hours ago
58
Near gales from the SE
(58 kph at 126).
- km
ASCATB127E64S
1882 km WNW
15m alt.
3 hours ago
61
Near gales from the ESE
(61 kph at 119).
- km
ASCATB126E64S
1891 km WNW
15m alt.
3 hours ago
61
Near gales from the ESE
(61 kph at 117).
- km
ASCATB125E64S
1897 km WNW
15m alt.
3 hours ago
59
Near gales from the ESE
(59 kph at 119).
- km
ASCATB129E63S
1939 km WNW
15m alt.
3 hours ago
60
Near gales from the SE
(60 kph at 133).
- km
ASCATB128E63S
1945 km WNW
15m alt.
3 hours ago
56
Near gales from the SE
(56 kph at 132).
- km
ASCATB124E64S
1971 km W
15m alt.
3 hours ago
49
Strong winds from the SE
(49 kph at 125).
- km
ASCATB127E63S
1974 km WNW
15m alt.
3 hours ago
54
Near gales from the SE
(54 kph at 136).
- 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