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

Portal Mountain
Weather Forecast, Antarctica

Issued: 11 pm Mon 31 Aug Local Time
Updates in:
hr min s
Update imminent

Days 1–4 Weather Summary

A dusting of new snow. Extremely cold (max -15°C on Tue afternoon, min -29°C on Wed morning). Winds increasing (light winds from the NE on Mon night, severe gales from the WSW by Thu morning).

Days 5–7 Weather Summary

Mostly dry. Extremely cold (max -26°C on Sat night, min -32°C on Fri afternoon). Winds decreasing (near gales from the WSW on Thu night, calm by Sat night).

Tuesday
1
Wednesday
2
Thursday
3
Friday
4
Saturday
5
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
cloud
cloud
light snow
part cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
cloud
cloudy
cloudy
light snow
some clouds
some clouds
clear
clear
clear
clear
clear
clear
clear
clear
clear
some clouds
cloudy
Cloud base (m)
2100
2100
2100
2100
8000
7400
4500
km/h
10
NNE
20
N
20
NNW
20
WNW
45
WSW
60
WSW
70
WSW
80
WSW
75
WSW
60
WSW
50
WSW
55
WSW
40
WSW
30
WSW
20
WSW
5
WNW
Weather map
Weather map
Weather map
Weather map
Weather map
Weather map
Snowflake cm
2
 mm
max °C
-18
-16
-15
-19
-28
-27
-27
-28
-28
-29
-31
-31
-32
-31
-29
-26
min °C
-20
-16
-17
-27
-29
-27
-28
-28
-28
-30
-31
-32
-32
-31
-30
-29
 chill °C
-28
-26
-27
-43
-47
-46
-49
-50
-49
-50
-51
-52
-51
-47
-42
-37
Freezing level m
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Sea lvl1000m2000m3000m4000m5000m
-19-17-19-23-26-26-27-28-28-29-29-30-29-28-27-27-19-16-16-23-29-27-28-28-28-30-31-32-32-31-30-28-17-13-11-22-29-28-26-26-26-30-32-33-35-35-32-27
Sunrise
10:03
9:53
9:45
9:37
9:27
Sunset
4:45
4:53
5:01
5:09
5:19

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Portal Mountain Weather (Days 0-3):

The weather forecast for Portal Mountain is: A dusting of new snow. Extremely cold (max -15°C on Tue afternoon, min -29°C on Wed morning). Winds increasing (light winds from the NE on Mon night, severe gales from the WSW by Thu morning).

Portal Mountain Weather (Days 3-6):

Mostly dry. Extremely cold (max -26°C on Sat night, min -32°C on Fri afternoon). Winds decreasing (near gales from the WSW on Thu night, calm by Sat 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
-19°C
cloudy
Dry and cloudy.
31
Fresh winds from the ENE
(31 kph at 70).
10.0 km
Low: overcast
Dumont Durville
1415 km WNW
111m alt.
49 minutes ago
-15°C
-
19
Light winds from the E
(19 kph at 100).
DomeA
1590 km SSW
4084m alt.
2 hours ago
-
Wind obs. (13 kph from 230 degs) was rejected.
ASCATB148E63S
1748 km NW
15m alt.
2 hours ago
48
Strong winds from the SE
(48 kph at 137).
- km
ASCATB147E63S
1785 km NW
15m alt.
2 hours ago
35
Fresh winds from the SE
(35 kph at 134).
- km
ASCATB147E62S
1803 km NW
15m alt.
2 hours ago
38
Fresh winds from the SE
(38 kph at 139).
- km
ASCATB145E63S
1807 km NW
15m alt.
2 hours ago
34
Fresh winds from the ENE
(34 kph at 66).
- km
ASCATB144E63S
1820 km NW
15m alt.
2 hours ago
35
Fresh winds from the ENE
(35 kph at 62).
- km
ASCATB143E63S
1829 km NW
15m alt.
2 hours ago
37
Fresh winds from the ENE
(37 kph at 58).
- km
ASCATB142E63S
1837 km NW
15m alt.
2 hours ago
37
Fresh winds from the ENE
(37 kph at 57).
- 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