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

Portal Mountain
Weather Forecast, Antarctica

Issued: 11 am Wed 19 Aug Local Time
Updates in:
hr min s
Update imminent

Days 1–3 Weather Summary

Mostly dry. Extremely cold (max -29°C on Thu morning, min -35°C on Fri night). Winds decreasing (severe gales from the SW on Wed night, light winds from the WSW by Fri night).

Days 4–6 Weather Summary

Mostly dry. Extremely cold (max -33°C on Sun night, min -36°C on Sat morning). Winds decreasing (strong winds from the WSW on Sat night, calm by Mon morning).

Wednesday
19
Thursday
20
Friday
21
Saturday
22
Sunday
23
Monday
24
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
cloud
clear
clear
part cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
cloud
cloud
clear
clear
cloudy
clear
clear
some clouds
some clouds
clear
clear
clear
clear
clear
clear
clear
clear
some clouds
cloudy
cloudy
clear
clear
Cloud base (m)
2150
2150
4750
2100
3550
2100
2100
2100
2150
km/h
30
SW
25
WSW
80
SW
85
SW
80
WSW
75
SW
60
SW
50
SW
15
SW
10
W
25
WSW
30
WSW
35
WSW
10
SSW
15
S
10
SSE
10
WNW
15
W
Weather map
Weather map
Weather map
Weather map
Weather map
Weather map
Snowflake cm
 mm
max °C
-32
-31
-30
-29
-29
-30
-31
-32
-33
-36
-36
-34
-35
-35
-33
-33
-35
-35
min °C
-32
-32
-31
-30
-30
-30
-31
-32
-35
-36
-36
-35
-35
-35
-35
-34
-36
-36
 chill °C
-48
-48
-52
-53
-53
-52
-52
-52
-46
-47
-52
-51
-53
-45
-48
-34
-47
-48
Freezing level m
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Sea lvl1000m2000m3000m4000m5000m
-30-30-31-30-31-31-31-32-33-34-34-34-36-36-36-35-34-32-32-32-31-30-30-30-31-32-34-36-36-35-35-35-34-34-36-36-36-35-31-29-28-31-34-35-37-39-39-39-38-37-32-32-37-39
Sunrise
12:00
12:00
12:26
12:04
11:48
11:33
Sunset
12:00
12:00
2:26
2:48
3:06
3:19

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Portal Mountain Weather (Days 0-3):

The weather forecast for Portal Mountain is: Mostly dry. Extremely cold (max -29°C on Thu morning, min -35°C on Fri night). Winds decreasing (severe gales from the SW on Wed night, light winds from the WSW by Fri night).

Portal Mountain Weather (Days 3-6):

Mostly dry. Extremely cold (max -33°C on Sun night, min -36°C on Sat morning). Winds decreasing (strong winds from the WSW on Sat night, calm by Mon 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.
2 hours ago
-18° C
cloudy
Dry and cloudy.
19
Light winds from the SE.(Wind varies from 070 to 190 degs)
(19 kph at 140).
10.0 km
Low: overcast
Dumont Durville
1415 km WNW
111m alt.
2 hours ago
-15° C
-
11
Light winds from the ESE
(11 kph at 120).
50 km
Mid: mostly cloudy
DomeA
1590 km SSW
4084m alt.
1 hour ago
-66° C
-
Wind obs. (6 kph from 230 degs) was rejected.
Casey
2024 km W
42m alt.
2 hours ago
-2° C
moderate snow
Slight to moderate drifting snow, above eye level.
78
Severe gales from the NE
(78 kph at 50).
5.0 km
Mid: sky obscured
Davis
2564 km SW
23m alt.
2 hours ago
-
20
Moderate winds from the S
(20 kph at 170).
40 km
Mid: few
2634 km N
6m alt.
1 hour ago
6° C
No report.
41
Strong winds from the WNW
(41 kph at 300).
ASCATC103E62S
2671 km WSW
15m alt.
3 hours ago
36
Fresh winds from the WNW
(36 kph at 304).
- km
ASCATC103E61S
2693 km WSW
15m alt.
3 hours ago
34
Fresh winds from the NW
(34 kph at 308).
- km
ASCATC102E62S
2698 km WSW
15m alt.
3 hours ago
39
Strong winds from the WNW
(39 kph at 285).
- km
ASCATC101E62S
2705 km WSW
15m alt.
3 hours ago
45
Strong winds from the W
(45 kph at 278).
- 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