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

Portal Mountain
Weather Forecast, Antarctica

Issued: 5 pm Tue 21 Jul Local Time
Updates in:
hr min s
Update imminent

Days 1–4 Weather Summary

Mostly dry. Extremely cold (max -25°C on Wed night, min -37°C on Fri morning). Winds increasing (calm on Tue afternoon, gales from the WSW by Thu afternoon).

Days 5–7 Weather Summary

Mostly dry. Extremely cold (max -29°C on Mon morning, min -39°C on Fri afternoon). Winds decreasing (near gales from the WSW on Sat afternoon, calm by Sun afternoon).

Tue
21
Wednesday
22
Thursday
23
Friday
24
Saturday
25
Sunday
26
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
part cloud
clear
part cloud
part cloud
part cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
part cloud
part cloud
clear
clear
some clouds
clear
some clouds
some clouds
some clouds
some clouds
clear
clear
clear
clear
clear
clear
clear
some clouds
some clouds
clear
clear
Cloud base (m)
2100
2100
2150
2150
3500
4800
2150
2200
2150
5300
7950
km/h
5
ESE
15
NW
15
WNW
20
WNW
20
W
55
WSW
60
WSW
55
WSW
40
WSW
15
SW
15
WSW
55
WSW
60
WSW
55
WSW
30
SW
5
WSW
30
W
Weather map
Weather map
Weather map
Weather map
Weather map
Weather map
Snowflake cm
 mm
max °C
-26
-26
-26
-26
-25
-30
-34
-35
-36
-39
-35
-33
-33
-31
-32
-36
-31
min °C
-26
-26
-26
-26
-28
-32
-35
-36
-37
-39
-39
-34
-33
-32
-34
-36
-34
 chill °C
-26
-35
-37
-38
-45
-53
-57
-56
-55
-52
-53
-55
-54
-52
-46
-36
-49
Freezing level m
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Sea lvl1000m2000m3000m4000m5000m
-27-26-25-24-26-29-33-33-35-37-35-32-32-30-32-35-29-26-26-26-26-27-31-35-36-37-39-37-34-33-32-33-36-33-25-26-26-27-27-32-37-38-40-41-40-37-36-35-36-38-37
Sunrise
12:00
12:00
12:00
12:00
12:00
Sunset
12:00
12:00
12:00
12:00
12:00
12:00

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Portal Mountain Weather (Days 0-3):

The weather forecast for Portal Mountain is: Mostly dry. Extremely cold (max -25°C on Wed night, min -37°C on Fri morning). Winds increasing (calm on Tue afternoon, gales from the WSW by Thu afternoon).

Portal Mountain Weather (Days 3-6):

Mostly dry. Extremely cold (max -29°C on Mon morning, min -39°C on Fri afternoon). Winds decreasing (near gales from the WSW on Sat afternoon, calm by Sun 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
-17° C
partially cloudy
Dry and partly cloudy.
24
Moderate winds from the ENE
(24 kph at 70).
8.0 km
Low: scattered
ASCATB200E65S
2024 km ENE
15m alt.
2 hours ago
44
Strong winds from the W
(44 kph at 262).
- km
ASCATB201E65S
2054 km ENE
15m alt.
2 hours ago
40
Strong winds from the W
(40 kph at 275).
- km
ASCATB202E65S
2068 km ENE
15m alt.
2 hours ago
41
Strong winds from the WNW
(41 kph at 286).
- km
ASCATB203E65S
2086 km ENE
15m alt.
2 hours ago
40
Strong winds from the WNW
(40 kph at 295).
- km
ASCATB204E65S
2108 km ENE
15m alt.
2 hours ago
39
Strong winds from the WNW
(39 kph at 296).
- km
ASCATB199E64S
2112 km ENE
15m alt.
2 hours ago
43
Strong winds from the WSW
(43 kph at 258).
- km
ASCATB200E64S
2131 km ENE
15m alt.
2 hours ago
42
Strong winds from the W
(42 kph at 267).
- km
ASCATB201E64S
2153 km ENE
15m alt.
2 hours ago
40
Strong winds from the W
(40 kph at 273).
- km
ASCATB202E64S
2180 km ENE
15m alt.
2 hours ago
44
Strong winds from the W
(44 kph at 280).
- 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