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

Portal Mountain
Weather Forecast, Antarctica

Issued: 11 pm Thu 13 Aug Local Time
Updates in:
hr min s
Update imminent

Days 1–4 Weather Summary

Mostly dry. Extremely cold (max -26°C on Fri night, min -36°C on Sun afternoon). Winds increasing (light winds from the WNW on Fri night, strong winds from the W by Sat night).

Days 5–7 Weather Summary

Mostly dry. Extremely cold (max -31°C on Tue night, min -39°C on Sun night). Wind will be generally light.

Friday
14
Saturday
15
Sunday
16
Monday
17
Tuesday
18
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
part cloud
cloud
cloud
cloud
cloud
cloud
clear
clear
clear
clear
part cloud
cloud
part cloud
part cloud
part cloud
cloud
some clouds
cloudy
cloudy
cloudy
cloudy
cloudy
clear
clear
clear
clear
some clouds
cloudy
some clouds
some clouds
some clouds
cloudy
Cloud base (m)
4800
4400
4100
4100
4650
5150
2100
2150
2650
2100
km/h
25
W
20
W
20
WNW
15
WNW
20
W
30
W
35
W
35
W
25
W
15
W
20
W
25
W
30
W
20
WNW
15
WNW
20
WSW
Weather map
Weather map
Weather map
Weather map
Weather map
Weather map
Snowflake cm
 mm
max °C
-29
-27
-27
-26
-27
-30
-33
-35
-35
-37
-35
-32
-35
-35
-33
-31
min °C
-32
-28
-27
-27
-28
-32
-34
-35
-36
-39
-35
-33
-37
-37
-35
-32
 chill °C
-47
-41
-39
-39
-42
-48
-52
-53
-51
-53
-49
-48
-52
-52
-48
-47
Freezing level m
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Sea lvl1000m2000m3000m4000m5000m
-25-23-24-25-25-25-29-32-35-39-37-34-32-31-34-33-28-26-25-26-27-28-32-33-35-39-36-34-33-33-34-33-31-28-27-27-28-31-34-35-36-38-35-33-36-36-34-32
Sunrise
12:00
12:00
12:00
12:00
12:00
Sunset
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 -26°C on Fri night, min -36°C on Sun afternoon). Winds increasing (light winds from the WNW on Fri night, strong winds from the W by Sat night).

Portal Mountain Weather (Days 3-6):

Mostly dry. Extremely cold (max -31°C on Tue night, min -39°C on Sun night). Wind will be generally light.

This table gives the weather forecast for Portal Mountain at the specific elevation of 1000 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.
3 hours ago
-25° C
cloudy
Dry and cloudy.
0
Calm
(0 kph at 0).
6.0 km
Low: overcast
1328 km S
3012m alt.
2 hours ago
moderate snow
Ice crystals.
28
Moderate winds from the W
(28 kph at 270).
0.6 km
ASCATB152E64S
1648 km NW
15m alt.
2 hours ago
36
Fresh winds from the NNE
(36 kph at 26).
- km
ASCATB150E64S
1653 km NW
15m alt.
2 hours ago
44
Strong winds from the NNE
(44 kph at 30).
- km
ASCATB151E64S
1655 km NW
15m alt.
2 hours ago
43
Strong winds from the NNE
(43 kph at 30).
- km
ASCATB149E64S
1662 km NW
15m alt.
2 hours ago
42
Strong winds from the NNE
(42 kph at 18).
- km
ASCATB147E64S
1671 km NW
15m alt.
2 hours ago
36
Fresh winds from the N
(36 kph at 5).
- km
ASCATB148E64S
1671 km NW
15m alt.
2 hours ago
35
Fresh winds from the N
(35 kph at 9).
- km
ASCATB146E64S
1684 km NW
15m alt.
2 hours ago
36
Fresh winds from the NNE
(36 kph at 12).
- km
ASCATB145E64S
1699 km NW
15m alt.
2 hours ago
31
Fresh winds from the NNE
(31 kph at 24).
- 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