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

Portal Mountain
Weather Forecast, Antarctica

Issued: 5 am Sun 19 Jul Local Time
Updates in:
hr min s
Update imminent

Days 1–3 Weather Summary

Mostly dry. Extremely cold (max -23°C on Mon morning, min -34°C on Sun morning). Wind will be generally light.

Days 4–6 Weather Summary

Mostly dry. Extremely cold (max -29°C on Wed morning, min -36°C on Thu morning). Winds increasing (moderate winds from the WNW on Wed morning, near gales from the W by Thu night).

Sunday
19
Monday
20
Tuesday
21
Wednesday
22
Thursday
23
Friday
24
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
cloud
cloud
cloud
cloud
cloud
cloud
part cloud
part cloud
part cloud
clear
cloud
part cloud
clear
clear
clear
clear
part cloud
clear
cloudy
cloudy
cloudy
cloudy
cloudy
cloudy
some clouds
some clouds
some clouds
clear
cloudy
some clouds
clear
clear
clear
clear
some clouds
clear
Cloud base (m)
2050
2100
2100
2100
2100
2100
2100
2100
2100
2100
5250
5150
km/h
20
W
20
WNW
15
WNW
10
SW
10
SSW
10
WSW
10
WNW
10
WNW
15
WNW
20
WNW
25
WNW
30
W
45
W
50
W
45
W
35
W
30
W
45
W
Weather map
Weather map
Weather map
Weather map
Weather map
Weather map
Snowflake cm
 mm
max °C
-34
-33
-26
-23
-23
-23
-25
-25
-26
-29
-30
-30
-34
-34
-31
-32
-31
-31
min °C
-34
-34
-33
-24
-23
-24
-25
-25
-29
-31
-31
-32
-36
-35
-34
-32
-31
-35
 chill °C
-48
-48
-46
-32
-30
-32
-34
-34
-42
-45
-46
-50
-57
-56
-56
-49
-47
-56
Freezing level m
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Sea lvl1000m2000m3000m4000m5000m
-34-33-32-30-31-30-28-27-28-28-27-28-33-33-31-28-29-33-34-33-31-28-28-27-27-27-28-30-29-30-34-34-32-30-31-33-34-34-30-24-23-24-25-25-28-30-31-31-35-35-33-32-31-33
Sunrise
12:00
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 -23°C on Mon morning, min -34°C on Sun morning). Wind will be generally light.

Portal Mountain Weather (Days 3-6):

Mostly dry. Extremely cold (max -29°C on Wed morning, min -36°C on Thu morning). Winds increasing (moderate winds from the WNW on Wed morning, near gales from the W by Thu night).

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.
2 hours ago
-22° C
cloudy
Dry and cloudy.
Wind obs. (30 kph from 100 degs) was rejected.
10.0 km
Low: overcast
ASCATB185E65S
1640 km NE
15m alt.
3 hours ago
37
Fresh winds from the WNW
(37 kph at 282).
- km
ASCATC185E65S
1648 km NE
15m alt.
2 hours ago
31
Fresh winds from the W
(31 kph at 281).
- km
ASCATC186E66S
1649 km NE
15m alt.
2 hours ago
34
Fresh winds from the WNW
(34 kph at 285).
- km
ASCATB184E65S
1656 km NE
15m alt.
3 hours ago
42
Strong winds from the W
(42 kph at 269).
- km
ASCATB182E65S
1658 km NE
15m alt.
3 hours ago
49
Strong winds from the SSW
(49 kph at 204).
- km
ASCATB186E65S
1659 km NE
15m alt.
3 hours ago
33
Fresh winds from the WNW
(33 kph at 289).
- km
ASCATC186E65S
1661 km NE
15m alt.
2 hours ago
33
Fresh winds from the WNW
(33 kph at 288).
- km
ASCATC184E65S
1663 km NE
15m alt.
2 hours ago
37
Fresh winds from the W
(37 kph at 264).
- km
ASCATB181E65S
1666 km NE
15m alt.
3 hours ago
46
Strong winds from the SSW
(46 kph at 193).
- 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