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

Portal Mountain
Weather Forecast, Antarctica

Issued: 11 pm Sat 18 Jul Local Time
Updates in:
hr min s
Update imminent

Days 1–4 Weather Summary

Mostly dry. Extremely cold (max -26°C on Mon night, min -38°C on Sat night). Wind will be generally light.

Days 5–7 Weather Summary

Mostly dry. Extremely cold (max -27°C on Wed afternoon, min -35°C on Fri afternoon). Winds increasing (light winds from the W on Tue night, gales from the W by Thu morning).

Sunday
19
Monday
20
Tuesday
21
Wednesday
22
Thursday
23
Friday
24
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
cloud
cloud
cloud
cloud
cloud
cloud
cloud
cloud
part cloud
clear
clear
clear
part cloud
clear
clear
clear
clear
clear
clear
cloudy
cloudy
cloudy
cloudy
cloudy
cloudy
cloudy
cloudy
some clouds
clear
clear
clear
some clouds
clear
clear
clear
clear
clear
clear
Cloud base (m)
2050
2050
2050
2100
2100
2100
2100
2100
2100
2200
2150
5100
5050
6250
2150
km/h
25
SSW
20
SSW
20
SSW
15
S
25
SSE
20
SSE
20
S
15
SSW
10
SSW
10
W
25
W
35
WSW
45
WSW
60
WSW
70
W
60
WSW
35
WSW
35
WSW
30
WSW
Weather map
Weather map
Weather map
Weather map
Weather map
Weather map
Weather map
Snowflake cm
 mm
max °C
-35
-33
-33
-29
-27
-28
-26
-26
-27
-28
-28
-27
-27
-29
-31
-33
-33
-34
-37
min °C
-38
-34
-33
-32
-28
-28
-27
-27
-27
-28
-29
-28
-29
-29
-33
-34
-34
-35
-38
 chill °C
-55
-48
-46
-44
-41
-41
-40
-35
-36
-34
-44
-44
-49
-49
-55
-56
-52
-53
-55
Freezing level m
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Sea lvl1000m2000m3000m4000m5000m
-38-35-34-32-30-30-30-28-28-28-27-26-26-28-31-32-31-33-36-37-34-33-31-28-28-27-27-27-28-29-28-28-29-32-34-34-35-38-35-33-33-30-24-23-23-23-25-27-29-29-29-30-33-37-37-37-39
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 -26°C on Mon night, min -38°C on Sat night). Wind will be generally light.

Portal Mountain Weather (Days 3-6):

Mostly dry. Extremely cold (max -27°C on Wed afternoon, min -35°C on Fri afternoon). Winds increasing (light winds from the W on Tue night, gales from the W by Thu 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
-24° C
cloudy
Dry and cloudy.
Wind obs. (26 kph from 130 degs) was rejected.
10.0 km
Low: overcast
ASCATB147E63S
1702 km NW
15m alt.
2 hours ago
64
Gales from the WSW
(64 kph at 258).
- km
ASCATB146E63S
1767 km NW
15m alt.
2 hours ago
55
Near gales from the W
(55 kph at 259).
- km
ASCATB145E63S
1812 km NW
15m alt.
2 hours ago
40
Strong winds from the WSW
(40 kph at 256).
- km
ASCATB144E63S
1818 km NW
15m alt.
2 hours ago
36
Fresh winds from the WSW
(36 kph at 258).
- km
ASCATB143E63S
1825 km NW
15m alt.
2 hours ago
36
Fresh winds from the WSW
(36 kph at 249).
- km
ASCATB145E62S
1845 km NW
15m alt.
2 hours ago
32
Fresh winds from the WSW
(32 kph at 256).
- km
ASCATB137E63S
1904 km WNW
15m alt.
2 hours ago
16
Light winds from the WSW
(16 kph at 241).
- km
ASCATB136E63S
1919 km WNW
15m alt.
2 hours ago
21
Moderate winds from the WSW
(21 kph at 251).
- km
ASCATB144E62S
1924 km NW
15m alt.
2 hours ago
58
Near gales from the WNW
(58 kph at 284).
- 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