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

Portal Mountain
Weather Forecast, Antarctica

Issued: 11 pm Sat 25 Jul Local Time
Updates in:
hr min s
Update imminent

Days 1–4 Weather Summary

Mostly dry. Extremely cold (max -27°C on Sat night, min -30°C on Mon night). Winds decreasing (strong winds from the WSW on Sat night, light winds from the W by Sun afternoon).

Days 5–7 Weather Summary

Mostly dry. Extremely cold (max -30°C on Tue night, min -36°C on Fri afternoon). Wind will be generally light.

Sunday
26
Monday
27
Tuesday
28
Wednesday
29
Thursday
30
Friday
31
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
clear
clear
clear
part cloud
clear
clear
clear
part cloud
clear
part cloud
cloud
cloud
cloud
part cloud
part cloud
part cloud
part cloud
clear
clear
clear
clear
clear
some clouds
clear
clear
clear
some clouds
clear
some clouds
cloudy
cloudy
cloudy
some clouds
some clouds
some clouds
some clouds
clear
clear
Cloud base (m)
8350
5300
km/h
40
WSW
20
SW
10
W
10
W
10
WSW
20
WSW
30
WSW
25
WSW
15
W
15
WSW
15
W
10
W
15
WNW
20
WNW
15
W
10
W
10
WNW
10
W
10
W
Weather map
Weather map
Weather map
Weather map
Weather map
Weather map
Weather map
Snowflake cm
 mm
max °C
-27
-27
-28
-28
-28
-28
-29
-29
-29
-30
-32
-32
-32
-34
-34
-34
-35
-35
-36
min °C
-29
-27
-28
-28
-28
-28
-30
-29
-30
-32
-32
-32
-33
-34
-34
-35
-35
-36
-37
 chill °C
-46
-40
-36
-36
-38
-40
-46
-43
-41
-44
-43
-43
-46
-48
-46
-45
-45
-46
-47
Freezing level m
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Sea lvl1000m2000m3000m4000m5000m
-26-25-26-26-25-25-26-25-26-28-30-31-30-30-30-31-32-33-35-28-27-28-28-28-28-30-29-30-31-32-32-33-34-34-35-35-36-37-31-30-30-30-31-31-33-34-33-35-33-33-35-38-38-38-39-39-40
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 -27°C on Sat night, min -30°C on Mon night). Winds decreasing (strong winds from the WSW on Sat night, light winds from the W by Sun afternoon).

Portal Mountain Weather (Days 3-6):

Mostly dry. Extremely cold (max -30°C on Tue night, min -36°C on Fri afternoon). Wind will be generally light.

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
-26° C
clear
Clear
Wind obs. (6 kph from 50 degs) was rejected.
10.0 km
ASCATC133E63S
1961 km WNW
15m alt.
3 hours ago
19
Light winds from the S
(19 kph at 181).
- km
ASCATC132E63S
1980 km WNW
15m alt.
3 hours ago
29
Fresh winds from the SW
(29 kph at 218).
- km
ASCATC131E63S
1992 km WNW
15m alt.
3 hours ago
26
Moderate winds from the SW
(26 kph at 218).
- km
ASCATC133E62S
1997 km WNW
15m alt.
3 hours ago
19
Light winds from the SW
(19 kph at 227).
- km
ASCATC130E63S
2013 km WNW
15m alt.
3 hours ago
34
Fresh winds from the WSW
(34 kph at 243).
- km
ASCATC129E63S
2028 km WNW
15m alt.
3 hours ago
31
Fresh winds from the WSW
(31 kph at 250).
- km
ASCATC128E63S
2043 km WNW
15m alt.
3 hours ago
31
Fresh winds from the WSW
(31 kph at 247).
- km
ASCATC127E63S
2066 km WNW
15m alt.
3 hours ago
37
Fresh winds from the SW
(37 kph at 222).
- km
ASCATC132E62S
2079 km WNW
15m alt.
3 hours ago
57
Near gales from the WSW
(57 kph at 257).
- 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