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

Portal Mountain
Weather Forecast, Antarctica

Issued: 11 pm Sun 19 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 -31°C on Sun night). Winds increasing (calm on Tue afternoon, fresh winds from the W by Wed afternoon).

Days 5–7 Weather Summary

Mostly dry. Extremely cold (max -28°C on Wed night, min -37°C on Fri morning). Winds increasing (fresh winds from the WSW on Fri morning, gales from the WSW by Sat afternoon).

Monday
20
Tuesday
21
Wednesday
22
Thursday
23
Friday
24
Saturday
25
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
part cloud
clear
part cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
cloudy
cloudy
cloudy
cloudy
cloudy
cloudy
some clouds
clear
some clouds
some clouds
clear
clear
clear
clear
clear
clear
clear
clear
clear
Cloud base (m)
2100
2100
2100
2100
2100
2100
2100
2100
4500
km/h
15
S
20
S
20
S
15
S
10
SE
5
SSE
15
NW
20
W
30
W
45
WSW
60
WSW
65
WSW
55
WSW
45
SW
40
WSW
60
SW
65
WSW
65
WSW
55
WSW
Weather map
Weather map
Weather map
Weather map
Weather map
Weather map
Weather map
Snowflake cm
 mm
max °C
-28
-27
-27
-26
-26
-27
-27
-28
-28
-28
-34
-34
-34
-36
-35
-31
-32
-34
-31
min °C
-31
-27
-27
-27
-27
-27
-28
-28
-28
-32
-34
-34
-36
-37
-36
-34
-33
-35
-32
 chill °C
-43
-40
-39
-39
-34
-32
-40
-40
-43
-53
-56
-56
-58
-58
-56
-55
-55
-58
-54
Freezing level m
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Sea lvl1000m2000m3000m4000m5000m
-32-30-30-29-28-28-27-26-26-28-32-32-33-35-34-31-32-34-31-30-27-27-27-27-27-28-28-28-30-34-34-35-37-36-33-33-35-32-27-23-22-23-24-24-27-29-29-32-36-37-38-39-39-36-34-36-34
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 -31°C on Sun night). Winds increasing (calm on Tue afternoon, fresh winds from the W by Wed afternoon).

Portal Mountain Weather (Days 3-6):

Mostly dry. Extremely cold (max -28°C on Wed night, min -37°C on Fri morning). Winds increasing (fresh winds from the WSW on Fri morning, gales from the WSW by Sat 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
-15° C
cloudy
Dry and cloudy.
11
Light winds from the N
(11 kph at 1).
10.0 km
Low: overcast
ASCATC152E63S
1758 km NW
15m alt.
3 hours ago
41
Strong winds from the WNW
(41 kph at 294).
- km
ASCATC151E63S
1761 km NW
15m alt.
3 hours ago
41
Strong winds from the WNW
(41 kph at 293).
- km
ASCATC150E63S
1769 km NW
15m alt.
3 hours ago
39
Strong winds from the WNW
(39 kph at 297).
- km
ASCATC149E63S
1773 km NW
15m alt.
3 hours ago
36
Fresh winds from the WNW
(36 kph at 298).
- km
ASCATC148E63S
1779 km NW
15m alt.
3 hours ago
37
Fresh winds from the WNW
(37 kph at 300).
- km
ASCATC147E63S
1793 km NW
15m alt.
3 hours ago
35
Fresh winds from the WNW
(35 kph at 303).
- km
ASCATC146E63S
1801 km NW
15m alt.
3 hours ago
35
Fresh winds from the NW
(35 kph at 304).
- km
ASCATC152E62S
1804 km NW
15m alt.
3 hours ago
42
Strong winds from the WNW
(42 kph at 292).
- km
ASCATC145E63S
1806 km NW
15m alt.
3 hours ago
35
Fresh winds from the NW
(35 kph at 307).
- 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