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

Portal Mountain
Weather Forecast, Antarctica

Issued: 5 am Mon 20 Jul Local Time
Updates in:
hr min s
Update imminent

Days 1–3 Weather Summary

Mostly dry. Extremely cold (max -25°C on Mon night, min -32°C on Wed night). Winds increasing (calm on Tue afternoon, near gales from the WSW by Wed night).

Days 4–6 Weather Summary

Mostly dry. Extremely cold (max -33°C on Thu morning, min -37°C on Fri night). Winds decreasing (gales from the WSW on Sat morning, fresh winds from the W by Sat night).

Monday
20
Tuesday
21
Wednesday
22
Thursday
23
Friday
24
Saturday
25
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
cloud
cloud
cloud
cloud
part cloud
clear
clear
clear
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
cloudy
cloudy
cloudy
cloudy
some clouds
clear
clear
clear
some clouds
clear
clear
clear
clear
clear
clear
clear
clear
clear
Cloud base (m)
2100
2100
2100
2100
2100
2150
2100
4950
km/h
25
S
20
S
20
S
15
S
10
S
10
W
20
W
30
W
45
WSW
60
WSW
60
WSW
55
WSW
50
WSW
45
WSW
55
WSW
70
WSW
60
WSW
45
W
Weather map
Weather map
Weather map
Weather map
Weather map
Weather map
Snowflake cm
 mm
max °C
-27
-27
-25
-26
-26
-27
-28
-27
-28
-33
-33
-33
-34
-36
-36
-36
-35
-35
min °C
-27
-27
-26
-26
-27
-27
-28
-28
-32
-34
-33
-34
-36
-36
-37
-36
-36
-36
 chill °C
-40
-40
-38
-36
-27
-32
-40
-43
-53
-56
-55
-54
-56
-56
-60
-60
-59
-55
Freezing level m
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Sea lvl1000m2000m3000m4000m5000m
-29-30-28-27-27-27-26-26-28-32-31-31-33-34-36-36-35-34-27-27-26-26-27-27-28-28-30-34-33-34-35-36-37-36-36-36-23-23-21-23-25-26-29-29-32-36-36-37-39-39-39-38-38-39
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 -25°C on Mon night, min -32°C on Wed night). Winds increasing (calm on Tue afternoon, near gales from the WSW by Wed night).

Portal Mountain Weather (Days 3-6):

Mostly dry. Extremely cold (max -33°C on Thu morning, min -37°C on Fri night). Winds decreasing (gales from the WSW on Sat morning, fresh winds from the W by Sat night).

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
-11° C
cloudy
Dry and cloudy.
Wind obs. (13 kph from 160 degs) was rejected.
10.0 km
Low: overcast
ASCATC188E65S
1705 km NE
15m alt.
3 hours ago
42
Strong winds from the S
(42 kph at 189).
- km
ASCATC189E65S
1707 km NE
15m alt.
3 hours ago
47
Strong winds from the S
(47 kph at 189).
- km
ASCATC166E63S
1730 km N
15m alt.
3 hours ago
44
Strong winds from the W
(44 kph at 280).
- km
ASCATC187E65S
1733 km NE
15m alt.
3 hours ago
31
Fresh winds from the SSW
(31 kph at 196).
- km
ASCATC168E63S
1734 km NNE
15m alt.
3 hours ago
58
Near gales from the SW
(58 kph at 233).
- km
ASCATC164E63S
1737 km N
15m alt.
3 hours ago
44
Strong winds from the WNW
(44 kph at 286).
- km
ASCATC190E65S
1738 km NE
15m alt.
3 hours ago
67
Gales from the SSW
(67 kph at 195).
- km
ASCATC163E63S
1740 km N
15m alt.
3 hours ago
46
Strong winds from the WNW
(46 kph at 296).
- km
ASCATC169E63S
1740 km NNE
15m alt.
3 hours ago
56
Near gales from the WSW
(56 kph at 240).
- 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