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

Portal Mountain
Weather Forecast, Antarctica

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

Days 1–4 Weather Summary

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

Days 5–7 Weather Summary

Mostly dry. Extremely cold (max -31°C on Sat night, min -36°C on Fri afternoon). Winds decreasing (severe gales from the WSW on Fri night, moderate winds from the WSW by Sun morning).

Mon
20
Tuesday
21
Wednesday
22
Thursday
23
Friday
24
Saturday
25
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
cloud
cloud
part cloud
clear
clear
clear
clear
part cloud
cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
cloudy
cloudy
some clouds
clear
clear
clear
clear
some clouds
cloudy
some clouds
clear
clear
clear
clear
clear
clear
clear
Cloud base (m)
2100
2100
2100
2100
2150
2150
2100
5400
4750
5200
km/h
25
S
20
SSE
10
S
5
S
10
WNW
15
W
25
WSW
40
WSW
55
WSW
55
WSW
45
WSW
45
WSW
45
WSW
60
WSW
80
WSW
70
WSW
55
WSW
Weather map
Weather map
Weather map
Weather map
Weather map
Weather map
Snowflake cm
 mm
max °C
-26
-25
-25
-26
-26
-27
-28
-27
-31
-34
-34
-34
-36
-35
-34
-32
-31
min °C
-27
-26
-25
-26
-27
-28
-28
-29
-32
-34
-34
-35
-36
-36
-34
-33
-32
 chill °C
-40
-39
-34
-31
-36
-41
-42
-47
-52
-55
-54
-54
-57
-58
-58
-55
-53
Freezing level m
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Sea lvl1000m2000m3000m4000m5000m
-30-28-27-26-26-26-26-26-31-32-31-32-34-34-34-32-31-27-26-25-26-27-28-28-28-32-34-34-35-36-36-34-33-32-22-22-22-24-26-28-30-30-34-37-37-38-39-38-35-35-34
Sunrise
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 Thu morning). Winds increasing (calm on Tue afternoon, near gales from the WSW by Thu morning).

Portal Mountain Weather (Days 3-6):

Mostly dry. Extremely cold (max -31°C on Sat night, min -36°C on Fri afternoon). Winds decreasing (severe gales from the WSW on Fri night, moderate winds from the WSW by Sun 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
-12° C
moderate snow
Blowing moderate snow.
Wind obs. (43 kph from 190 degs) was rejected.
3.7 km
Mid: overcast
Macquarie Island
2634 km N
6m alt.
1 hour ago
4° C
No report.
31
Fresh winds from the NW
(31 kph at 320).
ASCATB219E63S
2661 km E
15m alt.
3 hours ago
46
Strong winds from the NNE
(46 kph at 15).
- km
ASCATB220E63S
2689 km E
15m alt.
3 hours ago
50
Strong winds from the NNE
(50 kph at 12).
- km
ASCATB221E63S
2696 km E
15m alt.
3 hours ago
51
Near gales from the NNE
(51 kph at 12).
- km
ASCATC225E64S
2706 km E
15m alt.
2 hours ago
63
Gales from the N
(63 kph at 9).
- km
ASCATB225E64S
2710 km E
15m alt.
3 hours ago
64
Gales from the N
(64 kph at 11).
- km
ASCATC221E63S
2717 km E
15m alt.
2 hours ago
56
Near gales from the NNE
(56 kph at 12).
- km
ASCATB226E64S
2718 km E
15m alt.
3 hours ago
64
Gales from the N
(64 kph at 11).
- km
ASCATC226E64S
2735 km E
15m alt.
2 hours ago
62
Gales from the N
(62 kph at 9).
- 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