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

Portal Mountain
Weather Forecast, Antarctica

Issued: 5 am Thu 23 Jul Local Time
Updates in:
hr min s
Update imminent

Days 1–3 Weather Summary

Mostly dry. Extremely cold (max -29°C on Sat night, min -35°C on Fri afternoon). Winds decreasing (gales from the WSW on Thu night, moderate winds from the SW by Fri night).

Days 4–6 Weather Summary

Mostly dry. Extremely cold (max -28°C on Sun morning, min -36°C on Tue night). Winds decreasing (strong winds from the WSW on Mon morning, moderate winds from the WSW by Tue night).

Thursday
23
Friday
24
Saturday
25
Sunday
26
Monday
27
Tuesday
28
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
part cloud
clear
clear
clear
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
some clouds
some clouds
clear
clear
clear
some clouds
Cloud base (m)
3600
7700
km/h
45
WSW
60
W
65
WSW
40
WSW
40
WSW
30
WSW
30
WSW
30
SW
40
WSW
35
WSW
35
WSW
30
W
40
WSW
40
WSW
35
W
40
W
35
W
25
WSW
Weather map
Weather map
Weather map
Weather map
Weather map
Weather map
Snowflake cm
 mm
max °C
-30
-33
-32
-34
-35
-35
-34
-32
-29
-28
-29
-30
-31
-31
-31
-32
-32
-34
min °C
-31
-34
-34
-34
-35
-35
-34
-33
-31
-28
-29
-30
-31
-31
-31
-32
-33
-36
 chill °C
-50
-56
-54
-53
-54
-53
-51
-50
-49
-44
-45
-45
-49
-49
-48
-50
-49
-52
Freezing level m
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Sea lvl1000m2000m3000m4000m5000m
-28-32-31-31-32-33-32-31-28-26-27-28-28-28-28-28-29-31-31-34-33-34-35-35-34-33-30-28-29-30-31-31-31-32-33-35-33-35-35-36-39-38-37-36-33-32-32-33-34-35-35-36-37-39
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 -29°C on Sat night, min -35°C on Fri afternoon). Winds decreasing (gales from the WSW on Thu night, moderate winds from the SW by Fri night).

Portal Mountain Weather (Days 3-6):

Mostly dry. Extremely cold (max -28°C on Sun morning, min -36°C on Tue night). Winds decreasing (strong winds from the WSW on Mon morning, moderate winds from the WSW by Tue 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
-20° C
clear
Haze -.
Wind obs. (9 kph from 90 degs) was rejected.
5.0 km
Low: scattered
1328 km S
3012m alt.
3 hours ago
moderate snow
Ice crystals.
Wind obs. (17 kph from 60 degs) was rejected.
10.0 km
ASCATB177E64S
1711 km NNE
15m alt.
2 hours ago
33
Fresh winds from the NNE
(33 kph at 25).
- km
ASCATB176E64S
1721 km NNE
15m alt.
2 hours ago
40
Strong winds from the NNE
(40 kph at 31).
- km
ASCATB178E64S
1731 km NNE
15m alt.
2 hours ago
31
Fresh winds from the NNE
(31 kph at 24).
- km
ASCATB182E64S
1738 km NE
15m alt.
2 hours ago
30
Fresh winds from the NNE
(30 kph at 32).
- km
ASCATB177E63S
1739 km NNE
15m alt.
2 hours ago
31
Fresh winds from the NNE
(31 kph at 20).
- km
ASCATB183E64S
1745 km NE
15m alt.
2 hours ago
30
Fresh winds from the NE
(30 kph at 39).
- km
ASCATB178E63S
1748 km NNE
15m alt.
2 hours ago
32
Fresh winds from the NNE
(32 kph at 15).
- km
ASCATB176E63S
1749 km NNE
15m alt.
2 hours ago
30
Fresh winds from the NNE
(30 kph at 20).
- 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