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

Portal Mountain
Weather Forecast, Antarctica

Issued: 11 pm Sun 16 Aug Local Time
Updates in:
hr min s
Update imminent

Days 1–4 Weather Summary

Mostly dry. Extremely cold (max -31°C on Wed morning, min -38°C on Mon night). Winds increasing (calm on Sun night, strong winds from the WSW by Mon afternoon).

Days 5–7 Weather Summary

Mostly dry. Extremely cold (max -30°C on Wed night, min -37°C on Fri night). Winds decreasing (severe gales from the SW on Thu afternoon, light winds from the SSW by Fri night).

Monday
17
Tuesday
18
Wednesday
19
Thursday
20
Friday
21
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
clear
clear
clear
clear
clear
part cloud
cloud
cloud
cloud
clear
clear
clear
clear
clear
clear
part cloud
clear
clear
clear
clear
clear
some clouds
cloudy
cloudy
cloudy
clear
clear
clear
clear
clear
clear
some clouds
Cloud base (m)
2150
2150
2150
2100
2100
2100
2100
km/h
10
SSE
25
SSW
25
SW
25
SW
15
SW
15
S
30
S
35
SSW
30
SSW
50
SW
80
SW
80
SW
75
WSW
70
SW
50
SW
20
SW
Weather map
Weather map
Weather map
Weather map
Weather map
Weather map
Snowflake cm
 mm
max °C
-36
-34
-33
-34
-35
-35
-32
-31
-31
-30
-31
-30
-31
-32
-33
-35
min °C
-37
-35
-35
-38
-36
-36
-34
-32
-31
-31
-31
-31
-31
-32
-34
-37
 chill °C
-37
-51
-55
-59
-48
-48
-50
-50
-46
-52
-54
-54
-53
-54
-53
-51
Freezing level m
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Sea lvl1000m2000m3000m4000m5000m
-37-35-34-37-34-35-34-33-31-30-31-30-31-31-33-35-37-35-34-36-36-36-33-32-31-31-31-31-31-32-34-36-37-35-35-37-39-37-31-30-32-33-32-32-32-34-36-38
Sunrise
12:00
12:00
12:00
12:00
12:26
Sunset
12:00
12:00
12:00
12:00
2:26

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Portal Mountain Weather (Days 0-3):

The weather forecast for Portal Mountain is: Mostly dry. Extremely cold (max -31°C on Wed morning, min -38°C on Mon night). Winds increasing (calm on Sun night, strong winds from the WSW by Mon afternoon).

Portal Mountain Weather (Days 3-6):

Mostly dry. Extremely cold (max -30°C on Wed night, min -37°C on Fri night). Winds decreasing (severe gales from the SW on Thu afternoon, light winds from the SSW by Fri 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
-31° C
clear
-
30
Fresh winds from the ENE
(30 kph at 70).
8.0 km
Low: few
1328 km S
3012m alt.
1 hour ago
-
24
Moderate winds from the SSW
(24 kph at 210).
2.4 km
High: few
ASCATB160E64S
1555 km N
15m alt.
3 hours ago
73
Gales from the WNW
(73 kph at 290).
- km
hy2c180E65S
1668 km NE
15m alt.
3 hours ago
27
Moderate winds from the NW
(27 kph at 320).
- km
hy2c178E64S
1682 km NNE
15m alt.
3 hours ago
28
Moderate winds from the NW
(28 kph at 318).
- km
hy2c181E65S
1684 km NE
15m alt.
3 hours ago
33
Fresh winds from the NNW
(33 kph at 332).
- km
hy2c156E63S
1692 km N
15m alt.
3 hours ago
71
Gales from the W
(71 kph at 280).
- km
hy2c181E64S
1697 km NE
15m alt.
3 hours ago
32
Fresh winds from the NW
(32 kph at 322).
- km
hy2c177E64S
1697 km NNE
15m alt.
3 hours ago
28
Moderate winds from the NNW
(28 kph at 342).
- km
hy2c182E65S
1700 km NE
15m alt.
3 hours ago
38
Fresh winds from the NNW
(38 kph at 330).
- 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