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

Portal Mountain
Weather Forecast, Antarctica

Issued: 5 pm Sat 30 Aug Local Time
Updates in:
hr min s
Update imminent

Days 1–4 Weather Summary

A dusting of new snow. Extremely cold (max -28°C on Sat night, min -31°C on Sat afternoon). Wind will be generally light.

Days 5–7 Weather Summary

Mostly dry. Extremely cold (max -26°C on Tue night, min -33°C on Thu night). Winds decreasing (severe gales from the WSW on Wed night, light winds from the WNW by Thu night).

Sat
30
Sunday
31
Monday
1
Tuesday
2
Wednesday
3
Thursday
4
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
part cloud
cloud
cloud
cloud
light snow
cloud
cloud
cloud
cloud
cloud
cloud
part cloud
clear
clear
clear
clear
clear
some clouds
cloudy
cloudy
cloudy
light snow
cloudy
cloudy
cloudy
cloudy
cloudy
cloudy
some clouds
clear
clear
clear
clear
clear
 km/h
20
SSE
15
SSE
10
SE
15
SE
20
SE
20
SE
20
SE
20
SE
20
SSE
25
S
20
S
20
SW
40
WSW
80
WSW
60
WSW
40
WSW
20
WSW
 cm 
1
 mm 
max°C
-30
-28
-28
-28
-29
-29
-29
-29
-29
-29
-26
-26
-26
-28
-29
-30
-32
min°C
-31
-30
-28
-28
-30
-30
-29
-29
-29
-29
-28
-26
-27
-30
-30
-31
-33
chill°C 
-45
-42
-38
-40
-43
-43
-42
-42
-42
-43
-41
-39
-46
-51
-49
-47
-47
Freezing level (m
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Cloud base (m)
2100
2100
2100
2050
2050
2100
2100
2100
2100
2050
2050
3100
Sea lvl1000m2000m3000m4000m5000m
-31-29-28-28-30-30-29-29-29-29-27-26-27-29-30-31-33-30-28-27-27-28-28-28-28-27-27-28-28-29-31-32-33-35-28-26-23-23-24-25-25-26-24-24-26-30-33-35-37-38-40
Sunrise
10:12
10:03
9:53
9:45
9:37
Sunset
4:27
4:36
4:45
4:53
5:01
5:09

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Portal Mountain Weather (Days 0-3):

The weather forecast for Portal Mountain is: A dusting of new snow. Extremely cold (max -28°C on Sat night, min -31°C on Sat afternoon). Wind will be generally light.

Portal Mountain Weather (Days 3-6):

Mostly dry. Extremely cold (max -26°C on Tue night, min -33°C on Thu night). Winds decreasing (severe gales from the WSW on Wed night, light winds from the WNW by Thu night).

This table gives the weather forecast for Portal Mountain at the specific elevation of 2555 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 5 closest weather stations

Weather StationTemp.WeatherWindGusts
Cloud
Visibility
Cloud / Visibility
Williams Field
183 km E
8m alt.
3 hours ago
-20° C
clear
Clear
20
Moderate winds from the ESE.(Wind varies from 050 to 150 degs)
(20 kph at 120).
10.0 km
DomeA
1590 km SSW
4084m alt.
3 hours ago
-
Wind obs. (7 kph from 10 degs) was rejected.
ASCATB200E62S
2337 km ENE
15m alt.
2 hours ago
38
Fresh winds from the ENE
(38 kph at 64).
- km
ASCATB201E62S
2340 km ENE
15m alt.
2 hours ago
44
Strong winds from the ENE
(44 kph at 63).
- km
ASCATB202E62S
2365 km ENE
15m alt.
2 hours ago
46
Strong winds from the ENE
(46 kph at 62).
- km
ASCATB203E62S
2391 km ENE
15m alt.
2 hours ago
50
Strong winds from the ENE
(50 kph at 61).
- km
ASCATB200E61S
2435 km ENE
15m alt.
2 hours ago
31
Fresh winds from the NE
(31 kph at 56).
- km
ASCATB201E61S
2459 km ENE
15m alt.
2 hours ago
37
Fresh winds from the NE
(37 kph at 52).
- km
ASCATB202E61S
2484 km ENE
15m alt.
2 hours ago
43
Strong winds from the NE
(43 kph at 51).
- km
ASCATB203E61S
2489 km ENE
15m alt.
2 hours ago
49
Strong winds from the NE
(49 kph at 50).
- 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