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

Portal Mountain
Weather Forecast, Antarctica

Issued: 5 pm Wed 26 Aug Local Time
Updates in:
hr min s
Update imminent

Days 1–4 Weather Summary

A dusting of new snow. Extremely cold (max -20°C on Thu night, min -40°C on Wed night). Winds increasing (calm on Wed night, fresh winds from the S by Thu night).

Days 5–7 Weather Summary

Mostly dry. Extremely cold (max -19°C on Mon afternoon, min -28°C on Sun afternoon). Wind will be generally light.

Wed
26
Thursday
27
Friday
28
Saturday
29
Sunday
30
Monday
31
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
clear
part cloud
cloud
light snow
light snow
light snow
cloud
cloud
cloud
part cloud
cloud
cloud
cloud
cloud
cloud
cloud
cloud
clear
some clouds
cloudy
light snow
light snow
light snow
cloudy
cloudy
cloudy
some clouds
cloudy
cloudy
cloudy
cloudy
cloudy
cloudy
cloudy
Cloud base (m)
2100
2050
2050
2050
2100
2050
2050
2050
2100
2100
2100
2100
2100
2200
2100
2100
km/h
15
WNW
5
SW
15
SSW
20
SW
15
SSW
15
SSW
20
S
15
SSW
15
WSW
10
W
5
WSW
5
SSW
10
SW
5
WSW
5
SW
5
SSW
5
SW
Weather map
Weather map
Weather map
Weather map
Weather map
Weather map
Snowflake cm
1
2
1
 mm
max °C
-38
-37
-33
-27
-20
-24
-24
-27
-25
-25
-23
-26
-27
-22
-20
-19
-19
min °C
-39
-40
-35
-30
-25
-25
-27
-30
-26
-27
-26
-27
-28
-26
-20
-19
-20
 chill °C
-52
-40
-47
-42
-36
-34
-38
-42
-36
-36
-33
-34
-36
-33
-25
-24
-26
Freezing level m
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Sea lvl1000m2000m3000m4000m5000m
-37-41-40-37-32-32-35-37-33-31-30-31-31-27-24-23-22-37-40-38-34-29-30-32-34-30-29-28-30-30-27-23-22-22-39-39-34-29-23-25-26-29-26-26-25-27-28-24-20-19-20
Sunrise
10:55
10:44
10:33
10:22
10:12
Sunset
3:45
3:56
4:07
4:16
4:27
4:36

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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 -20°C on Thu night, min -40°C on Wed night). Winds increasing (calm on Wed night, fresh winds from the S by Thu night).

Portal Mountain Weather (Days 3-6):

Mostly dry. Extremely cold (max -19°C on Mon afternoon, min -28°C on Sun afternoon). Wind will be generally light.

This table gives the weather forecast for Portal Mountain at the specific elevation of 1000 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
Phoenix Field- McMurdo Station
177 km E
10m alt.
2 hours ago
clear
Fog partial -.
Wind obs. (19 kph from 310 degs) was rejected.
10.0 km
Williams Field
183 km E
8m alt.
2 hours ago
-33°C
clear
Clear
19
Light winds from the NNW
(19 kph at 340).
10.0 km
Jang Bogo Station
410 km NNE
29m alt.
1 hour ago
-32°C
-
11
Light winds from the NNW
(11 kph at 340).
40 km
Mid: mostly cloudy
1328 km S
3012m alt.
1 hour ago
-
Wind obs. (13 kph from 30 degs) was rejected.
4.8 km
Mid: broken
Dumont Durville
1415 km WNW
111m alt.
1 hour ago
-20°C
light snow
Continuous light snow.
46
Strong winds from the E
(46 kph at 100).
0.2 km
Mid: overcast
1555 km S
2835m alt.
1 hour ago
-
Wind obs. (15 kph from 40 degs) was rejected.
4.8 km
Mid: mostly cloudy
DomeA
1590 km SSW
4084m alt.
2 hours ago
-
Wind obs. (9 kph from 230 degs) was rejected.
Casey
2024 km W
42m alt.
1 hour ago
-21°C
Fog at a distance.
11
Light winds from the SSE
(11 kph at 160).
50 km
Mid: mostly cloudy
Davis
2564 km SW
23m alt.
1 hour ago
-9°C
clear
Clear skies.
46
Strong winds from the ENE
(46 kph at 60).
2634 km N
475m alt.
1 hour ago
2°C
partially cloudy
Clouds developing.
30
Fresh winds from the W
(30 kph at 270).
40 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