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

Portal Mountain
Weather Forecast, Antarctica

Issued: 11 am Wed 02 Sep Local Time
Updates in:
hr min s
Update imminent

Days 1–3 Weather Summary

Mostly dry. Extremely cold (max -27°C on Wed afternoon, min -31°C on Fri morning). Winds decreasing (severe gales from the WSW on Thu morning, fresh winds from the WSW by Fri night).

Days 4–6 Weather Summary

A dusting of new snow. Extremely cold (max -30°C on Sat morning, min -37°C on Sun night). Winds increasing (calm on Sat night, near gales from the WSW by Mon night).

Wednesday
2
Thursday
3
Friday
4
Saturday
5
Sunday
6
Monday
7
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
part cloud
cloud
light snow
cloud
cloud
part cloud
clear
clear
some clouds
clear
clear
clear
clear
clear
clear
clear
clear
some clouds
some clouds
cloudy
light snow
cloudy
cloudy
some clouds
clear
clear
Cloud base (m)
4900
5400
8400
9800
9700
4750
2100
2100
2100
2100
2100
2150
km/h
40
W
45
WSW
55
WSW
70
WSW
80
WSW
55
WSW
45
WSW
55
WSW
45
WSW
30
WSW
15
WSW
0
W
15
SE
15
SE
15
S
15
SW
20
WSW
45
WSW
Weather map
Weather map
Weather map
Weather map
Weather map
Weather map
Snowflake cm
2
 mm
max °C
-28
-27
-27
-27
-27
-28
-30
-31
-30
-30
-30
-30
-33
-35
-35
-35
-34
-34
min °C
-28
-27
-28
-27
-27
-30
-31
-31
-31
-30
-30
-31
-34
-36
-37
-35
-34
-35
 chill °C
-45
-44
-48
-47
-48
-49
-50
-51
-50
-45
-42
-42
-46
-50
-50
-47
-48
-56
Freezing level m
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Sea lvl1000m2000m3000m4000m5000m
-26-25-27-28-28-28-29-29-28-27-27-30-35-36-36-35-33-33-28-27-28-27-27-29-31-31-31-30-30-31-34-36-36-35-34-35-28-28-27-25-25-29-31-32-33-33-34-30-31-33-34-34-35-37
Sunrise
9:53
9:45
9:37
9:27
9:18
9:11
Sunset
4:53
5:01
5:09
5:19
5:25
5:34

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Portal Mountain Weather (Days 0-3):

The weather forecast for Portal Mountain is: Mostly dry. Extremely cold (max -27°C on Wed afternoon, min -31°C on Fri morning). Winds decreasing (severe gales from the WSW on Thu morning, fresh winds from the WSW by Fri night).

Portal Mountain Weather (Days 3-6):

A dusting of new snow. Extremely cold (max -30°C on Sat morning, min -37°C on Sun night). Winds increasing (calm on Sat night, near gales from the WSW by Mon 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
-18°C
clear
Fog freezing -.
0
Calm
(0 kph at 0).
0.0 km
Low: overcast
Dumont Durville
1415 km WNW
111m alt.
3 hours ago
-4°C
moderate snow
Slight to moderate drifting snow, below eye level.
72
Gales from the ESE
(72 kph at 120).
28 km
Mid: mostly cloudy
DomeA
1590 km SSW
4084m alt.
1 hour ago
-
Wind obs. (13 kph from 230 degs) was rejected.
Casey
2024 km W
42m alt.
3 hours ago
-10°C
partially cloudy
Clouds developing.
7
Light winds from the NE
(7 kph at 50).
50 km
Mid: mostly cloudy
hy2c204E62S
2377 km ENE
15m alt.
3 hours ago
26
Moderate winds from the ESE
(26 kph at 118).
- km
hy2c203E62S
2396 km ENE
15m alt.
3 hours ago
26
Moderate winds from the ESE
(26 kph at 122).
- km
hy2c205E62S
2417 km ENE
15m alt.
3 hours ago
27
Moderate winds from the ESE
(27 kph at 115).
- km
hy2c203E61S
2425 km ENE
15m alt.
3 hours ago
24
Moderate winds from the ESE
(24 kph at 118).
- km
hy2c221E65S
2440 km E
15m alt.
3 hours ago
44
Strong winds from the ESE
(44 kph at 118).
- km
hy2c204E61S
2441 km ENE
15m alt.
3 hours ago
23
Moderate winds from the SE
(23 kph at 125).
- 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