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

Portal Mountain
Weather Forecast, Antarctica

Issued: 11 am Sun 23 Aug Local Time
Updates in:
hr min s
Update imminent

Days 1–3 Weather Summary

Mostly dry. Extremely cold (max -31°C on Sun night, min -44°C on Tue night). Wind will be generally light.

Days 4–6 Weather Summary

A moderate fall of snow, heaviest on Thu night. Extremely cold (max -15°C on Thu night, min -45°C on Wed morning). Winds increasing (light winds from the WSW on Wed night, strong winds from the S by Thu night).

Sunday
23
Monday
24
Tuesday
25
Wednesday
26
Thursday
27
Friday
28
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
part cloud
cloud
cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
part cloud
cloud
light snow
mod snow
light snow
cloud
part cloud
some clouds
cloudy
cloudy
some clouds
clear
clear
clear
clear
clear
clear
clear
some clouds
cloudy
light snow
mod. snow
light snow
cloudy
some clouds
Cloud base (m)
2650
2100
2100
2100
2150
2050
2050
2100
2100
2050
2050
km/h
15
WNW
10
WSW
10
SW
15
WNW
20
WNW
20
WNW
20
WNW
20
WNW
25
WNW
20
WNW
15
WNW
10
W
15
SW
20
SSW
45
S
30
S
20
SSW
25
WSW
Weather map
Weather map
Weather map
Weather map
Weather map
Weather map
Snowflake cm
1
7
2
 mm
max °C
-36
-32
-31
-35
-40
-40
-40
-40
-42
-44
-39
-32
-25
-17
-15
-20
-20
-23
min °C
-37
-32
-33
-39
-40
-41
-41
-41
-44
-45
-42
-37
-28
-21
-19
-21
-21
-31
 chill °C
-50
-41
-43
-53
-55
-56
-57
-58
-62
-62
-57
-48
-38
-31
-31
-33
-32
-47
Freezing level m
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Sea lvl1000m2000m3000m4000m5000m
-34-37-39-37-36-36-35-37-37-37-35-35-33-28-28-31-31-29-34-35-37-38-37-38-37-38-38-39-37-35-31-25-24-27-28-28-37-32-32-37-40-41-41-41-43-45-41-35-27-19-17-21-21-27
Sunrise
11:48
11:33
11:18
11:07
10:55
10:44
Sunset
3:06
3:19
3:33
3:45
3:56
4:07

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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 Sun night, min -44°C on Tue night). Wind will be generally light.

Portal Mountain Weather (Days 3-6):

A moderate fall of snow, heaviest on Thu night. Extremely cold (max -15°C on Thu night, min -45°C on Wed morning). Winds increasing (light winds from the WSW on Wed night, strong winds from the S by Thu night).

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
Williams Field
183 km E
8m alt.
2 hours ago
-29°C
cloudy
Dry and cloudy.
Wind obs. (17 kph from 130 degs) was rejected.
9.0 km
Low: few
Mid: overcast
Dumont Durville
1415 km WNW
111m alt.
2 hours ago
-15°C
-
24
Moderate winds from the SE
(24 kph at 140).
40 km
Mid: mostly cloudy
DomeA
1590 km SSW
4084m alt.
42 minutes ago
-
Wind obs. (15 kph from 230 degs) was rejected.
Casey
2024 km W
42m alt.
2 hours ago
-15°C
partially cloudy
Clouds developing.
30
Fresh winds from the S
(30 kph at 180).
50 km
Mid: scattered
Davis
2564 km SW
23m alt.
2 hours ago
-9°C
Clouds developing.
26
Moderate winds from the NE
(26 kph at 50).
35 km
Mid: mostly cloudy
2634 km N
6m alt.
42 minutes ago
1°C
No report.
48
Strong winds from the W
(48 kph at 280).
2877 km NNE
16m alt.
42 minutes ago
3°C
-
41
Strong winds from the W
(41 kph at 260).
BaseBelgranoII
2893 km S
256m alt.
2 hours ago
-29°C
light snow
Intermittent light snow.
4
Calm
(4 kph at 140).
30 km
Mid: mostly cloudy
ASCATB96E60S
2972 km WSW
15m alt.
2 hours ago
43
Strong winds from the N
(43 kph at 2).
- km
Mawson
2996 km SW
16m alt.
2 hours ago
-8°C
Distant precipitation but not falling at station.
44
Strong winds from the SE
(44 kph at 140).
30 km
Mid: mostly cloudy

* 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