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

Portal Mountain
Weather Forecast, Antarctica

Issued: 11 am Fri 14 Aug Local Time
Updates in:
hr min s
Update imminent

Days 1–3 Weather Summary

Mostly dry. Extremely cold (max -25°C on Fri afternoon, min -38°C on Sun night). Winds increasing (light winds from the WNW on Fri night, strong winds from the W by Sat night).

Days 4–6 Weather Summary

Mostly dry. Extremely cold (max -26°C on Tue night, min -40°C on Tue morning). Winds increasing (light winds from the W on Tue afternoon, strong winds from the W by Wed night).

Friday
14
Saturday
15
Sunday
16
Monday
17
Tuesday
18
Wednesday
19
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
cloud
cloud
cloud
cloud
cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
cloud
cloud
cloud
clear
clear
cloudy
cloudy
cloudy
cloudy
cloudy
some clouds
clear
clear
clear
clear
clear
clear
clear
cloudy
cloudy
cloudy
clear
clear
Cloud base (m)
4700
4250
3750
4300
5000
7900
2150
2150
2100
2100
km/h
20
W
20
WNW
15
WNW
20
W
25
W
35
W
35
W
30
W
15
WNW
15
W
25
W
35
W
20
WNW
15
W
20
SW
25
W
30
W
40
W
Weather map
Weather map
Weather map
Weather map
Weather map
Weather map
Snowflake cm
 mm
max °C
-26
-25
-25
-26
-29
-32
-34
-34
-36
-35
-34
-35
-39
-30
-26
-27
-31
-31
min °C
-26
-26
-26
-27
-30
-34
-34
-35
-38
-36
-36
-38
-40
-33
-27
-30
-33
-33
 chill °C
-39
-37
-37
-40
-45
-53
-52
-50
-52
-51
-52
-55
-55
-45
-40
-45
-50
-50
Freezing level m
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Sea lvl1000m2000m3000m4000m5000m
-23-23-25-24-25-27-30-31-34-35-34-38-36-34-32-28-28-29-25-25-25-26-28-30-32-32-35-35-34-37-37-34-31-29-30-31-26-26-26-27-30-33-34-35-37-36-35-37-40-32-27-29-32-32
Sunrise
12:00
12:00
12:00
12:00
12:00
12:00
Sunset
12:00
12:00
12:00
12:00
12:00
12:00

Loading...

Portal Mountain Weather (Days 0-3):

The weather forecast for Portal Mountain is: Mostly dry. Extremely cold (max -25°C on Fri afternoon, min -38°C on Sun night). Winds increasing (light winds from the WNW on Fri night, strong winds from the W by Sat night).

Portal Mountain Weather (Days 3-6):

Mostly dry. Extremely cold (max -26°C on Tue night, min -40°C on Tue morning). Winds increasing (light winds from the W on Tue afternoon, strong winds from the W by Wed 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
-27° C
cloudy
Dry and cloudy.
19
Light winds from the E
(19 kph at 90).
9.0 km
Low: few
Mid: overcast
Dumont Durville
1415 km WNW
111m alt.
2 hours ago
-9° C
moderate snow
Slight to moderate drifting snow, below eye level.
59
Near gales from the SSE
(59 kph at 160).
28 km
Mid: mostly cloudy
DomeA
1590 km SSW
4084m alt.
2 hours ago
-
Wind obs. (11 kph from 230 degs) was rejected.
Casey
2024 km W
42m alt.
2 hours ago
-17° C
partially cloudy
Clouds developing.
20
Moderate winds from the NE
(20 kph at 50).
50 km
Mid: scattered
lightning
2064 km NNE
0m alt.
21 minutes ago
thunderstorm
Thunderstorm
Davis
2564 km SW
23m alt.
2 hours ago
-16° C
State of sky unchanged.
Wind obs. (20 kph from 110 degs) was rejected.
35 km
Mid: few
2634 km N
6m alt.
53 minutes ago
2° C
No report.
56
Near gales from the WNW
(56 kph at 290).
ASCATB100E60S
2857 km WSW
15m alt.
3 hours ago
64
Gales from the NNW
(64 kph at 329).
- km
2877 km NNE
16m alt.
53 minutes ago
9° C
-
39
Strong winds from the NNW
(39 kph at 330).
BaseBelgranoII
2893 km S
256m alt.
2 hours ago
-23° C
moderate snow
Slight to moderate drifting snow, below eye level.
37
Fresh winds from the NE
(37 kph at 50).
5.0 km
Mid: scattered

* 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