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

Portal Mountain
Weather Forecast, Antarctica

Issued: 5 pm Sun 16 Aug Local Time
Updates in:
hr min s
Update imminent

Days 1–4 Weather Summary

Mostly dry. Extremely cold (max -30°C on Tue night, min -38°C on Sun afternoon). Mainly fresh winds.

Days 5–7 Weather Summary

Mostly dry. Extremely cold (max -31°C on Wed afternoon, min -40°C on Sat morning). Winds decreasing (near gales from the W on Thu afternoon, light winds from the WNW by Fri night).

Sun
16
Monday
17
Tuesday
18
Wednesday
19
Thursday
20
Friday
21
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
clear
clear
clear
part cloud
clear
clear
part cloud
cloud
cloud
cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
some clouds
clear
clear
some clouds
cloudy
cloudy
cloudy
clear
clear
clear
clear
clear
clear
clear
Cloud base (m)
2150
2100
2100
2100
9800
km/h
20
WNW
10
WNW
20
W
25
W
30
W
15
WNW
15
WNW
20
WSW
25
WSW
25
W
35
W
55
W
55
W
45
W
35
W
30
W
20
WNW
Weather map
Weather map
Weather map
Weather map
Weather map
Weather map
Snowflake cm
 mm
max °C
-36
-35
-34
-35
-35
-37
-36
-30
-30
-31
-32
-31
-32
-31
-33
-35
-37
min °C
-38
-38
-35
-35
-37
-38
-37
-33
-31
-33
-33
-32
-32
-32
-34
-36
-39
 chill °C
-52
-51
-50
-51
-52
-52
-51
-47
-45
-49
-49
-52
-53
-51
-51
-53
-54
Freezing level m
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Sea lvl1000m2000m3000m4000m5000m
-33-36-35-34-38-35-35-34-33-31-29-31-31-30-30-32-35-34-37-34-34-38-36-35-33-32-31-31-31-31-30-31-33-37-37-37-35-35-36-38-37-32-31-32-33-32-32-32-34-36-38
Sunrise
12:00
12:00
12:00
12:00
12:26
Sunset
12:00
12:00
12:00
12:00
12:00
2:26

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Portal Mountain Weather (Days 0-3):

The weather forecast for Portal Mountain is: Mostly dry. Extremely cold (max -30°C on Tue night, min -38°C on Sun afternoon). Mainly fresh winds.

Portal Mountain Weather (Days 3-6):

Mostly dry. Extremely cold (max -31°C on Wed afternoon, min -40°C on Sat morning). Winds decreasing (near gales from the W on Thu afternoon, light winds from the WNW by Fri 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.
1 hour ago
-31° C
clear
Haze -.
11
Light winds from the N
(11 kph at 1).
4.0 km
Low: few
Dumont Durville
1415 km WNW
111m alt.
52 minutes ago
-13° C
moderate snow
Clouds dissolving.
13
Light winds from the ESE
(13 kph at 110).
30 km
Mid: overcast
Casey
2024 km W
42m alt.
52 minutes ago
-10° C
partially cloudy
Clouds dissolving.
7
Light winds from the ESE
(7 kph at 120).
50 km
Mid: mostly cloudy
hy2c242E70S
2507 km ESE
15m alt.
3 hours ago
33
Fresh winds from the SSW
(33 kph at 210).
- km
hy2c205E61S
2508 km ENE
15m alt.
3 hours ago
34
Fresh winds from the WNW
(34 kph at 300).
- km
hy2c241E69S
2525 km ESE
15m alt.
3 hours ago
30
Fresh winds from the SSW
(30 kph at 212).
- km
hy2c242E69S
2530 km ESE
15m alt.
3 hours ago
31
Fresh winds from the SSW
(31 kph at 212).
- km
hy2c243E69S
2536 km ESE
15m alt.
3 hours ago
43
Strong winds from the SSW
(43 kph at 208).
- km
hy2c206E61S
2548 km ENE
15m alt.
3 hours ago
32
Fresh winds from the WNW
(32 kph at 295).
- km
hy2c204E60S
2560 km ENE
15m alt.
3 hours ago
36
Fresh winds from the WNW
(36 kph at 298).
- 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