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

Portal Mountain
Weather Forecast, Antarctica

Issued: 5 pm Sun 23 Aug Local Time
Updates in:
hr min s
Update imminent

Days 1–4 Weather Summary

Mostly dry. Extremely cold (max -35°C on Sun afternoon, min -39°C on Wed morning). Winds increasing (light winds from the SW on Sun night, strong winds from the WSW by Tue night).

Days 5–7 Weather Summary

A dusting of new snow. Extremely cold (max -24°C on Thu night, min -38°C on Wed afternoon). Winds increasing (light winds from the E on Wed night, gales from the S by Thu night).

Sun
23
Monday
24
Tuesday
25
Wednesday
26
Thursday
27
Friday
28
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
cloud
cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
cloud
cloud
light snow
light snow
cloud
cloud
cloudy
cloudy
some clouds
clear
clear
clear
clear
clear
clear
clear
clear
cloudy
cloudy
light snow
light snow
cloudy
cloudy
Cloud base (m)
2100
2100
2100
2150
2100
2050
2100
2100
2050
2050
km/h
20
SSE
20
S
15
WNW
20
WNW
20
W
25
W
40
WSW
45
WSW
25
W
15
WNW
15
SE
25
SSE
30
S
40
S
35
SSE
35
S
50
SSW
Weather map
Weather map
Weather map
Weather map
Weather map
Weather map
Snowflake cm
2
1
 mm
max °C
-35
-36
-37
-38
-37
-36
-37
-37
-38
-37
-37
-33
-28
-24
-29
-26
-24
min °C
-36
-36
-37
-38
-38
-37
-37
-37
-39
-38
-37
-35
-30
-28
-30
-28
-24
 chill °C
-50
-51
-49
-54
-54
-56
-57
-58
-54
-50
-45
-51
-46
-46
-47
-44
-40
Freezing level m
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Sea lvl1000m2000m3000m4000m5000m
-38-39-37-37-36-35-36-36-37-36-38-36-32-30-33-30-26-36-36-37-38-38-37-37-37-39-38-37-34-29-26-30-27-24-33-32-38-41-41-40-40-41-44-43-38-32-25-19-25-22-22
Sunrise
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 -35°C on Sun afternoon, min -39°C on Wed morning). Winds increasing (light winds from the SW on Sun night, strong winds from the WSW by Tue night).

Portal Mountain Weather (Days 3-6):

A dusting of new snow. Extremely cold (max -24°C on Thu night, min -38°C on Wed afternoon). Winds increasing (light winds from the E on Wed night, gales from the S by Thu 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
-30°C
cloudy
Dry and cloudy.
Wind obs. (20 kph from 120 degs) was rejected.
10.0 km
Low: overcast
Jang Bogo Station
410 km NNE
29m alt.
3 hours ago
-26°C
-
Wind obs. (37 kph from 260 degs) was rejected.
40 km
Mid: mostly cloudy
Dumont Durville
1415 km WNW
111m alt.
3 hours ago
-17°C
-
9
Light winds from the E
(9 kph at 100).
50 km
Mid: scattered
1555 km S
2835m alt.
3 hours ago
-
Wind obs. (26 kph from 50 degs) was rejected.
1.6 km
Mid: mostly cloudy
Casey
2024 km W
42m alt.
3 hours ago
-14°C
State of sky unchanged.
35
Fresh winds from the S
(35 kph at 180).
50 km
Mid: scattered
Davis
2564 km SW
23m alt.
3 hours ago
-8°C
State of sky unchanged.
22
Moderate winds from the NE
(22 kph at 40).
40 km
Mid: mostly cloudy
ASCATB226E65S
2632 km E
15m alt.
3 hours ago
40
Strong winds from the WSW
(40 kph at 258).
- km
2634 km N
475m alt.
1 hour ago
3°C
-
48
Strong winds from the NW
(48 kph at 310).
ASCATB227E65S
2640 km E
15m alt.
3 hours ago
39
Strong winds from the W
(39 kph at 260).
- km
ASCATC227E65S
2659 km E
15m alt.
3 hours ago
39
Strong winds from the W
(39 kph at 266).
- 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