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

Portal Mountain
Weather Forecast, Antarctica

Issued: 11 am Tue 21 Apr Local Time
Updates in:
hr min s
Update imminent

Days 1–3 Weather Summary

Mostly dry. Extremely cold (max -28°C on Tue morning, min -38°C on Thu night). Winds decreasing (fresh winds from the W on Tue morning, light winds from the WNW by Thu night).

Days 4–6 Weather Summary

Mostly dry. Extremely cold (max -30°C on Fri night, min -41°C on Sat night). Winds increasing (light winds from the WNW on Fri night, fresh winds from the W by Sun night).

Tuesday
21
Wednesday
22
Thursday
23
Friday
24
Saturday
25
Sunday
26
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
clear
clear
clear
clear
clear
clear
clear
clear
clear
cloud
cloud
cloud
cloud
cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
cloudy
cloudy
cloudy
cloudy
cloudy
some clouds
clear
clear
clear
 km/h
35
W
35
W
35
W
30
W
30
W
25
W
25
W
25
W
15
WNW
10
WNW
10
WNW
10
W
10
W
10
W
15
WNW
20
WNW
25
W
35
W
max °C
-28
-29
-29
-30
-30
-31
-34
-36
-35
-32
-31
-30
-32
-33
-37
-39
-39
-38
min °C
-28
-29
-31
-30
-31
-33
-35
-37
-38
-33
-31
-31
-32
-35
-41
-40
-39
-39
-44
-46
-47
-46
-46
-49
-51
-51
-52
-44
-40
-39
-41
-46
-57
-56
-56
-59
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Cloud base (m)
2150
2150
2100
2100
2100
2100
2100
2100
2150
2100
2150
Sea lvl1000m2000m3000m4000m5000m
-25-25-27-26-27-30-33-34-35-35-35-35-36-37-36-37-38-40-27-27-29-28-29-31-34-36-36-35-34-34-35-37-38-38-38-39-28-29-30-30-31-32-35-37-37-33-31-31-32-34-39-40-39-39
Sunrise
11:40
11:56
12:18
12:51
12:00
12:00
Sunset
3:00
2:44
2:22
1:48
12:00
12:00

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Portal Mountain Weather (Days 0-3):

The weather forecast for Portal Mountain is: Mostly dry. Extremely cold (max -28°C on Tue morning, min -38°C on Thu night). Winds decreasing (fresh winds from the W on Tue morning, light winds from the WNW by Thu night).

Portal Mountain Weather (Days 3-6):

Mostly dry. Extremely cold (max -30°C on Fri night, min -41°C on Sat night). Winds increasing (light winds from the WNW on Fri night, fresh winds from the W by Sun 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
-23° C
cloudy
Dry and cloudy.
Wind obs. (19 kph from 50 degs) was rejected.
10.0 km
Low: overcast
Dumont Durville
1415 km WNW
111m alt.
2 hours ago
-8° C
-
15
Light winds from the S
(15 kph at 170).
50 km
Mid: scattered
DomeA
1590 km SSW
4084m alt.
2 hours ago
-60° C
-
4
Calm
(4 kph at 230).
Casey
2024 km W
42m alt.
2 hours ago
-2° C
partially cloudy
Clouds dissolving.
54
Near gales from the ENE
(54 kph at 60).
50 km
Mid: scattered
ASCATC106E65S
2268 km WSW
15m alt.
3 hours ago
38
Fresh winds from the E
(38 kph at 82).
- km
ASCATB106E65S
2295 km WSW
15m alt.
3 hours ago
40
Strong winds from the ENE
(40 kph at 74).
- km
ASCATB106E64S
2312 km WSW
15m alt.
3 hours ago
44
Strong winds from the E
(44 kph at 84).
- km
ASCATC106E64S
2313 km WSW
15m alt.
3 hours ago
35
Fresh winds from the E
(35 kph at 82).
- km
ASCATB107E64S
2321 km W
15m alt.
3 hours ago
32
Fresh winds from the ENE
(32 kph at 74).
- km
ASCATC107E64S
2350 km W
15m alt.
3 hours ago
15
Light winds from the NNW
(15 kph at 346).
- 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