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

Portal Mountain
Weather Forecast, Antarctica

Issued: 5 pm Mon 18 May Local Time
Updates in:
hr min s
Update imminent

Days 1–4 Weather Summary

Mostly dry. Extremely cold (max -28°C on Mon afternoon, min -40°C on Tue afternoon). Wind will be generally light.

Days 5–7 Weather Summary

Mostly dry. Extremely cold (max -22°C on Sun morning, min -31°C on Fri morning). Wind will be generally light.

Mon
18
Tuesday
19
Wednesday
20
Thursday
21
Friday
22
Saturday
23
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
part cloud
clear
clear
clear
part cloud
cloud
cloud
cloud
cloud
cloud
cloud
cloud
cloud
cloud
cloud
cloud
cloud
some clouds
clear
clear
clear
some clouds
cloudy
cloudy
cloudy
cloudy
cloudy
cloudy
cloudy
cloudy
cloudy
cloudy
cloudy
cloudy
km/h
25
WNW
20
WNW
20
WNW
15
WNW
10
WNW
10
WSW
10
WSW
20
WSW
15
W
15
W
15
WSW
15
W
15
WSW
15
SW
20
SSW
20
SSW
20
SW
Snow map
Snow map
Snow map
Snow map
Snow map
Snow map
max °C
-28
-30
-37
-39
-34
-31
-30
-30
-29
-28
-27
-31
-30
-26
-25
-25
-23
min °C
-29
-35
-38
-40
-40
-33
-30
-31
-30
-29
-30
-31
-30
-30
-26
-25
-25
-43
-50
-52
-55
-54
-43
-40
-44
-42
-41
-42
-43
-41
-41
-38
-37
-37
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Cloud base (m)
4300
2150
2150
2100
2050
2050
2050
2050
2050
2050
2100
2100
2100
2100
2100
Sea lvl1000m2000m3000m4000m5000m
-26-30-33-36-39-38-37-35-34-33-33-35-37-36-34-33-30-28-31-36-38-38-36-34-34-32-31-32-33-34-34-31-30-28-29-33-38-40-37-32-30-31-30-29-29-31-30-28-26-25-24
Sunrise
12:00
12:00
12:00
12:00
12:00
Sunset
12:00
12:00
12:00
12:00
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 Mon afternoon, min -40°C on Tue afternoon). Wind will be generally light.

Portal Mountain Weather (Days 3-6):

Mostly dry. Extremely cold (max -22°C on Sun morning, min -31°C on Fri morning). Wind will be generally light.

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
-26° C
partially cloudy
Dry and partly cloudy.
Wind obs. (11 kph from 90 degs) was rejected.
10.0 km
Low: broken
Jang Bogo Station
410 km NNE
29m alt.
2 hours ago
-24° C
-
7
Light winds from the NNW
(7 kph at 340).
40 km
Mid: few
1328 km S
3012m alt.
2 hours ago
light snow
Snow grains.
Wind obs. (11 kph from 50 degs) was rejected.
3.2 km
High: few
Dumont Durville
1415 km WNW
111m alt.
2 hours ago
-12° C
-
26
Moderate winds from the ESE
(26 kph at 110).
30 km
Mid: overcast
1555 km S
2835m alt.
2 hours ago
-
Wind obs. (11 kph from 60 degs) was rejected.
3.2 km
Mid: few
DomeA
1590 km SSW
4084m alt.
1 hour ago
-
4
Calm
(4 kph at 230).
Casey
2024 km W
42m alt.
2 hours ago
-12° C
partially cloudy
Clouds developing.
2
Calm
(2 kph at 60).
50 km
Mid: mostly cloudy
ASCATB220E66S
2384 km E
15m alt.
2 hours ago
19
Light winds from the E
(19 kph at 99).
- km
ASCATB221E66S
2414 km E
15m alt.
2 hours ago
27
Moderate winds from the SE
(27 kph at 145).
- km
ASCATB226E67S
2418 km E
15m alt.
2 hours ago
44
Strong winds from the E
(44 kph at 91).
- 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