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

Portal Mountain
Weather Forecast, Antarctica

Issued: 11 am Mon 07 Sep Local Time
Updates in:
hr min s
Update imminent

Days 1–3 Weather Summary

Mostly dry. Extremely cold (max -39°C on Wed morning, min -49°C on Mon night). Winds increasing (calm on Mon night, strong winds from the WSW by Tue afternoon).

Days 4–6 Weather Summary

Mostly dry. Extremely cold (max -31°C on Sat morning, min -39°C on Thu morning). Wind will be generally light.

Monday
7
Tuesday
8
Wednesday
9
Thursday
10
Friday
11
Saturday
12
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
clear
clear
part cloud
clear
clear
clear
clear
clear
clear
part cloud
clear
part cloud
cloud
cloud
cloud
cloud
cloud
cloud
clear
clear
some clouds
clear
clear
clear
clear
clear
clear
some clouds
clear
some clouds
cloudy
cloudy
cloudy
cloudy
cloudy
cloudy
Cloud base (m)
2150
2200
2150
2050
2100
7250
4500
3850
2150
2100
2100
2100
2100
km/h
35
W
20
W
5
SE
25
WSW
50
WSW
35
WSW
25
WNW
20
WNW
15
NW
15
NW
15
NW
20
WSW
15
SW
15
SSW
10
S
10
S
5
S
5
WNW
Weather map
Weather map
Weather map
Weather map
Weather map
Weather map
Snowflake cm
 mm
max °C
-44
-46
-48
-45
-43
-40
-39
-39
-39
-38
-38
-37
-36
-35
-32
-31
-31
-31
min °C
-45
-48
-49
-46
-43
-43
-40
-39
-39
-39
-39
-38
-37
-35
-34
-32
-31
-33
 chill °C
-65
-60
-49
-64
-67
-65
-58
-54
-53
-52
-52
-51
-50
-47
-46
-41
-31
-43
Freezing level m
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Sea lvl1000m2000m3000m4000m5000m
-45-47-49-46-44-40-38-37-36-36-36-36-35-35-34-33-32-31-45-47-49-46-43-42-40-39-39-39-39-38-37-35-33-32-31-32-44-46-48-45-43-42-42-42-42-42-42-41-39-36-32-30-29-32
Sunrise
9:11
9:03
8:53
8:45
8:37
8:30
Sunset
5:34
5:42
5:49
5:57
6:04
6:12

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Portal Mountain Weather (Days 0-3):

The weather forecast for Portal Mountain is: Mostly dry. Extremely cold (max -39°C on Wed morning, min -49°C on Mon night). Winds increasing (calm on Mon night, strong winds from the WSW by Tue afternoon).

Portal Mountain Weather (Days 3-6):

Mostly dry. Extremely cold (max -31°C on Sat morning, min -39°C on Thu morning). Wind will be generally light.

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
-33°C
light snow
Light snow.
Wind obs. (11 kph from 1 degs) was rejected.
2.5 km
Mid: broken
High: overcast
2634 km N
6m alt.
2 hours ago
4°C
No report.
31
Fresh winds from the NW
(31 kph at 320).
ASCATB97E60S
2962 km WSW
15m alt.
3 hours ago
39
Strong winds from the W
(39 kph at 268).
- km
ASCATB99E60S
2967 km WSW
15m alt.
3 hours ago
49
Strong winds from the W
(49 kph at 277).
- km
ASCATB96E60S
2969 km WSW
15m alt.
3 hours ago
42
Strong winds from the W
(42 kph at 275).
- km
ASCATB99E59S
2987 km WSW
15m alt.
3 hours ago
51
Near gales from the W
(51 kph at 276).
- km
ASCATB95E60S
2987 km WSW
15m alt.
3 hours ago
49
Strong winds from the W
(49 kph at 269).
- km
ASCATB98E59S
3020 km WSW
15m alt.
3 hours ago
54
Near gales from the W
(54 kph at 273).
- km
ASCATB94E60S
3023 km WSW
15m alt.
3 hours ago
46
Strong winds from the WSW
(46 kph at 254).
- km
ASCATB93E61S
3023 km WSW
15m alt.
3 hours ago
46
Strong winds from the SW
(46 kph at 233).
- 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