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

Portal Mountain
Weather Forecast, Antarctica

Issued: 11 pm Sat 23 May Local Time
Updates in:
hr min s
Update imminent

Days 1–4 Weather Summary

A light covering of new snow mostly falling on Sun morning. Extremely cold (max -17°C on Sun morning, min -31°C on Mon night). Winds decreasing (fresh winds from the S on Sun night, light winds from the SW by Mon morning).

Days 5–7 Weather Summary

Mostly dry. Extremely cold (max -25°C on Tue night, min -33°C on Thu night). Wind will be generally light.

Sunday
24
Monday
25
Tuesday
26
Wednesday
27
Thursday
28
Friday
29
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
cloud
light snow
light snow
light snow
cloud
cloud
part cloud
part cloud
cloud
cloud
cloud
cloud
part cloud
clear
clear
part cloud
cloud
cloud
part cloud
cloudy
light snow
light snow
light snow
cloudy
cloudy
some clouds
some clouds
cloudy
cloudy
cloudy
cloudy
some clouds
clear
clear
some clouds
cloudy
cloudy
some clouds
km/h
25
WSW
20
SW
25
SSW
25
S
15
SSW
15
SW
25
W
25
W
20
WNW
10
W
10
SW
15
W
15
WNW
20
WNW
20
WNW
20
WNW
15
W
20
W
15
W
Snow map
Snow map
Snow map
Snow map
Snow map
Snow map
Snow map
1
2
2
max °C
-19
-17
-17
-18
-27
-27
-28
-29
-28
-25
-25
-26
-30
-31
-31
-32
-28
-26
-25
min °C
-23
-19
-18
-28
-28
-28
-31
-31
-28
-27
-26
-28
-32
-31
-32
-33
-29
-27
-28
-35
-30
-29
-38
-38
-38
-46
-46
-40
-37
-35
-39
-45
-44
-45
-46
-40
-39
-39
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Cloud base (m)
2050
2100
2100
2100
2100
2050
2050
2050
2150
2100
2050
2050
2100
2100
2150
2150
2150
2050
2050
Sea lvl1000m2000m3000m4000m5000m
-28-27-28-32-36-35-32-29-30-32-33-32-29-28-27-28-30-31-29-25-24-25-29-33-33-31-29-29-30-30-30-30-29-29-30-30-29-28-21-18-18-23-28-28-30-30-28-26-26-27-31-31-32-33-29-27-27
Sunrise
12:00
12:00
12:00
12:00
12:00
12:00
Sunset
12:00
12:00
12:00
12:00
12:00
12:00

Loading...

Portal Mountain Weather (Days 0-3):

The weather forecast for Portal Mountain is: A light covering of new snow mostly falling on Sun morning. Extremely cold (max -17°C on Sun morning, min -31°C on Mon night). Winds decreasing (fresh winds from the S on Sun night, light winds from the SW by Mon morning).

Portal Mountain Weather (Days 3-6):

Mostly dry. Extremely cold (max -25°C on Tue night, min -33°C on Thu night). 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
-9° C
cloudy
Dry and cloudy.
Wind obs. (41 kph from 220 degs) was rejected.
10.0 km
Low: few
Mid: broken
High: overcast
ASCATC176E75S
571 km ENE
15m alt.
3 hours ago
53
Near gales from the WNW
(53 kph at 284).
- km
ASCATC177E75S
608 km ENE
15m alt.
3 hours ago
55
Near gales from the W
(55 kph at 278).
- km
Dumont Durville
1415 km WNW
111m alt.
55 minutes ago
-21° C
-
2
Calm
(2 kph at 300).
ASCATB158E64S
1625 km N
15m alt.
3 hours ago
66
Gales from the NW
(66 kph at 311).
- km
ASCATC156E64S
1627 km N
15m alt.
2 hours ago
51
Near gales from the NW
(51 kph at 306).
- km
ASCATC157E64S
1628 km N
15m alt.
2 hours ago
71
Gales from the NW
(71 kph at 310).
- km
ASCATC158E64S
1629 km N
15m alt.
2 hours ago
60
Near gales from the NW
(60 kph at 313).
- km
ASCATB157E64S
1630 km N
15m alt.
3 hours ago
66
Gales from the NW
(66 kph at 312).
- km
ASCATC155E64S
1631 km N
15m alt.
2 hours ago
49
Strong winds from the NW
(49 kph at 308).
- 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