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 -23°C on Sat night, min -33°C on Mon morning). Winds decreasing (near gales from the S on Sun night, light winds from the SSW by Tue afternoon).

Days 5–7 Weather Summary

Mostly dry. Extremely cold (max -28°C on Thu morning, min -30°C on Tue 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
40
SSW
40
S
45
S
40
S
35
S
25
S
40
SW
25
SW
15
SSW
15
S
25
S
20
SSW
10
SW
10
WSW
10
SW
10
WSW
15
SSW
20
SSW
20
SSW
Snow map
Snow map
Snow map
Snow map
Snow map
Snow map
Snow map
1
2
2
max °C
-23
-24
-24
-25
-33
-32
-30
-28
-28
-29
-30
-30
-29
-28
-29
-29
-30
-29
-27
min °C
-27
-24
-25
-32
-33
-33
-31
-29
-29
-30
-30
-30
-30
-29
-29
-30
-30
-29
-28
-44
-40
-41
-48
-50
-48
-46
-43
-39
-42
-44
-43
-40
-38
-37
-36
-42
-42
-40
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

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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 -23°C on Sat night, min -33°C on Mon morning). Winds decreasing (near gales from the S on Sun night, light winds from the SSW by Tue afternoon).

Portal Mountain Weather (Days 3-6):

Mostly dry. Extremely cold (max -28°C on Thu morning, min -30°C on Tue night). 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
-10° C
cloudy
Dry and cloudy.
Wind obs. (30 kph from 150 degs) was rejected.
10.0 km
Low: scattered
Mid: overcast
ASCATB158E64S
1625 km N
15m alt.
3 hours ago
66
Gales from the NW
(66 kph at 311).
- km
ASCATB157E64S
1630 km N
15m alt.
3 hours ago
66
Gales from the NW
(66 kph at 312).
- km
ASCATB156E64S
1632 km N
15m alt.
3 hours ago
53
Near gales from the NW
(53 kph at 310).
- km
ASCATB155E64S
1632 km N
15m alt.
3 hours ago
52
Near gales from the NW
(52 kph at 311).
- km
ASCATB154E64S
1638 km N
15m alt.
3 hours ago
51
Near gales from the NW
(51 kph at 309).
- km
ASCATB153E64S
1641 km NW
15m alt.
3 hours ago
54
Near gales from the NW
(54 kph at 307).
- km
ASCATB152E64S
1645 km NW
15m alt.
3 hours ago
54
Near gales from the NW
(54 kph at 312).
- km
ASCATB151E64S
1650 km NW
15m alt.
3 hours ago
51
Near gales from the NW
(51 kph at 311).
- km
ASCATB150E64S
1657 km NW
15m alt.
3 hours ago
51
Near gales from the NW
(51 kph at 314).
- 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