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

Portal Mountain
Weather Forecast, Antarctica

Issued: 11 am Sat 29 Aug Local Time
Updates in:
hr min s
Update imminent

Days 1–3 Weather Summary

A light covering of new snow mostly falling on Sat morning. Extremely cold (max -18°C on Mon night, min -27°C on Sat night). Winds decreasing (strong winds from the S on Sat morning, calm by Sun night).

Days 4–6 Weather Summary

Mostly dry. Extremely cold (max -18°C on Tue morning, min -33°C on Thu morning). Winds increasing (moderate winds from the NNE on Tue morning, stormy winds from the WSW by Thu morning).

Saturday
29
Sunday
30
Monday
31
Tuesday
1
Wednesday
2
Thursday
3
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
light snow
light snow
cloud
part cloud
part cloud
cloud
light snow
cloud
light snow
cloud
cloud
part cloud
cloud
part cloud
clear
clear
clear
clear
light snow
light snow
cloudy
some clouds
some clouds
cloudy
light snow
cloudy
light snow
cloudy
cloudy
some clouds
cloudy
some clouds
clear
clear
clear
clear
Cloud base (m)
2100
2100
2100
2100
2150
2150
2150
2100
2100
2100
2100
5100
5600
5250
km/h
45
S
30
S
15
S
15
NNW
15
NW
5
N
10
ESE
10
E
10
NNE
20
NNE
25
N
25
WNW
40
WNW
70
W
85
WSW
90
WSW
90
SW
80
SW
Weather map
Weather map
Weather map
Weather map
Weather map
Weather map
Snowflake cm
2
1
1
1
 mm
max °C
-25
-25
-25
-27
-27
-23
-23
-23
-18
-18
-18
-20
-27
-30
-30
-32
-33
-32
min °C
-25
-25
-27
-27
-27
-25
-23
-23
-22
-18
-19
-26
-28
-31
-32
-33
-33
-33
 chill °C
-42
-39
-32
-38
-37
-33
-32
-32
-30
-28
-30
-40
-47
-53
-56
-58
-58
-57
Freezing level m
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Sea lvl1000m2000m3000m4000m5000m
-29-28-28-26-26-25-24-24-21-19-19-21-25-29-31-35-35-34-25-25-26-27-27-24-23-23-20-18-19-23-28-31-31-33-33-33-18-19-23-26-27-21-19-21-19-15-16-23-28-30-30-29-29-30
Sunrise
10:33
10:22
10:12
10:03
9:53
9:45
Sunset
4:16
4:27
4:36
4:45
4:53
5:01

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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 Sat morning. Extremely cold (max -18°C on Mon night, min -27°C on Sat night). Winds decreasing (strong winds from the S on Sat morning, calm by Sun night).

Portal Mountain Weather (Days 3-6):

Mostly dry. Extremely cold (max -18°C on Tue morning, min -33°C on Thu morning). Winds increasing (moderate winds from the NNE on Tue morning, stormy winds from the WSW by Thu morning).

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.
1 hour ago
-18°C
light snow
Light snow.
22
Moderate winds from the E
(22 kph at 80).
3.4 km
Mid: overcast
Jang Bogo Station
410 km NNE
29m alt.
1 hour ago
-19°C
-
7
Light winds from the N
(7 kph at 0).
40 km
Mid: clear
ASCATC177E76S
478 km ENE
15m alt.
4 hours ago
47
Strong winds from the WNW
(47 kph at 285).
- km
1328 km S
3012m alt.
1 hour ago
moderate snow
Ice crystals.
Wind obs. (7 kph from 130 degs) was rejected.
8.0 km
Dumont Durville
1415 km WNW
111m alt.
1 hour ago
-17°C
-
35
Fresh winds from the SE
(35 kph at 140).
40 km
Mid: few
1555 km S
2835m alt.
1 hour ago
-
Wind obs. (7 kph from 140 degs) was rejected.
28 km
Mid: clear
ASCATC153E63S
1667 km NW
15m alt.
4 hours ago
34
Fresh winds from the NW
(34 kph at 311).
- km
ASCATB152E63S
1685 km NW
15m alt.
2 hours ago
49
Strong winds from the WNW
(49 kph at 292).
- km
ASCATB148E63S
1687 km NW
15m alt.
2 hours ago
63
Gales from the SSW
(63 kph at 202).
- km
ASCATC149E63S
1695 km NW
15m alt.
4 hours ago
53
Near gales from the WSW
(53 kph at 238).
- 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