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

Portal Mountain
Weather Forecast, Antarctica

Issued: 11 pm Thu 27 Aug Local Time
Updates in:
hr min s
Update imminent

Days 1–4 Weather Summary

A light covering of new snow mostly falling on Thu night. Extremely cold (max -25°C on Sat morning, min -35°C on Fri afternoon). Winds decreasing (near gales from the S on Thu night, light winds from the N by Sun morning).

Days 5–7 Weather Summary

A dusting of new snow. Extremely cold (max -19°C on Tue night, min -27°C on Wed morning). Wind will be generally light.

Friday
28
Saturday
29
Sunday
30
Monday
31
Tuesday
1
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
light snow
cloud
cloud
light snow
light snow
cloud
cloud
cloud
cloud
cloud
light snow
cloud
light snow
cloud
cloud
part cloud
light snow
cloudy
cloudy
light snow
light snow
cloudy
cloudy
cloudy
cloudy
cloudy
light snow
cloudy
light snow
cloudy
cloudy
some clouds
Cloud base (m)
2100
2100
2100
2050
2100
2100
2100
2100
5200
2100
2100
2100
2100
2100
2100
km/h
55
S
30
S
40
S
45
S
40
S
30
S
20
S
5
N
10
NW
5
S
10
SSE
10
SE
10
ESE
15
NNE
15
N
10
NNW
Weather map
Weather map
Weather map
Weather map
Weather map
Weather map
Snowflake cm
4
1
2
1
1
 mm
max °C
-26
-32
-34
-26
-25
-25
-25
-27
-26
-24
-24
-24
-23
-23
-20
-19
min °C
-30
-34
-35
-32
-25
-25
-27
-27
-26
-25
-25
-25
-24
-24
-22
-24
 chill °C
-47
-51
-54
-50
-41
-39
-37
-34
-34
-32
-34
-32
-31
-33
-31
-34
Freezing level m
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Sea lvl1000m2000m3000m4000m5000m
-32-36-37-32-29-28-28-27-26-25-26-25-23-23-21-22-28-33-35-29-25-25-26-27-26-25-25-25-24-24-21-22-21-29-30-23-19-20-22-26-24-22-21-22-22-22-19-19
Sunrise
10:44
10:33
10:22
10:12
10:03
Sunset
4:07
4:16
4:27
4:36
4:45

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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 Thu night. Extremely cold (max -25°C on Sat morning, min -35°C on Fri afternoon). Winds decreasing (near gales from the S on Thu night, light winds from the N by Sun morning).

Portal Mountain Weather (Days 3-6):

A dusting of new snow. Extremely cold (max -19°C on Tue night, min -27°C on Wed 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.
3 hours ago
-24°C
cloudy
Dry and cloudy.
Wind obs. (20 kph from 340 degs) was rejected.
8.0 km
Low: broken
Mid: overcast
Dumont Durville
1415 km WNW
111m alt.
2 hours ago
-27°C
-
11
Light winds from the E
(11 kph at 90).
ASCATC130E63S
1957 km WNW
15m alt.
2 hours ago
64
Gales from the SE
(64 kph at 136).
- km
Casey
2024 km W
42m alt.
2 hours ago
-22°C
-
28
Moderate winds from the ESE
(28 kph at 120).
ASCATC129E63S
2029 km WNW
15m alt.
2 hours ago
54
Near gales from the SE
(54 kph at 145).
- km
ASCATC128E63S
2045 km WNW
15m alt.
2 hours ago
52
Near gales from the SSE
(52 kph at 148).
- km
ASCATC127E63S
2066 km WNW
15m alt.
2 hours ago
49
Strong winds from the SSE
(49 kph at 156).
- km
ASCATC128E62S
2112 km WNW
15m alt.
2 hours ago
37
Fresh winds from the WSW
(37 kph at 236).
- km
ASCATB126E62S
2121 km WNW
15m alt.
3 hours ago
34
Fresh winds from the SSW
(34 kph at 202).
- km
ASCATC123E63S
2139 km W
15m alt.
2 hours ago
17
Light winds from the WNW
(17 kph at 285).
- 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