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

Portal Mountain
Weather Forecast, Antarctica

Issued: 11 pm Sun 30 Aug Local Time
Updates in:
hr min s
Update imminent

Days 1–4 Weather Summary

Mostly dry. Extremely cold (max -17°C on Tue morning, min -30°C on Wed morning). Winds increasing (calm on Sun night, gales from the WSW by Wed afternoon).

Days 5–7 Weather Summary

Mostly dry. Extremely cold (max -30°C on Wed night, min -37°C on Sat morning). Winds decreasing (severe gales from the WSW on Wed night, light winds from the WSW by Sat afternoon).

Monday
31
Tuesday
1
Wednesday
2
Thursday
3
Friday
4
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
cloud
cloud
cloud
cloud
cloud
cloud
part cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
cloudy
cloudy
cloudy
cloudy
cloudy
cloudy
some clouds
some clouds
clear
clear
clear
clear
clear
clear
clear
clear
Cloud base (m)
2100
2100
2100
2100
2100
2200
4650
km/h
5
N
10
ESE
10
E
10
NNE
15
N
20
NW
20
W
40
WSW
60
WSW
80
WSW
70
WSW
70
WSW
65
SW
55
SW
55
SW
40
WSW
Weather map
Weather map
Weather map
Weather map
Weather map
Weather map
Snowflake cm
 mm
max °C
-21
-21
-21
-18
-17
-18
-22
-29
-29
-30
-34
-34
-35
-35
-34
-34
min °C
-24
-22
-22
-20
-17
-19
-28
-30
-29
-34
-34
-35
-35
-35
-34
-36
 chill °C
-31
-30
-30
-27
-26
-28
-43
-49
-49
-58
-57
-58
-58
-57
-56
-54
Freezing level m
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Sea lvl1000m2000m3000m4000m5000m
-24-23-22-20-19-20-23-27-27-32-35-34-35-34-33-33-23-22-22-19-17-19-25-30-29-32-34-35-35-35-34-35-20-18-19-17-14-16-25-30-30-31-32-34-35-35-35-38
Sunrise
10:12
10:03
9:53
9:45
9:37
Sunset
4:36
4:45
4:53
5:01
5:09

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Portal Mountain Weather (Days 0-3):

The weather forecast for Portal Mountain is: Mostly dry. Extremely cold (max -17°C on Tue morning, min -30°C on Wed morning). Winds increasing (calm on Sun night, gales from the WSW by Wed afternoon).

Portal Mountain Weather (Days 3-6):

Mostly dry. Extremely cold (max -30°C on Wed night, min -37°C on Sat morning). Winds decreasing (severe gales from the WSW on Wed night, light winds from the WSW by Sat afternoon).

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
-25°C
light snow
Light snow.
31
Fresh winds from the E.(Wind varies from 060 to 120 degs)
(31 kph at 90).
4.1 km
Mid: broken
High: broken
hy2c169E63S
1682 km NNE
15m alt.
3 hours ago
63
Gales from the SSW
(63 kph at 205).
- km
hy2c168E63S
1683 km NNE
15m alt.
3 hours ago
62
Gales from the SSW
(62 kph at 208).
- km
hy2c176E64S
1707 km NNE
15m alt.
3 hours ago
29
Fresh winds from the ENE
(29 kph at 72).
- km
ASCATC183E65S
1715 km NE
15m alt.
3 hours ago
30
Fresh winds from the NE
(30 kph at 55).
- km
hy2c180E64S
1716 km NE
15m alt.
3 hours ago
36
Fresh winds from the ENE
(36 kph at 58).
- km
ASCATB183E65S
1716 km NE
15m alt.
2 hours ago
38
Fresh winds from the NE
(38 kph at 38).
- km
hy2c156E63S
1720 km N
15m alt.
3 hours ago
51
Near gales from the SW
(51 kph at 220).
- km
hy2c177E64S
1720 km NNE
15m alt.
3 hours ago
30
Fresh winds from the ENE
(30 kph at 70).
- km
hy2c154E63S
1721 km N
15m alt.
3 hours ago
54
Near gales from the SW
(54 kph at 218).
- 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