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

Portal Mountain
Weather Forecast, Antarctica

Issued: 11 pm Thu 03 Sep Local Time
Updates in:
hr min s
Update imminent

Days 1–4 Weather Summary

Mostly dry. Extremely cold (max -27°C on Thu night, min -36°C on Sat night). Winds decreasing (gales from the WSW on Thu night, calm by Sat night).

Days 5–7 Weather Summary

Mostly dry. Extremely cold (max -34°C on Wed afternoon, min -41°C on Mon night). Winds increasing (light winds from the WNW on Sun night, fresh winds from the WNW by Wed morning).

Friday
4
Saturday
5
Sunday
6
Monday
7
Tuesday
8
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
clear
clear
clear
clear
clear
clear
part cloud
cloud
cloud
cloud
part cloud
clear
clear
clear
clear
part cloud
clear
clear
clear
clear
clear
clear
some clouds
cloudy
cloudy
cloudy
some clouds
clear
clear
clear
clear
some clouds
Cloud base (m)
4000
2100
2050
2050
2100
2150
2150
2200
2100
2100
km/h
65
WSW
55
WSW
55
WSW
45
WSW
25
WSW
10
WSW
5
SSW
5
SW
5
SW
10
NNW
20
NNW
25
NNW
15
NNW
10
NE
10
N
25
WNW
Weather map
Weather map
Weather map
Weather map
Weather map
Weather map
Snowflake cm
 mm
max °C
-27
-30
-30
-31
-33
-34
-35
-35
-35
-35
-37
-40
-40
-40
-40
-37
min °C
-30
-30
-31
-33
-33
-35
-36
-36
-35
-36
-39
-40
-41
-41
-40
-40
 chill °C
-50
-50
-51
-50
-48
-42
-36
-42
-42
-49
-55
-57
-54
-52
-51
-55
Freezing level m
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Sea lvl1000m2000m3000m4000m5000m
-28-29-30-31-31-33-35-36-36-37-39-40-40-40-39-37-29-30-31-32-33-35-36-36-35-36-38-40-41-41-40-39-28-31-33-34-36-37-35-33-33-33-36-39-41-41-40-41
Sunrise
9:37
9:27
9:18
9:11
9:03
Sunset
5:09
5:19
5:25
5:34
5:42

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Portal Mountain Weather (Days 0-3):

The weather forecast for Portal Mountain is: Mostly dry. Extremely cold (max -27°C on Thu night, min -36°C on Sat night). Winds decreasing (gales from the WSW on Thu night, calm by Sat night).

Portal Mountain Weather (Days 3-6):

Mostly dry. Extremely cold (max -34°C on Wed afternoon, min -41°C on Mon night). Winds increasing (light winds from the WNW on Sun night, fresh winds from the WNW by Wed 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.
2 hours ago
-27°C
light snow
Light snow.
35
Fresh winds from the E
(35 kph at 80).
8.0 km
1328 km S
3012m alt.
2 hours ago
-
33
Fresh winds from the S
(33 kph at 180).
1.2 km
High: scattered
DomeA
1590 km SSW
4084m alt.
3 hours ago
-
Wind obs. (11 kph from 230 degs) was rejected.
ASCATB181E65S
1673 km NE
15m alt.
3 hours ago
27
Moderate winds from the NNE
(27 kph at 26).
- km
ASCATC182E65S
1695 km NE
15m alt.
3 hours ago
22
Moderate winds from the NNE
(22 kph at 21).
- km
ASCATB182E65S
1696 km NE
15m alt.
3 hours ago
21
Moderate winds from the NNE
(21 kph at 33).
- km
ASCATC183E65S
1707 km NE
15m alt.
3 hours ago
26
Moderate winds from the NNW
(26 kph at 341).
- km
ASCATB183E65S
1709 km NE
15m alt.
3 hours ago
21
Moderate winds from the NE
(21 kph at 51).
- km
ASCATC156E63S
1737 km N
15m alt.
3 hours ago
22
Moderate winds from the ENE
(22 kph at 71).
- km
ASCATB178E64S
1741 km NNE
15m alt.
3 hours ago
45
Strong winds from the NE
(45 kph at 42).
- 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