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

Portal Mountain
Weather Forecast, Antarctica

Issued: 5 am Tue 01 Sep Local Time
Updates in:
hr min s
Update imminent

Days 1–3 Weather Summary

Mostly dry. Extremely cold (max -11°C on Tue afternoon, min -32°C on Thu night). Winds increasing (light winds from the NNW on Tue morning, near gales from the W by Thu morning).

Days 4–6 Weather Summary

Mostly dry. Extremely cold (max -26°C on Sun morning, min -35°C on Fri night). Winds decreasing (fresh winds from the W on Fri morning, light winds from the S by Sun afternoon).

Tuesday
1
Wednesday
2
Thursday
3
Friday
4
Saturday
5
Sunday
6
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
cloud
cloud
cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
cloud
cloud
cloud
cloudy
cloudy
cloudy
some clouds
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
some clouds
cloudy
cloudy
cloudy
Cloud base (m)
2100
2100
2150
4750
9600
2100
km/h
10
NNW
10
NW
20
WNW
30
W
40
W
45
W
50
W
50
W
35
W
30
W
30
W
25
W
25
WNW
20
WNW
20
WNW
10
WNW
5
S
5
SSE
Weather map
Weather map
Weather map
Weather map
Weather map
Weather map
Snowflake cm
 mm
max °C
-12
-11
-15
-29
-27
-25
-26
-26
-28
-32
-32
-34
-34
-34
-33
-26
-26
-29
min °C
-13
-12
-28
-29
-28
-27
-26
-27
-32
-32
-33
-35
-35
-35
-35
-30
-28
-32
 chill °C
-18
-18
-42
-44
-44
-44
-44
-44
-49
-49
-50
-51
-50
-50
-49
-40
-34
-40
Freezing level m
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Sea lvl1000m2000m3000m4000m5000m
-17-18-22-26-25-27-28-28-28-29-30-31-30-29-28-28-30-33-16-16-23-29-27-27-28-28-30-31-32-33-33-32-32-29-30-33-13-12-22-29-28-26-26-27-30-32-33-35-35-35-34-28-27-31
Sunrise
10:03
9:53
9:45
9:37
9:27
9:18
Sunset
4:45
4:53
5:01
5:09
5:19
5:25

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Portal Mountain Weather (Days 0-3):

The weather forecast for Portal Mountain is: Mostly dry. Extremely cold (max -11°C on Tue afternoon, min -32°C on Thu night). Winds increasing (light winds from the NNW on Tue morning, near gales from the W by Thu morning).

Portal Mountain Weather (Days 3-6):

Mostly dry. Extremely cold (max -26°C on Sun morning, min -35°C on Fri night). Winds decreasing (fresh winds from the W on Fri morning, light winds from the S by Sun afternoon).

This table gives the weather forecast for Portal Mountain at the specific elevation of 1000 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
-19°C
cloudy
Dry and cloudy.
33
Fresh winds from the E
(33 kph at 100).
10.0 km
Low: broken
Mid: overcast
1328 km S
3012m alt.
3 hours ago
moderate snow
Ice crystals.
28
Moderate winds from the WNW
(28 kph at 290).
0.6 km
DomeA
1590 km SSW
4084m alt.
1 hour ago
-
Wind obs. (17 kph from 230 degs) was rejected.
ASCATC219E64S
2558 km E
15m alt.
3 hours ago
16
Light winds from the ENE
(16 kph at 67).
- km
ASCATC219E63S
2570 km E
15m alt.
3 hours ago
18
Light winds from the ENE
(18 kph at 76).
- km
ASCATC220E63S
2583 km E
15m alt.
3 hours ago
19
Light winds from the E
(19 kph at 81).
- km
ASCATC217E62S
2631 km E
15m alt.
3 hours ago
23
Moderate winds from the E
(23 kph at 101).
- km
ASCATC216E62S
2632 km E
15m alt.
3 hours ago
25
Moderate winds from the ESE
(25 kph at 108).
- km
2634 km N
6m alt.
1 hour ago
2°C
No report.
19
Light winds from the W
(19 kph at 260).
ASCATC218E63S
2638 km E
15m alt.
3 hours ago
19
Light winds from the ENE
(19 kph at 73).
- 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