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 -16°C on Mon night, min -27°C on Sun afternoon). Wind will be generally light.

Days 4–6 Weather Summary

Mostly dry. Extremely cold (max -14°C on Tue afternoon, min -30°C on Wed afternoon). Winds increasing (calm on Tue morning, gales from the W by Wed night).

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
30
SSW
15
SSW
15
W
15
NW
15
WNW
10
WNW
5
S
5
SSE
5
W
5
NNW
10
NNW
20
WNW
25
WNW
45
WNW
55
W
65
W
65
WSW
55
WSW
Weather map
Weather map
Weather map
Weather map
Weather map
Weather map
Snowflake cm
2
1
1
1
 mm
max °C
-17
-18
-21
-26
-27
-18
-18
-20
-16
-15
-14
-19
-28
-29
-29
-29
-29
-29
min °C
-18
-20
-24
-26
-27
-24
-20
-21
-21
-15
-18
-27
-28
-30
-30
-29
-29
-30
 chill °C
-30
-28
-32
-36
-38
-34
-26
-25
-21
-19
-27
-40
-42
-48
-49
-49
-49
-49
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 -16°C on Mon night, min -27°C on Sun afternoon). Wind will be generally light.

Portal Mountain Weather (Days 3-6):

Mostly dry. Extremely cold (max -14°C on Tue afternoon, min -30°C on Wed afternoon). Winds increasing (calm on Tue morning, gales from the W by Wed night).

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
-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
1328 km S
3012m alt.
2 hours 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
ASCATC154E63S
1678 km N
15m alt.
2 hours ago
35
Fresh winds from the WNW
(35 kph at 301).
- km
ASCATB152E63S
1685 km NW
15m alt.
3 hours ago
49
Strong winds from the WNW
(49 kph at 292).
- km
ASCATB148E63S
1687 km NW
15m alt.
3 hours ago
63
Gales from the SSW
(63 kph at 202).
- km
ASCATC153E63S
1687 km N
15m alt.
2 hours ago
39
Strong winds from the WNW
(39 kph at 298).
- km
ASCATC155E63S
1693 km N
15m alt.
2 hours ago
34
Fresh winds from the WNW
(34 kph at 298).
- 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