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

Portal Mountain
Weather Forecast, Antarctica

Issued: 11 pm Mon 29 Jun Local Time
Updates in:
hr min s
Update imminent

Days 1–4 Weather Summary

Mostly dry. Extremely cold (max -28°C on Mon night, min -35°C on Thu afternoon). Winds increasing (light winds from the S on Tue night, near gales from the W by Wed night).

Days 5–7 Weather Summary

Mostly dry. Extremely cold (max -24°C on Sat afternoon, min -33°C on Thu night). Winds decreasing (fresh winds from the S on Fri morning, light winds from the WSW by Sat morning).

Tuesday
30
Wednesday
1
Thursday
2
Friday
3
Saturday
4
Sunday
5
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
cloud
cloud
cloud
part cloud
cloud
cloud
part cloud
clear
clear
part cloud
cloud
cloud
part cloud
part cloud
clear
part cloud
part cloud
part cloud
cloud
cloudy
cloudy
cloudy
some clouds
cloudy
cloudy
some clouds
clear
clear
some clouds
cloudy
cloudy
some clouds
some clouds
clear
some clouds
some clouds
some clouds
cloudy
km/h
25
S
25
S
20
SSW
10
SSW
15
S
20
S
30
WSW
50
W
30
WSW
20
SSE
35
S
30
S
15
SW
10
SW
5
WNW
10
NNW
15
NW
10
WNW
10
WNW
Weather map
Weather map
Weather map
Weather map
Weather map
Weather map
Weather map
Snowflake cm
 mm
max °C
-28
-29
-29
-28
-29
-30
-29
-31
-34
-29
-27
-26
-25
-25
-24
-24
-26
-27
-25
min °C
-30
-29
-29
-30
-30
-31
-30
-33
-35
-33
-27
-26
-26
-25
-25
-25
-27
-27
-26
 chill °C
-43
-43
-42
-40
-41
-44
-42
-52
-48
-44
-43
-40
-38
-33
-31
-35
-37
-36
-34
Freezing level m
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Cloud base (m)
2100
2100
2100
2100
2100
2050
2450
2100
2100
2150
4500
4600
4000
4700
Sea lvl1000m2000m3000m4000m5000m
-31-31-30-29-31-32-29-32-34-32-30-29-25-23-23-24-25-25-25-29-29-29-29-30-31-30-32-35-31-27-26-26-25-25-25-27-27-26-27-26-28-29-28-30-34-37-40-31-22-22-27-27-26-25-27-29-25
Sunrise
12:00
12:00
12:00
12:00
12:00
12:00
Sunset
12:00
12:00
12:00
12:00
12:00
12:00

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Portal Mountain Weather (Days 0-3):

The weather forecast for Portal Mountain is: Mostly dry. Extremely cold (max -28°C on Mon night, min -35°C on Thu afternoon). Winds increasing (light winds from the S on Tue night, near gales from the W by Wed night).

Portal Mountain Weather (Days 3-6):

Mostly dry. Extremely cold (max -24°C on Sat afternoon, min -33°C on Thu night). Winds decreasing (fresh winds from the S on Fri morning, light winds from the WSW by Sat 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
-16° C
cloudy
Dry and cloudy.
Wind obs. (24 kph from 80 degs) was rejected.
10.0 km
Low: few
Mid: overcast
1328 km S
3012m alt.
1 hour ago
moderate snow
Ice crystals.
Wind obs. (15 kph from 70 degs) was rejected.
8.0 km
ASCATB168E63S
1765 km NNE
15m alt.
3 hours ago
53
Near gales from the WNW
(53 kph at 291).
- km
ASCATC168E63S
1766 km NNE
15m alt.
3 hours ago
53
Near gales from the WNW
(53 kph at 289).
- km
ASCATC169E63S
1774 km NNE
15m alt.
3 hours ago
56
Near gales from the WNW
(56 kph at 283).
- km
ASCATB169E63S
1774 km NNE
15m alt.
3 hours ago
57
Near gales from the WNW
(57 kph at 294).
- km
ASCATC170E63S
1780 km NNE
15m alt.
3 hours ago
53
Near gales from the WNW
(53 kph at 288).
- km
ASCATB170E63S
1780 km NNE
15m alt.
3 hours ago
55
Near gales from the WNW
(55 kph at 288).
- km
ASCATC171E63S
1784 km NNE
15m alt.
3 hours ago
54
Near gales from the WNW
(54 kph at 290).
- km
ASCATC172E63S
1792 km NNE
15m alt.
3 hours ago
55
Near gales from the WNW
(55 kph at 292).
- 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