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 -24°C on Mon night, min -40°C on Thu afternoon). Mainly fresh winds.

Days 5–7 Weather Summary

Mostly dry. Extremely cold (max -22°C on Fri morning, min -37°C on Thu night). Wind will be generally light.

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
20
WSW
15
WSW
20
W
15
WNW
15
W
15
W
25
W
30
WNW
20
WNW
15
W
15
SW
20
WSW
20
W
20
WNW
15
WNW
15
NW
15
WNW
15
WNW
15
WNW
Weather map
Weather map
Weather map
Weather map
Weather map
Weather map
Weather map
Snowflake cm
 mm
max °C
-24
-25
-27
-27
-27
-29
-33
-36
-39
-25
-22
-22
-25
-26
-25
-24
-25
-29
-23
min °C
-30
-26
-28
-30
-28
-30
-34
-38
-40
-37
-22
-22
-28
-27
-26
-25
-28
-29
-27
 chill °C
-42
-37
-39
-42
-39
-43
-50
-54
-55
-50
-32
-32
-40
-39
-37
-36
-40
-41
-38
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 -24°C on Mon night, min -40°C on Thu afternoon). Mainly fresh winds.

Portal Mountain Weather (Days 3-6):

Mostly dry. Extremely cold (max -22°C on Fri morning, min -37°C on Thu night). Wind will be generally light.

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
-16° C
light snow
Light snow.
Wind obs. (19 kph from 110 degs) was rejected.
9.0 km
Low: scattered
Mid: scattered
High: broken
1328 km S
3012m alt.
2 hours ago
moderate snow
Ice crystals.
Wind obs. (15 kph from 70 degs) was rejected.
8.0 km
ASCATB144E64S
1702 km NW
15m alt.
2 hours ago
41
Strong winds from the NNW
(41 kph at 340).
- km
ASCATB145E64S
1702 km NW
15m alt.
2 hours ago
39
Strong winds from the NNW
(39 kph at 337).
- km
ASCATB168E63S
1761 km NNE
15m alt.
2 hours ago
62
Gales from the WNW
(62 kph at 291).
- km
ASCATB167E63S
1762 km NNE
15m alt.
2 hours ago
66
Gales from the WNW
(66 kph at 287).
- km
ASCATB169E63S
1766 km NNE
15m alt.
2 hours ago
55
Near gales from the WNW
(55 kph at 293).
- km
ASCATC168E63S
1766 km NNE
15m alt.
3 hours ago
53
Near gales from the WNW
(53 kph at 289).
- km
ASCATB170E63S
1773 km NNE
15m alt.
2 hours ago
62
Gales from the WNW
(62 kph at 293).
- km
ASCATC169E63S
1774 km NNE
15m alt.
3 hours ago
56
Near gales from the WNW
(56 kph at 283).
- 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