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

Portal Mountain Weather Forecast

Worcester Range · Antarctica
Issued: 12 pm Sun 27 Sep Local Time
Updates in:
hr min s
Update imminent 

Days 1–3 Weather Summary

Mostly dry. Extremely cold (max -31°C on Sun afternoon, min -40°C on Tue night). Wind will be generally light.

Days 4–6 Weather Summary

A dusting of new snow. Extremely cold (max -16°C on Fri night, min -39°C on Wed night). Mainly fresh winds.

Sunday
27
Monday
28
Tuesday
29
Wednesday
30
Thursday
1
Friday
2
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
part cloud
cloud
cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
light snow
cloud
cloud
light snow
some clouds
cloudy
cloudy
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
some clouds
light snow
cloudy
cloudy
light snow
Cloud base (m)
2100
2100
2150
2150
2100
2050
2050
2100
km/h
15
WNW
10
W
10
W
15
W
15
WNW
20
WNW
20
W
20
WNW
15
WNW
15
WNW
20
WNW
15
WNW
15
WNW
15
WNW
10
SSE
10
WSW
15
SW
20
SSE
Weather map
Weather map
Weather map
Weather map
Weather map
Weather map
Snowflake cm
—
—
—
—
—
—
—
—
—
—
—
—
—
—
1
—
—
3
 mm
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
max °C
-33
-31
-32
-32
-32
-37
-35
-36
-38
-37
-35
-37
-31
-23
-20
-22
-17
-16
min °C
-35
-31
-33
-33
-34
-37
-36
-38
-40
-38
-36
-39
-34
-28
-27
-24
-19
-32
 chill °C
-48
-41
-44
-46
-48
-51
-51
-52
-54
-52
-51
-53
-46
-39
-34
-33
-28
-41
Freezing level m
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Sea lvl1000m2000m3000m4000m5000m
-33-36-36-33-33-35-35-36-38-37-37-36-34-31-31-31-27-29-32-34-35-33-33-35-35-36-38-37-36-35-32-28-28-28-24-28-34-31-33-33-33-37-36-37-39-38-36-38-33-26-24-23-18-24
Sunrise
8:30
—
—
7:22
—
—
7:15
—
—
7:07
—
—
6:58
—
—
6:50
—
—
Sunset
—
—
10:01
—
9:08
—
—
9:16
—
—
9:23
—
—
9:31
—
—
9:38
—

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Portal Mountain Weather (Days 0-3):

The weather forecast for Portal Mountain is: Mostly dry. Extremely cold (max -31°C on Sun afternoon, min -40°C on Tue night). Wind will be generally light.

Portal Mountain Weather (Days 3-6):

A dusting of new snow. Extremely cold (max -16°C on Fri night, min -39°C on Wed night). Mainly fresh winds.

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.
Wind obs. (19 kph from 150 degs) was rejected.
7.0 km
Low: overcast
1328 km S
3012m alt.
1 hour ago
moderate snow
Ice crystals.
Wind obs. (19 kph from 80 degs) was rejected.
2.0 km
ASCATB146E63S
1796 km NW
15m alt.
2 hours ago
63
Gales from the W
(63 kph at 259).
- km
ASCATB145E63S
1803 km NW
15m alt.
2 hours ago
68
Gales from the SW
(68 kph at 233).
- km
ASCATB146E62S
1808 km NW
15m alt.
2 hours ago
63
Gales from the W
(63 kph at 263).
- km
ASCATB148E62S
1809 km NW
15m alt.
2 hours ago
70
Gales from the WSW
(70 kph at 243).
- km
ASCATB143E63S
1810 km NW
15m alt.
2 hours ago
66
Gales from the SW
(66 kph at 236).
- km
ASCATB144E63S
1811 km NW
15m alt.
2 hours ago
67
Gales from the WSW
(67 kph at 242).
- km
ASCATB147E62S
1813 km NW
15m alt.
2 hours ago
64
Gales from the WSW
(64 kph at 253).
- km
ASCATB145E62S
1815 km NW
15m alt.
2 hours ago
71
Gales from the WSW
(71 kph at 238).
- 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