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

Portal Mountain Weather Forecast

Worcester Range · Antarctica
Issued: 6 pm Sun 18 Oct Local Time
Updates in:
hr min s
Update imminent 

Days 1–4 Weather Summary

A light covering of new snow mostly falling on Sun night. Extremely cold (max -19°C on Mon afternoon, min -26°C on Tue night). Winds decreasing (strong winds from the SSE on Mon afternoon, light winds from the S by Tue night).

Days 5–7 Weather Summary

Mostly dry. Extremely cold (max -21°C on Fri morning, min -26°C on Fri night). Wind will be generally light.

Sun
18
Monday
19
Tuesday
20
Wednesday
21
Thursday
22
Friday
23
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
cloud
light snow
light snow
light snow
part cloud
clear
clear
part cloud
part cloud
cloud
cloud
part cloud
clear
part cloud
cloud
cloud
cloud
cloudy
light snow
light snow
light snow
some clouds
clear
clear
some clouds
some clouds
cloudy
cloudy
some clouds
clear
some clouds
cloudy
cloudy
cloudy
Cloud base (m)
2050
2100
2100
2100
2100
4300
2250
2200
2100
2150
2100
2100
2100
2150
2100
2100
2100
km/h
20
SSE
30
SSE
40
S
50
SSE
25
SSW
35
SW
20
SW
10
S
10
S
10
SSE
0
WNW
10
S
10
SSW
15
S
20
SSE
20
SSE
15
S
Weather map
Weather map
Weather map
Weather map
Weather map
Weather map
Snowflake cm
—
1
2
2
—
—
—
—
—
—
—
—
—
—
—
—
—
 mm
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
max °C
-22
-21
-20
-19
-21
-24
-25
-25
-23
-23
-23
-22
-22
-22
-21
-22
-23
min °C
-23
-22
-20
-20
-23
-24
-25
-26
-24
-23
-23
-23
-22
-23
-21
-22
-26
 chill °C
-35
-35
-34
-35
-34
-38
-36
-36
-33
-30
-23
-31
-30
-31
-32
-33
-37
Freezing level m
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Sea lvl1000m2000m3000m4000m5000m
-26-25-24-24-23-24-25-26-26-25-25-25-24-25-25-26-27-23-22-20-20-22-24-25-26-24-23-23-23-22-23-21-22-25-16-15-13-12-19-23-23-26-20-18-20-18-18-19-16-16-21
Sunrise
—
—
3:58
—
—
3:42
—
—
3:21
—
—
2:56
—
—
12:00
—
—
Sunset
12:01
—
12:15
—
—
12:32
—
—
12:51
—
—
1:16
—
—
12:00
—
—

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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 Sun night. Extremely cold (max -19°C on Mon afternoon, min -26°C on Tue night). Winds decreasing (strong winds from the SSE on Mon afternoon, light winds from the S by Tue night).

Portal Mountain Weather (Days 3-6):

Mostly dry. Extremely cold (max -21°C on Fri morning, min -26°C on Fri night). Wind will be generally light.

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
-6°C
light snow
Light snow.
Wind obs. (33 kph from 140 degs) was rejected.
10.0 km
Low: broken
Mid: broken
High: overcast
1328 km S
3012m alt.
2 hours ago
-
Wind obs. (19 kph from 330 degs) was rejected.
6.0 km
Mid: scattered
High: broken
Dumont Durville
1415 km WNW
111m alt.
3 hours ago
-18°C
-
7
Light winds from the SSE
(7 kph at 160).
50 km
Mid: clear
DomeA
1590 km SSW
4084m alt.
2 hours ago
-
Wind obs. (6 kph from 230 degs) was rejected.
ASCATB167E63S
1757 km NNE
15m alt.
2 hours ago
55
Near gales from the WSW
(55 kph at 255).
- km
ASCATB183E64S
1821 km NE
15m alt.
3 hours ago
13
Light winds from the N
(13 kph at 354).
- km
ASCATB184E64S
1831 km NE
15m alt.
3 hours ago
15
Light winds from the W
(15 kph at 266).
- km
ASCATB185E64S
1843 km NE
15m alt.
2 hours ago
14
Light winds from the NNW
(14 kph at 332).
- km
ASCATB157E62S
1849 km N
15m alt.
2 hours ago
53
Near gales from the WSW
(53 kph at 248).
- km
ASCATB159E62S
1849 km N
15m alt.
2 hours ago
56
Near gales from the WSW
(56 kph at 247).
- 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