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

Portal Mountain Weather Forecast

Worcester Range · Antarctica
Issued: 5 am Sat 26 Sep Local Time
Updates in:
hr min s
Update imminent 

Days 1–3 Weather Summary

Mostly dry. Extremely cold (max -29°C on Sun afternoon, min -37°C on Mon night). Wind will be generally light.

Days 4–6 Weather Summary

A light covering of new snow mostly falling on Wed night. Extremely cold (max -16°C on Thu morning, min -40°C on Tue afternoon). Winds increasing (light winds from the W on Tue night, fresh winds from the S by Thu morning).

Saturday
26
Sunday
27
Monday
28
Tuesday
29
Wednesday
30
Thursday
1
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
cloud
part cloud
part cloud
cloud
cloud
cloud
part cloud
part cloud
clear
clear
clear
part cloud
clear
clear
light snow
light snow
light snow
light snow
cloudy
some clouds
some clouds
cloudy
cloudy
cloudy
some clouds
some clouds
clear
clear
clear
some clouds
clear
clear
light snow
light snow
light snow
light snow
Cloud base (m)
2100
2100
2100
2150
2050
2100
2100
km/h
20
W
20
W
20
WNW
15
WNW
10
W
10
WSW
15
W
15
W
25
W
20
W
15
WNW
10
W
15
W
15
W
15
W
35
S
30
SSE
20
SSW
Weather map
Weather map
Weather map
Weather map
Weather map
Weather map
Snowflake cm
—
—
—
—
—
—
—
—
—
—
—
—
—
—
1
2
2
2
 mm
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
max °C
-31
-32
-34
-32
-29
-31
-31
-32
-36
-36
-37
-37
-34
-32
-20
-16
-17
-18
min °C
-32
-33
-35
-33
-29
-32
-33
-34
-37
-36
-40
-40
-36
-33
-30
-17
-19
-20
 chill °C
-46
-47
-49
-46
-39
-43
-45
-48
-53
-51
-54
-53
-50
-46
-41
-30
-31
-31
Freezing level m
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Sea lvl1000m2000m3000m4000m5000m
-35-33-32-33-35-37-35-35-35-36-39-39-37-34-30-28-29-30-33-31-31-31-33-35-34-34-35-35-38-38-35-33-28-24-26-26-32-33-35-33-29-32-32-33-37-36-39-39-35-33-25-17-18-19
Sunrise
6:41
—
—
7:33
—
—
6:26
—
—
6:18
—
—
6:09
—
—
6:01
—
—
Sunset
—
7:51
—
—
8:58
—
—
8:06
—
—
8:13
—
—
8:20
—
—
8:28
—

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Portal Mountain Weather (Days 0-3):

The weather forecast for Portal Mountain is: Mostly dry. Extremely cold (max -29°C on Sun afternoon, min -37°C on Mon night). Wind will be generally light.

Portal Mountain Weather (Days 3-6):

A light covering of new snow mostly falling on Wed night. Extremely cold (max -16°C on Thu morning, min -40°C on Tue afternoon). Winds increasing (light winds from the W on Tue night, fresh winds from the S by Thu morning).

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
Phoenix Field- McMurdo Station
177 km E
10m alt.
1 hour ago
-20°C
moderate snow
Blowing moderate snow.
Wind obs. (33 kph from 230 degs) was rejected.
4.8 km
Low: few
Mid: overcast
Williams Field
183 km E
8m alt.
2 hours ago
-19°C
cloudy
Dry and cloudy.
9
Light winds from the N
(9 kph at 1).
8.0 km
Low: overcast
1328 km S
3012m alt.
53 minutes ago
moderate snow
Ice crystals.
Wind obs. (15 kph from 80 degs) was rejected.
2.0 km
ASCATB203E68S
1797 km ENE
15m alt.
2 hours ago
51
Near gales from the NW
(51 kph at 307).
- km
ASCATB201E67S
1802 km ENE
15m alt.
2 hours ago
55
Near gales from the NW
(55 kph at 313).
- km
ASCATB203E67S
1802 km ENE
15m alt.
2 hours ago
50
Strong winds from the NW
(50 kph at 309).
- km
ASCATB202E67S
1803 km ENE
15m alt.
2 hours ago
49
Strong winds from the NW
(49 kph at 310).
- km
ASCATB204E68S
1806 km ENE
15m alt.
2 hours ago
48
Strong winds from the NW
(48 kph at 307).
- km
ASCATB204E67S
1821 km ENE
15m alt.
2 hours ago
46
Strong winds from the NW
(46 kph at 304).
- km
ASCATB205E68S
1823 km ENE
15m alt.
2 hours ago
53
Near gales from the WNW
(53 kph at 302).
- 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