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

Portal Mountain Weather Forecast

Worcester Range · Antarctica
Issued: 6 am 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 Mon afternoon, min -39°C on Tue night). Winds decreasing (fresh winds from the WSW on Mon night, calm by Tue night).

Days 4–6 Weather Summary

A dusting of new snow. Extremely cold (max -22°C on Fri afternoon, min -38°C on Wed morning). Winds increasing (light winds from the SW on Wed night, strong winds from the SSW by Fri afternoon).

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
clear
cloud
cloud
light snow
light snow
some clouds
cloudy
cloudy
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
cloudy
cloudy
light snow
light snow
Cloud base (m)
2100
2100
2150
5050
2150
2050
2100
2050
2050
2100
km/h
5
SW
15
SSE
20
S
15
SSW
15
WSW
30
WSW
25
WSW
20
WSW
5
S
15
WSW
20
WSW
5
SW
10
SSE
10
SSE
25
SSE
25
SSW
45
SSW
35
S
Weather map
Weather map
Weather map
Weather map
Weather map
Weather map
Snowflake cm
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
1
1
 mm
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
max °C
-32
-33
-34
-32
-31
-34
-35
-36
-38
-37
-37
-34
-31
-30
-30
-25
-22
-22
min °C
-32
-34
-34
-33
-32
-35
-35
-38
-39
-38
-37
-37
-32
-30
-33
-28
-23
-29
 chill °C
-40
-47
-47
-46
-48
-53
-51
-50
-47
-51
-52
-49
-42
-39
-47
-42
-39
-42
Freezing level m
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Sea lvl1000m2000m3000m4000m5000m
-34-36-35-33-32-35-36-37-39-38-38-36-34-32-33-30-26-28-32-34-34-33-32-35-35-37-39-38-37-36-32-30-32-27-23-26-34-31-33-33-33-37-37-38-40-38-37-38-31-29-30-23-16-20
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 Mon afternoon, min -39°C on Tue night). Winds decreasing (fresh winds from the WSW on Mon night, calm by Tue night).

Portal Mountain Weather (Days 3-6):

A dusting of new snow. Extremely cold (max -22°C on Fri afternoon, min -38°C on Wed morning). Winds increasing (light winds from the SW on Wed night, strong winds from the SSW by Fri afternoon).

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
Phoenix Field- McMurdo Station
177 km E
10m alt.
3 hours ago
-26°C
partially cloudy
Dry and partly cloudy.
Wind obs. (28 kph from 70 degs) was rejected.
10.0 km
Low: few
Mid: scattered
High: broken
Williams Field
183 km E
8m alt.
2 hours ago
-22°C
clear
Haze -.
28
Moderate winds from the ENE
(28 kph at 70).
5.0 km
Low: overcast
ASCATB205E68S
1842 km ENE
15m alt.
3 hours ago
34
Fresh winds from the NW
(34 kph at 324).
- km
ASCATB205E67S
1857 km ENE
15m alt.
3 hours ago
19
Light winds from the NNW
(19 kph at 331).
- km
ASCATB207E68S
1862 km ENE
15m alt.
3 hours ago
13
Light winds from the NNW
(13 kph at 342).
- km
ASCATB206E67S
1862 km ENE
15m alt.
3 hours ago
17
Light winds from the NNW
(17 kph at 342).
- km
ASCATC207E68S
1866 km ENE
15m alt.
2 hours ago
14
Light winds from the N
(14 kph at 7).
- km
ASCATB206E68S
1868 km ENE
15m alt.
3 hours ago
14
Light winds from the NNE
(14 kph at 13).
- km
ASCATC208E68S
1868 km E
15m alt.
2 hours ago
27
Moderate winds from the NE
(27 kph at 54).
- km
ASCATB208E68S
1878 km E
15m alt.
3 hours ago
22
Moderate winds from the NE
(22 kph at 55).
- 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