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

Portal Mountain
Weather Forecast, Antarctica

Issued: 11 am Mon 24 Aug Local Time
Updates in:
hr min s
Update imminent

Days 1–3 Weather Summary

Mostly dry. Extremely cold (max -38°C on Mon morning, min -40°C on Tue night). Winds increasing (light winds from the W on Mon morning, strong winds from the WSW by Tue night).

Days 4–6 Weather Summary

A dusting of new snow. Extremely cold (max -24°C on Sat morning, min -38°C on Thu morning). Winds decreasing (near gales from the S on Thu night, light winds from the SSW by Sat night).

Monday
24
Tuesday
25
Wednesday
26
Thursday
27
Friday
28
Saturday
29
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
cloud
cloud
light snow
light snow
cloud
cloud
cloud
cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
some clouds
cloudy
cloudy
light snow
light snow
cloudy
cloudy
cloudy
cloudy
some clouds
Cloud base (m)
2050
2100
2050
2050
2100
2100
2050
2050
2050
2100
km/h
10
W
15
W
25
WSW
35
W
40
WSW
50
WSW
35
W
15
NNW
20
ESE
30
SSE
40
S
45
SSE
25
SSE
25
SSE
30
S
45
S
35
S
20
SSW
Weather map
Weather map
Weather map
Weather map
Weather map
Weather map
Snowflake cm
2
1
 mm
max °C
-38
-38
-38
-38
-38
-39
-40
-38
-39
-36
-32
-25
-30
-34
-25
-24
-25
-25
min °C
-38
-39
-39
-38
-38
-40
-40
-39
-40
-38
-34
-30
-33
-34
-32
-24
-25
-26
 chill °C
-47
-54
-55
-57
-58
-62
-59
-53
-55
-56
-52
-48
-47
-50
-48
-40
-40
-37
Freezing level m
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Sea lvl1000m2000m3000m4000m5000m
-38-38-38-37-37-39-39-37-40-38-36-31-35-35-30-27-27-27-38-39-39-38-38-40-40-39-40-37-33-28-32-34-29-24-25-26-39-41-41-40-40-43-45-43-41-35-28-21-25-31-25-19-21-24
Sunrise
11:33
11:18
11:07
10:55
10:44
10:33
Sunset
3:19
3:33
3:45
3:56
4:07
4:16

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Portal Mountain Weather (Days 0-3):

The weather forecast for Portal Mountain is: Mostly dry. Extremely cold (max -38°C on Mon morning, min -40°C on Tue night). Winds increasing (light winds from the W on Mon morning, strong winds from the WSW by Tue night).

Portal Mountain Weather (Days 3-6):

A dusting of new snow. Extremely cold (max -24°C on Sat morning, min -38°C on Thu morning). Winds decreasing (near gales from the S on Thu night, light winds from the SSW by Sat night).

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
-30°C
clear
-
Wind obs. (20 kph from 120 degs) was rejected.
10.0 km
DomeA
1590 km SSW
4084m alt.
1 hour ago
-
Wind obs. (22 kph from 230 degs) was rejected.
2634 km N
475m alt.
1 hour ago
1°C
-
19
Light winds from the WSW
(19 kph at 250).
lightning
2687 km N
0m alt.
2 hours ago
thunderstorm
Thunderstorm
ASCATC103E61S
2754 km W
15m alt.
3 hours ago
37
Fresh winds from the N
(37 kph at 351).
- km
ASCATC102E61S
2760 km WSW
15m alt.
3 hours ago
35
Fresh winds from the N
(35 kph at 349).
- km
ASCATC104E60S
2771 km W
15m alt.
3 hours ago
28
Moderate winds from the NNW
(28 kph at 348).
- km
ASCATC101E61S
2774 km WSW
15m alt.
3 hours ago
39
Strong winds from the N
(39 kph at 352).
- km
ASCATB101E61S
2797 km WSW
15m alt.
3 hours ago
45
Strong winds from the N
(45 kph at 355).
- km
ASCATC103E60S
2797 km W
15m alt.
3 hours ago
28
Moderate winds from the NNW
(28 kph at 349).
- 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