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

Portal Mountain
Weather Forecast, Antarctica

Issued: 6 pm Thu 18 Dec Local Time
Updates in:
hr min s
Update imminent

Days 1–4 Weather Summary

Mostly dry. Extremely cold (max -19°C on Thu afternoon, min -21°C on Fri afternoon). Winds decreasing (near gales from the SW on Thu night, light winds from the SW by Sat morning).

Days 5–7 Weather Summary

Mostly dry. Extremely cold (max -18°C on Tue morning, min -21°C on Sun afternoon). Winds increasing (fresh winds from the WSW on Sun afternoon, stormy winds from the SSW by Wed morning).

Thu
18
Friday
19
Saturday
20
Sunday
21
Monday
22
Tuesday
23
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
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
 km/h
45
SW
50
SW
55
SW
50
SW
40
SW
25
SSW
20
SW
30
SW
30
SW
30
WSW
50
WSW
55
SW
60
SW
70
SW
75
SW
80
SW
85
SW
 cm 
 mm 
max°C
-19
-19
-20
-20
-21
-21
-21
-20
-21
-21
-21
-21
-20
-19
-18
-18
-19
min°C
-20
-20
-20
-21
-21
-21
-21
-21
-21
-21
-21
-21
-20
-19
-18
-18
-20
chill°C 
-35
-36
-36
-36
-36
-32
-32
-34
-34
-34
-36
-37
-36
-36
-35
-36
-39
Freezing level (m
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Cloud base (m)
7950
Sea lvl1000m2000m3000m4000m5000m
-20-20-20-21-21-21-21-21-21-21-21-21-20-19-18-18-20-18-18-19-18-20-20-18-20-19-18-20-19-18-17-16-15-17-13-15-15-13-17-15-13-17-15-13-15-15-13-13-12-10-11
Sunrise
12:00
12:00
12:00
12:00
12:00
Sunset
12:00
12:00
12:00
12:00
12:00
12:00

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Portal Mountain Weather (Days 0-3):

The weather forecast for Portal Mountain is: Mostly dry. Extremely cold (max -19°C on Thu afternoon, min -21°C on Fri afternoon). Winds decreasing (near gales from the SW on Thu night, light winds from the SW by Sat morning).

Portal Mountain Weather (Days 3-6):

Mostly dry. Extremely cold (max -18°C on Tue morning, min -21°C on Sun afternoon). Winds increasing (fresh winds from the WSW on Sun afternoon, stormy winds from the SSW by Wed morning).

This table gives the weather forecast for Portal Mountain at the specific elevation of 2555 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 5 closest weather stations

Weather StationTemp.WeatherWindGusts
Cloud
Visibility
Cloud / Visibility
Phoenix Field- McMurdo Station
177 km E
10m alt.
2 hours ago
-9° C
clear
-
15
Light winds from the ENE
(15 kph at 60).
10.0 km
Low: few
Mid: few
Cape Ross
181 km NNE
212m alt.
43 minutes ago
-3° C
-
Wind obs. (9 kph from 290 degs) was rejected.
Williams Field
183 km E
8m alt.
2 hours ago
-2° C
clear
Clear
7
Light winds from the N
(7 kph at 1).
10.0 km
Mcmurdo Williams
185 km E
22m alt.
2 hours ago
-9° C
clear
-
13
Light winds from the NE
(13 kph at 40).
10.0 km
Low: few
Mid: few
MarioZuchelliStation (Baia Terra Nova)
401 km NNE
93m alt.
43 minutes ago
-1° C
-
Wind obs. (7 kph from 330 degs) was rejected.
Priestley Glacier
500 km N
1925m alt.
43 minutes ago
-18° C
-
Wind obs. (11 kph from 140 degs) was rejected.
Cape Phillips
632 km NNE
780m alt.
43 minutes ago
-8° C
-
52
Near gales from the SW
(52 kph at 230).
1328 km S
3012m alt.
2 hours ago
-29° C
moderate snow
Ice crystals.
Wind obs. (17 kph from 50 degs) was rejected.
8.0 km
Mid: few
High: broken
DomeA
1590 km SSW
4084m alt.
43 minutes ago
-42° C
-
13
Light winds from the E
(13 kph at 80).
SHIP7730
2022 km W
15m alt.
3 hours ago
-1° C
72
Gales from the ENE
(72 kph at 70).
- 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