– Lat/Long: 78.10° S 159.17° E
Portal Mountain
Weather Forecast, AntarcticaIssued: 11am Tue 22 Jun Local TimeUpdates in: hr min sUpdate imminent
Portal MountainWeather Forecast, Antarctica
Issued: 11am Tue 22 Jun Local Time
Updates in: hr min s
Update imminent Issued: 11am Tue 22 Jun Local Time
Updates in: hr min s
Update imminent 
Portal Mountain Weather (Days 0-3):A dusting of new snow. Extremely cold (max -25°C on Tue night, min -29°C on Tue morning). Mainly strong winds. |
(Days 3-6):Mostly dry. Extremely cold (max -28°C on Fri morning, min -34°C on Sun night). Wind will be generally light. |
(Days 6-9):Mostly dry. Extremely cold (max -33°C on Wed afternoon, min -36°C on Tue night). Winds increasing (light winds from the WSW on Mon afternoon, strong winds from the WSW by Wed morning). |
(Days 10-12):Mostly dry. Extremely cold (max -33°C on Sat night, min -38°C on Fri afternoon). Wind will be generally light. |
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Tuesday
22
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Wednesday
23
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Thursday
24
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Friday
25
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Saturday
26
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Sunday
27
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Monday
28
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Tuesday
29
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Wednesday
30
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Thursday
1
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Friday
2
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Saturday
3
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AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night |
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Wind
km/h
|
 35 |
30 |
30 |
35 |
40 |
35 |
25 |
25 |
30 |
25 |
25 |
15 |
15 |
10 |
10 |
20 |
15 |
15 |
10 |
10 |
10 |
15 |
20 |
30 |
50 |
50 |
30 |
10 |
10 |
15 |
10 |
5 |
5 |
15 |
20 |
10 |
| cloudy | cloudy | cloudy | cloudy | light snow | cloudy | cloudy | cloudy | cloudy | cloudy | cloudy | cloudy | cloudy | cloudy | cloudy | cloudy | cloudy | some clouds | clear | clear | clear | clear | clear | clear | clear | clear | some clouds | cloudy | cloudy | cloudy | cloudy | cloudy | some clouds | some clouds | some clouds | some clouds | |
Rain
mm
|
- | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
Snow
cm
|
- | - | - | - | 1 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
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High
°C
|
-28 | -28 | -25 | -25 | -25 | -26 | -28 | -27 | -26 | -28 | -30 | -30 | -30 | -30 | -30 | -32 | -31 | -32 | -35 | -35 | -34 | -34 | -35 | -35 | -34 | -33 | -33 | -37 | -37 | -36 | -36 | -37 | -37 | -37 | -35 | -33 |
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Low
°C
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-29 | -29 | -27 | -25 | -26 | -27 | -28 | -28 | -27 | -29 | -31 | -31 | -30 | -30 | -31 | -33 | -32 | -34 | -35 | -35 | -35 | -34 | -35 | -36 | -35 | -33 | -35 | -37 | -37 | -36 | -37 | -38 | -38 | -37 | -37 | -35 |
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Chill
°C
|
-44 | -42 | -39 | -40 | -41 | -41 | -42 | -41 | -40 | -41 | -44 | -41 | -41 | -39 | -40 | -46 | -42 | -43 | -46 | -45 | -43 | -45 | -50 | -55 | -54 | -53 | -50 | -48 | -48 | -48 | -45 | -45 | -45 | -50 | -49 | -43 |
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Freezing level
m
|
0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
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12:00 | - | - | 12:00 | - | - | 12:00 | - | - | 12:00 | - | - | 12:00 | - | - | 12:00 | - | - | 12:00 | - | - | 12:00 | - | - | 12:00 | - | - | 12:00 | - | - | 12:00 | - | - | 12:00 | - | - |
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- | 12:00 | - | - | 12:00 | - | - | 12:00 | - | - | 12:00 | - | - | 12:00 | - | - | 12:00 | - | - | 12:00 | - | - | 12:00 | - | - | 12:00 | - | - | 12:00 | - | - | 12:00 | - | - | 12:00 | - |
Portal Mountain Weather (Days 0-3):
The weather forecast for Portal Mountain is: A dusting of new snowExtremely cold (max -25°C on Tue night, min -29°C on Tue morning)Mainly strong winds.
Portal Mountain Weather (Days 3-6):
Mostly dryExtremely cold (max -28°C on Fri morning, min -34°C on Sun night)Wind will be generally light.
Portal Mountain Weather (Days 6-9):
Mostly dryExtremely cold (max -33°C on Wed afternoon, min -36°C on Tue night)Winds increasing (light winds from the WSW on Mon afternoon, strong winds from the WSW by Wed morning).
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.
| Weather Station | Temp. | Weather | Wind | Cloud / Visibility |
|---|---|---|---|---|
Mcmurdo Base |  | |||
CapeRoss | ||||
Linda | ||||
Marilyn | ||||
Ferrell |
* 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.
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