Portal Mountain
Weather Forecast,
Antarctica
Days 0-3 Portal Mountain Weather Summary:A dusting of new snow. Extremely cold (max -22°C on Tue afternoon, min -26°C on Mon night). Winds decreasing (gales from the SSE on Mon morning, light winds from the WSW by Tue afternoon). |
Days 3-6 Portal Mountain Weather Summary:Mostly dry. Extremely cold (max -24°C on Wed night, min -33°C on Sat night). Winds decreasing (near gales from the SW on Thu night, moderate winds from the W by Fri night). |
Days 6-9 Portal Mountain Weather Summary:Mostly dry. Extremely cold (max -27°C on Mon morning, min -37°C on Sat night). Winds decreasing (strong winds from the SSE on Sun morning, light winds from the WSW by Tue morning). |
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Sunday
31
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Monday
1
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Tue
2
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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 |
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Wind
km/h
|
 20 |
65 |
70 |
55 |
45 |
15 |
50 |
30 |
30 |
25 |
25 |
45 |
50 |
40 |
35 |
25 |
30 |
35 |
25 |
35 |
35 |
25 |
15 |
25 |
15 |
10 |
10 |
| clear | light snow | light snow | cloudy | some clouds | clear | clear | clear | clear | clear | clear | clear | clear | clear | clear | clear | clear | clear | clear | some clouds | some clouds | some clouds | clear | clear | clear | clear | clear | |
Rain
mm
|
- | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
Snow
cm
|
- | 1 | 2 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
|
High
°C
|
-24 | -25 | -25 | -25 | -26 | -22 | -22 | -22 | -23 | -24 | -25 | -25 | -25 | -25 | -24 | -25 | -27 | -29 | -33 | -35 | -33 | -29 | -27 | -27 | -28 | -30 | -32 |
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Low
°C
|
-25 | -25 | -25 | -26 | -26 | -24 | -23 | -22 | -23 | -25 | -25 | -26 | -26 | -25 | -24 | -27 | -28 | -31 | -37 | -37 | -34 | -32 | -28 | -27 | -30 | -31 | -33 |
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Chill
°C
|
-36 | -44 | -45 | -43 | -43 | -35 | -36 | -35 | -36 | -37 | -38 | -41 | -42 | -41 | -38 | -38 | -42 | -46 | -49 | -54 | -50 | -38 | -40 | -41 | -39 | -39 | -42 |
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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 |
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- | 8:41 | - | - | 8:48 | - | - | 8:56 | - | - | 9:03 | - | - | 9:11 | - | - | 9:18 | - | - | 9:26 | - | - | 9:33 | - | - | 9:41 | - |
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- | - | 8:12 | - | - | 8:05 | - | - | 7:57 | - | - | 7:49 | - | - | 7:40 | - | - | 7:32 | - | - | 7:25 | - | - | 7:17 | - | - | 7:09 |
Issued local time.
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.
| Weather Station | Temp. | Weather | Wind | Cloud / Visibility |
|---|---|---|---|---|
Marble Point | ||||
Mcmurdo Base | ||||
CapeRoss | ||||
Williams Field | | |||
BaiaTerraNova |
* 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. We also include passing Ship data if it is recorded close to Portal Mountain and within an acceptable time window.
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