– Lat/Long: 78.10° S 159.17° E
Portal Mountain
Weather Forecast, AntarcticaIssued: 11 pm Mon 24 Aug Local TimeUpdates in: hr min sUpdate imminent
Issued: 11 pm Mon 24 Aug Local Time
Updates in:
Update imminent hr min s
Issued: 11 pm Mon 24 Aug Local Time
Updates in:
Update imminent hr min s
3 Portal Mountain Elevations: 3 Forecast Elevations: Days 1–4 Weather SummaryA dusting of new snow. Extremely cold (max -31°C on Thu afternoon, min -40°C on Tue night). Winds decreasing (strong winds from the WSW on Tue night, light winds from the N by Wed afternoon). | Days 5–7 Weather SummaryA moderate fall of snow, heaviest on Fri morning. Extremely cold (max -24°C on Thu night, min -32°C on Fri morning). Winds decreasing (severe gales from the S on Thu night, light winds from the SW by Sun afternoon). | |||||||||||||||
Tuesday 25 | Wednesday 26 | Thursday 27 | Friday 28 | Saturday 29 | ||||||||||||
night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  | | | | |  |  |  |  | | |  | | | | |
clear | clear | clear | clear | clear | clear | some clouds | cloudy | light snow | light snow | light snow | cloudy | cloudy | cloudy | light snow | light snow | |
Cloud base (m) | 2150 | 2100 | 2050 | 2100 | 2100 | 2100 | 2050 | 2050 | 2050 | 2100 | ||||||
km/h | ||||||||||||||||
 |  |  |  |  |  | |||||||||||
 cm | — | — | — | — | — | — | — | — | 1 | 3 | 3 | — | — | — | 1 | 3 |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
max °C | -38 | -37 | -37 | -39 | -39 | -37 | -38 | -35 | -31 | -24 | -29 | -31 | -26 | -26 | -25 | -24 |
min °C | -39 | -37 | -38 | -40 | -40 | -38 | -40 | -37 | -33 | -29 | -32 | -32 | -29 | -26 | -26 | -25 |
chill °C | -54 | -54 | -59 | -61 | -57 | -49 | -57 | -55 | -52 | -46 | -49 | -49 | -44 | -42 | -42 | -41 |
Freezing level m | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
 | — | 11:18 | — | — | 11:07 | — | — | 10:55 | — | — | 10:44 | — | — | 10:33 | — | — |
 | — | — | 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: A dusting of new snow. Extremely cold (max -31°C on Thu afternoon, min -40°C on Tue night). Winds decreasing (strong winds from the WSW on Tue night, light winds from the N by Wed afternoon).
Portal Mountain Weather (Days 3-6):
A moderate fall of snow, heaviest on Fri morning. Extremely cold (max -24°C on Thu night, min -32°C on Fri morning). Winds decreasing (severe gales from the S on Thu night, light winds from the SW by Sun 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.
| Weather Station | Temp. | Weather | Wind | Gusts | Cloud / Visibility |
|---|---|---|---|---|---|
Phoenix Field- McMurdo Station |  | ||||
Williams Field | | ||||
Dumont Durville | |||||
DomeA | |||||
ASCATC140E64S | |||||
ASCATC139E64S | |||||
ASCATC140E63S | |||||
ASCATC138E64S | |||||
ASCATC137E64S | |||||
ASCATC136E64S |
* 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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