– Lat/Long: 78.10° S 159.17° E
Portal Mountain
Weather Forecast, AntarcticaIssued: 5 am Tue 25 Aug Local TimeUpdates in: hr min sUpdate imminent
Issued: 5 am Tue 25 Aug Local Time
Updates in:
Update imminent hr min s
Issued: 5 am Tue 25 Aug Local Time
Updates in:
Update imminent hr min s
3 Portal Mountain Elevations: 3 Forecast Elevations: Days 1–3 Weather SummaryA dusting of new snow. Extremely cold (max -17°C on Thu night, min -45°C on Tue night). Winds increasing (calm on Wed night, strong winds from the S by Thu night). | Days 4–6 Weather SummaryA dusting of new snow. Extremely cold (max -20°C on Sat morning, min -31°C on Fri afternoon). Wind will be generally light. | |||||||||||||||||
Tuesday 25 | Wednesday 26 | Thursday 27 | Friday 28 | Saturday 29 | Sunday 30 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  | | | |  |  | |  |  | |  | | | | | | | |
clear | clear | clear | clear | clear | some clouds | cloudy | cloudy | light snow | light snow | cloudy | cloudy | light snow | cloudy | cloudy | cloudy | cloudy | cloudy | |
Cloud base (m) | 2050 | 2050 | 2050 | 2100 | 2100 | 2050 | 2050 | 2100 | 2150 | 2100 | 2100 | 2100 | ||||||
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
 cm | — | — | — | — | — | — | — | — | 4 | 1 | — | — | 1 | — | — | — | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
max °C | -39 | -40 | -42 | -45 | -41 | -39 | -31 | -25 | -17 | -25 | -28 | -22 | -20 | -21 | -21 | -25 | -29 | -24 |
min °C | -40 | -41 | -45 | -45 | -43 | -42 | -35 | -27 | -21 | -30 | -31 | -26 | -20 | -23 | -23 | -29 | -30 | -28 |
chill °C | -55 | -58 | -63 | -62 | -58 | -49 | -47 | -40 | -33 | -41 | -41 | -35 | -31 | -32 | -32 | -34 | -37 | -36 |
Freezing level m | 0 | 0 | 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 | — | — | 10:22 | — | — |
 | — | 3:33 | — | — | 3:45 | — | — | 3:56 | — | — | 4:07 | — | — | 4:16 | — | — | 4:27 | — |
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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 -17°C on Thu night, min -45°C on Tue night). Winds increasing (calm on Wed night, strong winds from the S by Thu night).
Portal Mountain Weather (Days 3-6):
A dusting of new snow. Extremely cold (max -20°C on Sat morning, min -31°C on Fri afternoon). Wind will be generally light.
This table gives the weather forecast for Portal Mountain at the specific elevation of 1000 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 | | ||||
Jang Bogo Station | |||||
 | |||||
Dumont Durville | |||||
DomeA | |||||
Casey | |||||
ASCATC113E63S | |||||
ASCATC113E62S |
* 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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