– Lat/Long: 78.10° S 159.17° E
Portal Mountain
Weather Forecast, AntarcticaIssued: 6 am Wed 24 Dec Local TimeUpdates in: hr min sUpdate imminent
Issued: 6 am Wed 24 Dec Local Time
Updates in:
Update imminent hr min s
Issued: 6 am Wed 24 Dec Local Time
Updates in:
Update imminent hr min s
3 Portal Mountain Elevations: 3 Forecast Elevations: Days 1–3 Weather SummaryMostly dry. Temperatures will be well below freezing (max -10°C on Thu afternoon, min -18°C on Wed afternoon). Winds decreasing (severe gales from the SW on Wed morning, calm by Fri afternoon). | Days 4–6 Weather SummaryA dusting of new snow. Extremely cold (max -15°C on Sat morning, min -16°C on Sat afternoon). Winds increasing (calm on Sat night, fresh winds from the SSW by Mon night). | |||||||||||||||||
Wednesday 24 | Thursday 25 | Friday 26 | Saturday 27 | Sunday 28 | Monday 29 | |||||||||||||
AM | 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 | cloudy | light snow | light snow | cloudy | some clouds | clear | clear | clear | clear | some clouds | |
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
— | — | — | — | — | — | — | — | — | 1 | 2 | — | — | — | — | — | — | — | |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
max °C | -17 | -17 | -14 | -12 | -10 | -10 | -10 | -11 | -12 | -15 | -16 | -16 | -15 | -15 | -15 | -16 | -15 | -15 |
min °C | -17 | -18 | -17 | -13 | -11 | -10 | -10 | -11 | -14 | -15 | -16 | -16 | -16 | -15 | -16 | -16 | -15 | -15 |
-34 | -35 | -34 | -28 | -24 | -21 | -17 | -15 | -21 | -23 | -23 | -16 | -23 | -22 | -26 | -26 | -25 | -26 | |
0 | 0 | 0 | 0 | 100 | 0 | 150 | 500 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |
Cloud base (m) | 5700 | 2100 | 2100 | 2100 | 2100 | 2100 | 5350 | |||||||||||
 | 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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Portal Mountain Weather (Days 0-3):
The weather forecast for Portal Mountain is: Mostly dry. Temperatures will be well below freezing (max -10°C on Thu afternoon, min -18°C on Wed afternoon). Winds decreasing (severe gales from the SW on Wed morning, calm by Fri afternoon).
Portal Mountain Weather (Days 3-6):
A dusting of new snow. Extremely cold (max -15°C on Sat morning, min -16°C on Sat afternoon). Winds increasing (calm on Sat night, fresh winds from the SSW by Mon night).
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 | Gusts | Cloud / Visibility |
|---|---|---|---|---|---|
Phoenix Field- McMurdo Station |  | ||||
Mcmurdo | |||||
Cape Ross | |||||
Williams Field | | ||||
Mcmurdo Williams | | ||||
ASCATB175E77S | |||||
MarioZuchelliStation (Baia Terra Nova) | |||||
ASCATB176E77S | |||||
ASCATB177E77S | |||||
ASCATB178E77S |
* 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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