– Lat/Long: 78.10° S 159.17° E
Portal Mountain
Weather Forecast, AntarcticaIssued: 6 am Fri 26 Dec Local TimeUpdates in: hr min sUpdate imminent
Issued: 6 am Fri 26 Dec Local Time
Updates in:
Update imminent hr min s
Issued: 6 am Fri 26 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 -9°C on Fri afternoon, min -15°C on Sun night). Winds decreasing (fresh winds from the SW on Fri morning, calm by Sat morning). | Days 4–6 Weather SummaryA dusting of new snow. Extremely cold (max -11°C on Tue afternoon, min -17°C on Wed night). Winds decreasing (fresh winds from the SW on Mon afternoon, calm by Tue night). | |||||||||||||||||
Friday 26 | Saturday 27 | Sunday 28 | Monday 29 | Tuesday 30 | Wednesday 31 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 | |  |  |  |  | | | | | |  | | |  | | | | |
clear | clear | some clouds | some clouds | cloudy | cloudy | some clouds | some clouds | some clouds | clear | clear | clear | clear | clear | light snow | some clouds | some clouds | clear | |
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
— | — | — | — | — | — | — | — | — | — | — | — | — | — | 2 | — | — | — | |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
max °C | -10 | -9 | -10 | -10 | -10 | -11 | -12 | -12 | -13 | -13 | -12 | -13 | -13 | -11 | -11 | -15 | -15 | -16 |
min °C | -10 | -10 | -11 | -10 | -10 | -12 | -12 | -12 | -15 | -14 | -12 | -14 | -13 | -12 | -16 | -16 | -15 | -17 |
-20 | -17 | -15 | -10 | -10 | -17 | -18 | -20 | -26 | -25 | -23 | -26 | -24 | -21 | -24 | -22 | -20 | -22 | |
0 | 200 | 0 | 200 | 350 | 50 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |
Cloud base (m) | 8550 | 4800 | 2100 | 2100 | 3800 | 4600 | 2100 | 2100 | 3700 | |||||||||
 | 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 -9°C on Fri afternoon, min -15°C on Sun night). Winds decreasing (fresh winds from the SW on Fri morning, calm by Sat morning).
Portal Mountain Weather (Days 3-6):
A dusting of new snow. Extremely cold (max -11°C on Tue afternoon, min -17°C on Wed night). Winds decreasing (fresh winds from the SW on Mon afternoon, calm by Tue night).
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 |
|---|---|---|---|---|---|
Mcmurdo | |||||
Cape Ross | |||||
Williams Field |  | ||||
ASCATC171E77S | |||||
ASCATC170E77S | |||||
ASCATC172E77S | |||||
ASCATC171E76S | |||||
ASCATC173E77S | |||||
ASCATC172E76S | |||||
ASCATC174E77S |
* 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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