– Lat/Long: 78.10° S 159.17° E
Portal Mountain
Weather Forecast, AntarcticaIssued: 11 am Thu 27 Aug Local TimeUpdates in: hr min sUpdate imminent
Issued: 11 am Thu 27 Aug Local Time
Updates in:
Update imminent hr min s
Issued: 11 am Thu 27 Aug Local Time
Updates in:
Update imminent hr min s
3 Portal Mountain Elevations: 3 Forecast Elevations: Days 1–3 Weather SummaryA light covering of new snow mostly falling on Thu afternoon. Extremely cold (max -24°C on Sat afternoon, min -39°C on Thu morning). Winds decreasing (strong winds from the S on Sat morning, calm by Sat night). | Days 4–6 Weather SummaryMostly dry. Extremely cold (max -20°C on Tue afternoon, min -28°C on Sun morning). Wind will be generally light. | |||||||||||||||||
Thursday 27 | Friday 28 | Saturday 29 | Sunday 30 | Monday 31 | Tuesday 1 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  |  | | | | | |  | | | | | | | |  | |
cloudy | light snow | light snow | cloudy | cloudy | light snow | light snow | light snow | cloudy | clear | clear | cloudy | cloudy | cloudy | cloudy | cloudy | cloudy | some clouds | |
Cloud base (m) | 2050 | 2050 | 2050 | 2100 | 2100 | 2050 | 2050 | 2100 | 2100 | 2100 | 2150 | 4850 | 2100 | 2100 | 2100 | 2100 | 2100 | |
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
 cm | — | 2 | 2 | — | — | 1 | 2 | 2 | — | — | — | — | — | — | — | — | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
max °C | -37 | -32 | -26 | -31 | -35 | -27 | -25 | -24 | -25 | -27 | -27 | -23 | -23 | -24 | -22 | -21 | -20 | -20 |
min °C | -39 | -34 | -30 | -33 | -35 | -33 | -25 | -24 | -27 | -28 | -27 | -26 | -23 | -24 | -23 | -21 | -20 | -21 |
chill °C | -59 | -54 | -46 | -49 | -53 | -52 | -42 | -39 | -32 | -39 | -37 | -35 | -30 | -33 | -31 | -28 | -28 | -29 |
Freezing level m | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
 | 10:55 | — | — | 10:44 | — | — | 10:33 | — | — | 10:22 | — | — | 10:12 | — | — | 10:03 | — | — |
 | — | 3:56 | — | — | 4:07 | — | — | 4:16 | — | — | 4:27 | — | — | 4:36 | — | — | 4:45 | — |
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Portal Mountain Weather (Days 0-3):
The weather forecast for Portal Mountain is: A light covering of new snow mostly falling on Thu afternoon. Extremely cold (max -24°C on Sat afternoon, min -39°C on Thu morning). Winds decreasing (strong winds from the S on Sat morning, calm by Sat night).
Portal Mountain Weather (Days 3-6):
Mostly dry. Extremely cold (max -20°C on Tue afternoon, min -28°C on Sun morning). Wind will be generally light.
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 |
|---|---|---|---|---|---|
Williams Field |  | ||||
Jang Bogo Station | |||||
Dumont Durville | |||||
DomeA | |||||
Casey | |||||
ASCATB116E62S | |||||
ASCATB117E62S | |||||
ASCATB115E62S | |||||
ASCATB114E62S |
* 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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