– Lat/Long: 78.10° S 159.17° E
Portal Mountain
Weather Forecast, AntarcticaIssued: 5 pm Fri 19 Jun Local TimeUpdates in: hr min sUpdate imminent
Issued: 5 pm Fri 19 Jun Local Time
Updates in:
Update imminent hr min s
Issued: 5 pm Fri 19 Jun Local Time
Updates in:
Update imminent hr min s
3 Portal Mountain Elevations: 3 Forecast Elevations: Days 1–4 Weather SummaryA light covering of new snow mostly falling on Sat afternoon. Extremely cold (max -20°C on Sun morning, min -26°C on Fri night). Winds decreasing (strong winds from the S on Sat night, calm by Mon morning). | Days 5–7 Weather SummaryMostly dry. Extremely cold (max -24°C on Mon afternoon, min -43°C on Thu morning). Winds increasing (light winds from the W on Mon afternoon, gales from the WSW by Wed night). | ||||||||||||||||
Fri 19 | Saturday 20 | Sunday 21 | Monday 22 | Tuesday 23 | Wednesday 24 | ||||||||||||
PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 | |  |  |  | | | |  |  |  | | |  | | | | |
cloudy | cloudy | cloudy | light snow | light snow | light snow | light snow | cloudy | some clouds | clear | clear | clear | clear | some clouds | clear | clear | clear | |
km/h | |||||||||||||||||
 |  |  |  |  |  | ||||||||||||
 cm | — | — | — | 1 | 4 | 2 | 1 | — | — | — | — | — | — | — | — | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
max °C | -25 | -25 | -23 | -23 | -22 | -20 | -21 | -23 | -24 | -24 | -25 | -26 | -27 | -28 | -34 | -36 | -38 |
min °C | -25 | -26 | -24 | -23 | -23 | -21 | -21 | -25 | -24 | -24 | -25 | -26 | -27 | -33 | -35 | -37 | -41 |
chill °C | -37 | -41 | -38 | -37 | -38 | -35 | -34 | -35 | -32 | -33 | -36 | -38 | -41 | -54 | -57 | -60 | -67 |
Freezing level m | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Cloud base (m) | 2050 | 2050 | 2050 | 2050 | 2050 | 2050 | 2100 | 2100 | 2150 | 2100 | 9950 | 4450 | 4000 | ||||
 | — | — | 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: A light covering of new snow mostly falling on Sat afternoon. Extremely cold (max -20°C on Sun morning, min -26°C on Fri night). Winds decreasing (strong winds from the S on Sat night, calm by Mon morning).
Portal Mountain Weather (Days 3-6):
Mostly dry. Extremely cold (max -24°C on Mon afternoon, min -43°C on Thu morning). Winds increasing (light winds from the W on Mon afternoon, gales from the WSW by Wed 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 |
|---|---|---|---|---|---|
Williams Field |  | ||||
ASCATB238E67S | |||||
ASCATC238E67S | |||||
ASCATC239E67S | |||||
ASCATB239E67S | |||||
ASCATB235E66S | |||||
ASCATB244E68S | |||||
ASCATC244E68S | |||||
ASCATB240E67S |
* 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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