– Lat/Long: 78.10° S 159.17° E
Portal Mountain
Weather Forecast, AntarcticaIssued: 5 pm Fri 07 Aug Local TimeUpdates in: hr min sUpdate imminent
Issued: 5 pm Fri 07 Aug Local Time
Updates in:
Update imminent hr min s
Issued: 5 pm Fri 07 Aug Local Time
Updates in:
Update imminent hr min s
3 Portal Mountain Elevations: 3 Forecast Elevations: Days 1–4 Weather SummaryMostly dry. Extremely cold (max -26°C on Fri afternoon, min -34°C on Sun afternoon). Winds decreasing (strong winds from the WSW on Fri afternoon, calm by Sat night). | Days 5–7 Weather SummaryMostly dry. Extremely cold (max -24°C on Thu morning, min -31°C on Mon afternoon). Winds increasing (moderate winds from the WSW on Mon afternoon, near gales from the WSW by Wed night). | ||||||||||||||||
Fri 7 | Saturday 8 | Sunday 9 | Monday 10 | Tuesday 11 | Wednesday 12 | ||||||||||||
PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  | |  | |  | | |  | | | | | | | | |
clear | some clouds | cloudy | cloudy | cloudy | cloudy | some clouds | some clouds | some clouds | clear | clear | clear | clear | clear | clear | clear | clear | |
Cloud base (m) | 5250 | 2100 | 2100 | 2100 | 2100 | 3100 | |||||||||||
km/h | |||||||||||||||||
 |  |  |  |  |  | ||||||||||||
 cm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
max °C | -26 | -27 | -30 | -30 | -32 | -32 | -33 | -32 | -31 | -30 | -30 | -31 | -31 | -30 | -31 | -31 | -28 |
min °C | -27 | -29 | -30 | -31 | -33 | -32 | -34 | -34 | -31 | -31 | -30 | -31 | -31 | -31 | -31 | -31 | -30 |
chill °C | -42 | -36 | -37 | -31 | -33 | -40 | -44 | -46 | -44 | -44 | -43 | -48 | -50 | -50 | -51 | -51 | -50 |
Freezing level m | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
 | — | — | 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. Extremely cold (max -26°C on Fri afternoon, min -34°C on Sun afternoon). Winds decreasing (strong winds from the WSW on Fri afternoon, calm by Sat night).
Portal Mountain Weather (Days 3-6):
Mostly dry. Extremely cold (max -24°C on Thu morning, min -31°C on Mon afternoon). Winds increasing (moderate winds from the WSW on Mon afternoon, near 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 |  | ||||
 | |||||
ASCATB239E69S | |||||
ASCATB240E69S | |||||
ASCATB241E69S | |||||
ASCATC241E69S | |||||
ASCATB242E69S | |||||
ASCATC242E69S | |||||
ASCATB238E68S | |||||
* 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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