– Lat/Long: 78.10° S 159.17° E
Portal Mountain
Weather Forecast, AntarcticaIssued: 5 pm Thu 06 Aug Local TimeUpdates in: hr min sUpdate imminent
Issued: 5 pm Thu 06 Aug Local Time
Updates in:
Update imminent hr min s
Issued: 5 pm Thu 06 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 -24°C on Fri morning, min -34°C on Sat night). Winds decreasing (fresh winds from the WSW on Fri afternoon, calm by Sat night). | Days 5–7 Weather SummaryMostly dry. Extremely cold (max -28°C on Mon night, min -35°C on Sun afternoon). Winds increasing (light winds from the WSW on Sun afternoon, stormy winds from the WSW by Tue afternoon). | ||||||||||||||||
Thu 6 | Friday 7 | Saturday 8 | Sunday 9 | Monday 10 | Tuesday 11 | ||||||||||||
PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 | |  | | |  | |  | | |  | | | | | | | |
clear | clear | clear | clear | clear | cloudy | cloudy | cloudy | cloudy | cloudy | some clouds | clear | clear | clear | clear | clear | clear | |
Cloud base (m) | 2150 | 2100 | 4500 | 2100 | 2100 | 2050 | 2050 | 3900 | |||||||||
km/h | |||||||||||||||||
 |  |  |  |  |  | ||||||||||||
 cm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
max °C | -30 | -26 | -24 | -25 | -27 | -29 | -30 | -31 | -34 | -34 | -31 | -30 | -29 | -28 | -32 | -32 | -32 |
min °C | -30 | -30 | -25 | -26 | -29 | -29 | -31 | -34 | -34 | -35 | -34 | -30 | -29 | -31 | -32 | -33 | -33 |
chill °C | -39 | -39 | -39 | -42 | -37 | -36 | -37 | -34 | -34 | -43 | -45 | -45 | -45 | -54 | -56 | -58 | -58 |
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 -24°C on Fri morning, min -34°C on Sat night). Winds decreasing (fresh winds from the WSW on Fri afternoon, calm by Sat night).
Portal Mountain Weather (Days 3-6):
Mostly dry. Extremely cold (max -28°C on Mon night, min -35°C on Sun afternoon). Winds increasing (light winds from the WSW on Sun afternoon, stormy winds from the WSW by Tue afternoon).
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 |  | ||||
ASCATB260E68S | |||||
ASCATC261E68S | |||||
ASCATB258E67S | |||||
ASCATB259E67S | |||||
ASCATB260E67S | |||||
ASCATC260E67S | |||||
ASCATC261E67S | |||||
ASCATB261E67S |
* 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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