– Lat/Long: 78.10° S 159.17° E
Portal Mountain
Weather Forecast, AntarcticaIssued: 11 pm Fri 14 Aug Local TimeUpdates in: hr min sUpdate imminent
Issued: 11 pm Fri 14 Aug Local Time
Updates in:
Update imminent hr min s
Issued: 11 pm Fri 14 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 -23°C on Fri night, min -38°C on Sun night). Winds increasing (light winds from the WNW on Fri night, fresh winds from the W by Sat night). | Days 5–7 Weather SummaryMostly dry. Extremely cold (max -28°C on Tue night, min -40°C on Tue morning). Winds increasing (light winds from the W on Tue afternoon, strong winds from the W by Thu afternoon). | |||||||||||||||
Saturday 15 | Sunday 16 | Monday 17 | Tuesday 18 | Wednesday 19 | ||||||||||||
night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  |  |  | |  | | | | | | | | | | |
cloudy | cloudy | some clouds | some clouds | clear | clear | clear | clear | clear | clear | clear | some clouds | cloudy | cloudy | cloudy | clear | |
Cloud base (m) | 3500 | 4150 | 4950 | 2150 | 2150 | 2100 | 2100 | 2100 | 2100 | |||||||
km/h | ||||||||||||||||
 |  |  |  |  |  | |||||||||||
 cm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
max °C | -23 | -25 | -28 | -31 | -34 | -35 | -37 | -35 | -35 | -34 | -39 | -31 | -28 | -29 | -31 | -32 |
min °C | -24 | -26 | -30 | -33 | -34 | -36 | -38 | -36 | -37 | -37 | -40 | -36 | -29 | -29 | -32 | -34 |
chill °C | -34 | -39 | -45 | -51 | -52 | -50 | -52 | -49 | -52 | -55 | -55 | -49 | -42 | -43 | -47 | -50 |
Freezing level m | 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 | — | — |
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Portal Mountain Weather (Days 0-3):
The weather forecast for Portal Mountain is: Mostly dry. Extremely cold (max -23°C on Fri night, min -38°C on Sun night). Winds increasing (light winds from the WNW on Fri night, fresh winds from the W by Sat night).
Portal Mountain Weather (Days 3-6):
Mostly dry. Extremely cold (max -28°C on Tue night, min -40°C on Tue morning). Winds increasing (light winds from the W on Tue afternoon, strong winds from the W by Thu afternoon).
This table gives the weather forecast for Portal Mountain at the specific elevation of 1000 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 |  | ||||
Dumont Durville | |||||
ASCATC139E65S | |||||
ASCATC140E64S | |||||
ASCATB138E64S | |||||
ASCATC139E64S | |||||
ASCATB137E64S | |||||
ASCATC138E64S | |||||
ASCATC137E64S | |||||
ASCATB136E64S |
* 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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