– Lat/Long: 78.10° S 159.17° E
Portal Mountain
Weather Forecast, AntarcticaIssued: 11 am Thu 13 Aug Local TimeUpdates in: hr min sUpdate imminent
Issued: 11 am Thu 13 Aug Local Time
Updates in:
Update imminent hr min s
Issued: 11 am Thu 13 Aug Local Time
Updates in:
Update imminent hr min s
3 Portal Mountain Elevations: 3 Forecast Elevations: Days 1–3 Weather SummaryMostly dry. Extremely cold (max -23°C on Fri night, min -34°C on Sat night). Winds increasing (light winds from the W on Fri night, fresh winds from the W by Sat night). | Days 4–6 Weather SummaryMostly dry. Extremely cold (max -27°C on Tue night, min -38°C on Sun night). Winds decreasing (fresh winds from the W on Sun morning, light winds from the W by Tue night). | |||||||||||||||||
Thursday 13 | Friday 14 | Saturday 15 | Sunday 16 | Monday 17 | Tuesday 18 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  | |  | |  | | | |  | |  | | | | | | | |
some clouds | some clouds | some clouds | cloudy | cloudy | cloudy | cloudy | cloudy | some clouds | clear | clear | clear | clear | clear | clear | some clouds | cloudy | cloudy | |
Cloud base (m) | 4000 | 5000 | 4600 | 4200 | 2200 | 3400 | 4550 | 7050 | 2150 | 2150 | 2100 | 2100 | ||||||
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
 cm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
max °C | -30 | -32 | -28 | -27 | -25 | -23 | -25 | -27 | -30 | -33 | -33 | -36 | -35 | -35 | -35 | -32 | -28 | -27 |
min °C | -31 | -32 | -31 | -27 | -26 | -24 | -26 | -28 | -34 | -34 | -34 | -38 | -37 | -37 | -38 | -34 | -29 | -28 |
chill °C | -46 | -47 | -46 | -40 | -37 | -33 | -37 | -42 | -52 | -52 | -49 | -52 | -50 | -52 | -52 | -47 | -40 | -39 |
Freezing level m | 0 | 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 | — | — | 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 -34°C on Sat night). Winds increasing (light winds from the W on Fri night, fresh winds from the W by Sat night).
Portal Mountain Weather (Days 3-6):
Mostly dry. Extremely cold (max -27°C on Tue night, min -38°C on Sun night). Winds decreasing (fresh winds from the W on Sun morning, light winds from the W by Tue night).
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 |  | ||||
 | |||||
DomeA | |||||
ASCATB141E65S | |||||
ASCATB141E64S | |||||
ASCATB142E64S | |||||
ASCATB144E64S | |||||
ASCATB145E64S | |||||
ASCATB140E65S | |||||
ASCATB139E65S |
* 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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