– Lat/Long: 78.10° S 159.17° E
Portal Mountain
Weather Forecast, AntarcticaIssued: 11 am Wed 05 Aug Local TimeUpdates in: hr min sUpdate imminent
Issued: 11 am Wed 05 Aug Local Time
Updates in:
Update imminent hr min s
Issued: 11 am Wed 05 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 -25°C on Wed morning, min -31°C on Thu morning). Winds decreasing (strong winds from the SSW on Wed morning, calm by Thu afternoon). | Days 4–6 Weather SummaryMostly dry. Extremely cold (max -29°C on Sun night, min -33°C on Sat afternoon). Winds increasing (light winds from the WSW on Sat afternoon, near gales from the SW by Mon afternoon). | |||||||||||||||||
Wednesday 5 | Thursday 6 | Friday 7 | Saturday 8 | Sunday 9 | Monday 10 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  | |  |  |  | | | | | | | | | | | | | |
some clouds | cloudy | some clouds | some clouds | clear | clear | clear | clear | clear | clear | clear | some clouds | some clouds | clear | clear | clear | clear | clear | |
Cloud base (m) | 2100 | 2150 | 2100 | 2100 | 2100 | |||||||||||||
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
 cm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
max °C | -25 | -25 | -27 | -30 | -31 | -26 | -25 | -27 | -27 | -30 | -32 | -32 | -31 | -30 | -29 | -30 | -30 | -30 |
min °C | -29 | -26 | -30 | -31 | -31 | -30 | -26 | -27 | -29 | -32 | -33 | -33 | -31 | -30 | -29 | -30 | -31 | -30 |
chill °C | -47 | -43 | -39 | -37 | -31 | -39 | -42 | -44 | -42 | -40 | -40 | -41 | -45 | -46 | -46 | -49 | -51 | -50 |
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 -25°C on Wed morning, min -31°C on Thu morning). Winds decreasing (strong winds from the SSW on Wed morning, calm by Thu afternoon).
Portal Mountain Weather (Days 3-6):
Mostly dry. Extremely cold (max -29°C on Sun night, min -33°C on Sat afternoon). Winds increasing (light winds from the WSW on Sat afternoon, near gales from the SW by Mon 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 |  | ||||
ASCATC128E64S | |||||
ASCATC130E64S | |||||
ASCATC129E64S | |||||
ASCATC127E64S | |||||
ASCATB128E64S | |||||
ASCATB127E64S | |||||
ASCATC130E63S | |||||
ASCATC125E64S | |||||
ASCATC126E64S |
* 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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