– Lat/Long: 78.10° S 159.17° E
Portal Mountain
Weather Forecast, AntarcticaIssued: 11 am Wed 09 Sep Local TimeUpdates in: hr min sUpdate imminent
Issued: 11 am Wed 09 Sep Local Time
Updates in:
Update imminent hr min s
Issued: 11 am Wed 09 Sep 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 -29°C on Fri afternoon, min -42°C on Wed morning). Wind will be generally light. | Days 4–6 Weather SummaryMostly dry. Extremely cold (max -25°C on Sun afternoon, min -29°C on Sat morning). Mainly fresh winds. | |||||||||||||||||
Wednesday 9 | Thursday 10 | Friday 11 | Saturday 12 | Sunday 13 | Monday 14 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 | |  |  | |  | | | | | | | | | | | | | |
clear | clear | some clouds | cloudy | cloudy | cloudy | cloudy | cloudy | cloudy | cloudy | cloudy | cloudy | cloudy | cloudy | cloudy | cloudy | cloudy | cloudy | |
Cloud base (m) | 2100 | 2050 | 2050 | 2050 | 2050 | 2100 | 2100 | 2100 | 2100 | 2100 | 2050 | 2100 | 2150 | 2100 | 2100 | |||
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
 cm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
max °C | -41 | -40 | -35 | -34 | -34 | -32 | -30 | -29 | -29 | -29 | -28 | -27 | -26 | -25 | -25 | -25 | -25 | -27 |
min °C | -42 | -40 | -39 | -35 | -34 | -34 | -32 | -29 | -29 | -29 | -29 | -29 | -27 | -25 | -26 | -26 | -27 | -29 |
chill °C | -58 | -55 | -53 | -47 | -46 | -48 | -47 | -43 | -43 | -42 | -40 | -40 | -39 | -38 | -40 | -40 | -40 | -40 |
Freezing level m | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
 | 8:53 | — | — | 8:45 | — | — | 8:37 | — | — | 8:30 | — | — | 8:22 | — | — | 8:15 | — | — |
 | — | 5:49 | — | — | 5:57 | — | — | 6:04 | — | — | 6:12 | — | — | 6:19 | — | — | 6:25 | — |
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Portal Mountain Weather (Days 0-3):
The weather forecast for Portal Mountain is: Mostly dry. Extremely cold (max -29°C on Fri afternoon, min -42°C on Wed morning). Wind will be generally light.
Portal Mountain Weather (Days 3-6):
Mostly dry. Extremely cold (max -25°C on Sun afternoon, min -29°C on Sat morning). Mainly fresh winds.
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 |  | ||||
ASCATB133E64S | |||||
ASCATB134E63S | |||||
ASCATB133E63S | |||||
ASCATB131E64S | |||||
ASCATB132E64S | |||||
ASCATB128E64S | |||||
ASCATB132E63S | |||||
ASCATB127E64S |
* 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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