– Lat/Long: 78.10° S 159.17° E
Portal Mountain
Weather Forecast, AntarcticaIssued: 5 pm Sun 21 Jun Local TimeUpdates in: hr min sUpdate imminent
Issued: 5 pm Sun 21 Jun Local Time
Updates in:
Update imminent hr min s
Issued: 5 pm Sun 21 Jun 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 -20°C on Sun afternoon, min -33°C on Wed morning). Winds increasing (light winds from the SW on Sun night, near gales from the WSW by Tue night). | Days 5–7 Weather SummaryMostly dry. Extremely cold (max -32°C on Fri night, min -38°C on Thu morning). Winds decreasing (near gales from the WSW on Wed night, light winds from the SSW by Thu night). | ||||||||||||||||
Sun 21 | Monday 22 | Tuesday 23 | Wednesday 24 | Thursday 25 | Friday 26 | ||||||||||||
PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  |  | | | |  | | | | | | |  | | | |
cloudy | some clouds | clear | some clouds | some clouds | clear | clear | clear | clear | clear | clear | clear | some clouds | cloudy | cloudy | cloudy | cloudy | |
km/h | |||||||||||||||||
 |  |  |  |  |  | ||||||||||||
 cm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
max °C | -20 | -21 | -24 | -24 | -24 | -26 | -28 | -30 | -33 | -34 | -35 | -38 | -37 | -34 | -33 | -34 | -32 |
min °C | -21 | -22 | -24 | -24 | -25 | -27 | -29 | -32 | -33 | -34 | -37 | -38 | -38 | -36 | -34 | -35 | -34 |
chill °C | -33 | -30 | -36 | -34 | -39 | -44 | -47 | -52 | -54 | -55 | -59 | -58 | -52 | -46 | -47 | -49 | -49 |
Freezing level m | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Cloud base (m) | 2100 | 2100 | 8000 | 5200 | |||||||||||||
 | — | — | 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 -20°C on Sun afternoon, min -33°C on Wed morning). Winds increasing (light winds from the SW on Sun night, near gales from the WSW by Tue night).
Portal Mountain Weather (Days 3-6):
Mostly dry. Extremely cold (max -32°C on Fri night, min -38°C on Thu morning). Winds decreasing (near gales from the WSW on Wed night, light winds from the SSW by Thu night).
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 |  | ||||
 | |||||
ASCATB255E69S | |||||
ASCATB246E67S | |||||
ASCATB247E67S | |||||
ASCATB256E69S | |||||
ASCATB257E69S | |||||
ASCATB252E68S | |||||
ASCATB248E67S | |||||
ASCATB253E68S |
* 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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