– Lat/Long: 78.10° S 159.17° E
Portal Mountain
Weather Forecast, AntarcticaIssued: 5 am Sun 16 Aug Local TimeUpdates in: hr min sUpdate imminent
Issued: 5 am Sun 16 Aug Local Time
Updates in:
Update imminent hr min s
Issued: 5 am Sun 16 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 -26°C on Tue night, min -40°C on Tue morning). Mainly fresh winds. | Days 4–6 Weather SummaryMostly dry. Extremely cold (max -27°C on Thu night, min -39°C on Fri night). Winds decreasing (near gales from the W on Thu morning, moderate winds from the WNW by Fri night). | |||||||||||||||||
Sunday 16 | Monday 17 | Tuesday 18 | Wednesday 19 | Thursday 20 | Friday 21 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  | |  | | | |  |  | | | | | | | | | | |
clear | clear | clear | some clouds | clear | clear | clear | cloudy | cloudy | cloudy | cloudy | clear | clear | clear | clear | clear | clear | clear | |
Cloud base (m) | 6600 | 2150 | 3400 | 2150 | 2150 | 2100 | 2100 | 2150 | 2150 | 5100 | ||||||||
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
 cm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
max °C | -34 | -36 | -35 | -34 | -34 | -35 | -39 | -31 | -26 | -28 | -30 | -31 | -30 | -29 | -27 | -33 | -34 | -36 |
min °C | -34 | -38 | -38 | -36 | -35 | -38 | -40 | -36 | -30 | -28 | -32 | -34 | -31 | -29 | -32 | -34 | -35 | -39 |
chill °C | -51 | -52 | -51 | -51 | -51 | -55 | -55 | -49 | -43 | -43 | -48 | -51 | -51 | -48 | -49 | -52 | -53 | -55 |
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 | — | — | 12:26 | — | — |
 | 12:00 | — | — | 12:00 | — | — | 12:00 | — | — | 12:00 | — | — | 12:00 | — | — | 2:26 | — | — |
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Portal Mountain Weather (Days 0-3):
The weather forecast for Portal Mountain is: Mostly dry. Extremely cold (max -26°C on Tue night, min -40°C on Tue morning). Mainly fresh winds.
Portal Mountain Weather (Days 3-6):
Mostly dry. Extremely cold (max -27°C on Thu night, min -39°C on Fri night). Winds decreasing (near gales from the W on Thu morning, moderate winds from the WNW by Fri 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 |  | ||||
ASCATB199E62S | |||||
ASCATB200E62S | |||||
ASCATB200E63S | |||||
ASCATB201E63S | |||||
ASCATB201E62S | |||||
ASCATC201E62S | |||||
ASCATB202E62S | |||||
ASCATC202E62S |
* 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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