– Lat/Long: 78.10° S 159.17° E
Portal Mountain
Weather Forecast, AntarcticaIssued: 11 pm Tue 04 Aug Local TimeUpdates in: hr min sUpdate imminent
Issued: 11 pm Tue 04 Aug Local Time
Updates in:
Update imminent hr min s
Issued: 11 pm Tue 04 Aug 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 -23°C on Fri morning, min -32°C on Tue night). Winds decreasing (strong winds from the SW on Tue night, light winds from the SW by Thu afternoon). | Days 5–7 Weather SummaryA dusting of new snow. Extremely cold (max -20°C on Sat morning, min -36°C on Sun night). Winds increasing (light winds from the W on Sat night, stormy winds from the WSW by Mon afternoon). | |||||||||||||||
Wednesday 5 | Thursday 6 | Friday 7 | Saturday 8 | Sunday 9 | ||||||||||||
night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  |  | | | |  | | | |  | | | | | |
clear | some clouds | cloudy | some clouds | cloudy | some clouds | clear | clear | clear | some clouds | cloudy | light snow | some clouds | clear | clear | clear | |
Cloud base (m) | 2050 | 2100 | 2150 | 2200 | 2100 | 2100 | 2100 | 2100 | 2200 | |||||||
km/h | ||||||||||||||||
 |  |  |  |  |  | |||||||||||
 cm | — | — | — | — | — | — | — | — | — | — | — | 1 | — | — | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
max °C | -31 | -27 | -25 | -26 | -30 | -30 | -24 | -23 | -23 | -22 | -20 | -24 | -28 | -34 | -32 | -34 |
min °C | -32 | -29 | -26 | -31 | -31 | -30 | -29 | -23 | -23 | -24 | -22 | -26 | -34 | -34 | -33 | -36 |
chill °C | -48 | -46 | -43 | -41 | -42 | -39 | -39 | -38 | -37 | -36 | -33 | -38 | -52 | -54 | -54 | -60 |
Freezing level m | 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 | — | — |
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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 morning, min -32°C on Tue night). Winds decreasing (strong winds from the SW on Tue night, light winds from the SW by Thu afternoon).
Portal Mountain Weather (Days 3-6):
A dusting of new snow. Extremely cold (max -20°C on Sat morning, min -36°C on Sun night). Winds increasing (light winds from the W on Sat night, stormy winds from the WSW 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 |  | ||||
ASCATC180E65S | |||||
ASCATC177E64S | |||||
ASCATB177E64S | |||||
ASCATB178E64S | |||||
ASCATC178E64S | |||||
ASCATC152E63S | |||||
ASCATB179E64S | |||||
ASCATB153E63S |
* 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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