– Lat/Long: 78.10° S 159.17° E
Portal Mountain
Weather Forecast, AntarcticaIssued: 11 am Tue 19 May Local TimeUpdates in: hr min sUpdate imminent
Issued: 11 am Tue 19 May Local Time
Updates in:
Update imminent hr min s
Issued: 11 am Tue 19 May 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 -32°C on Thu night, min -40°C on Tue night). Winds increasing (calm on Tue night, fresh winds from the SSW by Thu afternoon). | Days 4–6 Weather SummaryA light covering of new snow mostly falling on Sun afternoon. Extremely cold (max -24°C on Sun morning, min -34°C on Fri morning). Winds increasing (moderate winds from the SSW on Fri night, near gales from the S by Sun afternoon). | |||||||||||||||||
Tuesday 19 | Wednesday 20 | Thursday 21 | Friday 22 | Saturday 23 | Sunday 24 | |||||||||||||
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 | light snow | light snow | light snow | light snow | |
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
— | — | — | — | — | — | — | — | — | — | — | — | — | — | 2 | 2 | 3 | 1 | |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
max °C | -35 | -37 | -36 | -35 | -35 | -34 | -33 | -33 | -32 | -34 | -33 | -32 | -31 | -29 | -25 | -24 | -24 | -28 |
min °C | -36 | -39 | -40 | -36 | -36 | -35 | -33 | -33 | -33 | -34 | -34 | -33 | -32 | -30 | -28 | -24 | -26 | -29 |
-50 | -47 | -40 | -52 | -50 | -49 | -49 | -50 | -49 | -49 | -49 | -47 | -48 | -48 | -46 | -40 | -42 | -43 | |
0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |
Cloud base (m) | 2150 | 2150 | 2050 | 2050 | 2050 | 2050 | 2050 | 2050 | 2050 | 2050 | 2100 | 2100 | 2100 | 2050 | 2050 | 2100 | 2100 | |
 | 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 -32°C on Thu night, min -40°C on Tue night). Winds increasing (calm on Tue night, fresh winds from the SSW by Thu afternoon).
Portal Mountain Weather (Days 3-6):
A light covering of new snow mostly falling on Sun afternoon. Extremely cold (max -24°C on Sun morning, min -34°C on Fri morning). Winds increasing (moderate winds from the SSW on Fri night, near gales from the S by Sun 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 |  | ||||
ASCATC147E65S | |||||
ASCATC146E65S | |||||
ASCATC150E64S | |||||
ASCATC145E65S | |||||
ASCATC147E64S | |||||
ASCATC144E65S | |||||
ASCATC152E64S | |||||
ASCATC148E64S |
* 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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