– Lat/Long: 78.10° S 159.17° E
Portal Mountain
Weather Forecast, AntarcticaIssued: 11 am Sat 23 May Local TimeUpdates in: hr min sUpdate imminent
Issued: 11 am Sat 23 May Local Time
Updates in:
Update imminent hr min s
Issued: 11 am Sat 23 May Local Time
Updates in:
Update imminent hr min s
3 Portal Mountain Elevations: 3 Forecast Elevations: Days 1–3 Weather SummaryA dusting of new snow. Extremely cold (max -24°C on Sat night, min -32°C on Mon night). Winds decreasing (near gales from the S on Sun night, moderate winds from the SSW by Mon night). | Days 4–6 Weather SummaryMostly dry. Extremely cold (max -28°C on Tue morning, min -32°C on Wed morning). Winds decreasing (fresh winds from the SW on Tue morning, light winds from the SSW by Thu night). | |||||||||||||||||
Saturday 23 | Sunday 24 | Monday 25 | Tuesday 26 | Wednesday 27 | Thursday 28 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  | | |  |  | | |  | | | | | | |  | | | |
cloudy | cloudy | cloudy | cloudy | light snow | light snow | cloudy | cloudy | some clouds | cloudy | cloudy | cloudy | cloudy | cloudy | some clouds | clear | clear | some clouds | |
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
— | — | — | — | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
max °C | -29 | -27 | -24 | -24 | -25 | -24 | -31 | -31 | -29 | -28 | -29 | -30 | -31 | -31 | -30 | -29 | -28 | -29 |
min °C | -31 | -28 | -27 | -24 | -25 | -30 | -31 | -31 | -32 | -29 | -30 | -31 | -32 | -32 | -31 | -30 | -29 | -31 |
-48 | -45 | -43 | -38 | -40 | -46 | -47 | -47 | -46 | -42 | -40 | -42 | -44 | -44 | -44 | -43 | -42 | -38 | |
0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |
Cloud base (m) | 2100 | 2100 | 2100 | 2100 | 2100 | 2100 | 2100 | 2050 | 2050 | 2050 | 2150 | 2100 | 2100 | 2050 | 2050 | 2100 | 2150 | |
 | 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: A dusting of new snow. Extremely cold (max -24°C on Sat night, min -32°C on Mon night). Winds decreasing (near gales from the S on Sun night, moderate winds from the SSW by Mon night).
Portal Mountain Weather (Days 3-6):
Mostly dry. Extremely cold (max -28°C on Tue morning, min -32°C on Wed morning). Winds decreasing (fresh winds from the SW on Tue morning, 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 |  | ||||
 | |||||
ASCATC172E66S | |||||
ASCATC170E66S | |||||
ASCATB171E66S | |||||
ASCATB172E66S | |||||
ASCATB169E66S | |||||
ASCATB170E66S | |||||
ASCATC169E66S | |||||
ASCATC171E66S |
* 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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