– Lat/Long: 78.10° S 159.17° E
Portal Mountain
Weather Forecast, AntarcticaIssued: 5 am Fri 14 Aug Local TimeUpdates in: hr min sUpdate imminent
Issued: 5 am Fri 14 Aug Local Time
Updates in:
Update imminent hr min s
Issued: 5 am Fri 14 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 -24°C on Fri morning, min -36°C on Sun night). Winds increasing (calm on Fri night, near gales from the SW by Sat night). | Days 4–6 Weather SummaryA dusting of new snow. Extremely cold (max -30°C on Tue afternoon, min -38°C on Mon night). Winds increasing (light winds from the SW on Mon night, gales from the SW by Wed night). | |||||||||||||||||
Friday 14 | Saturday 15 | Sunday 16 | Monday 17 | Tuesday 18 | Wednesday 19 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  | | | |  |  | |  | | | |  |  | | | | | |
cloudy | cloudy | cloudy | cloudy | cloudy | some clouds | clear | clear | clear | clear | clear | clear | some clouds | light snow | cloudy | some clouds | clear | clear | |
Cloud base (m) | 4850 | 4350 | 3900 | 3950 | 4350 | 4950 | 7400 | 2150 | 2150 | 2100 | 2100 | 2100 | 2150 | |||||
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
 cm | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | — | — | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
max °C | -24 | -25 | -25 | -26 | -27 | -29 | -32 | -32 | -35 | -34 | -34 | -35 | -32 | -30 | -31 | -31 | -30 | -30 |
min °C | -25 | -25 | -26 | -26 | -28 | -31 | -32 | -33 | -36 | -35 | -34 | -38 | -35 | -31 | -31 | -31 | -30 | -32 |
chill °C | -36 | -32 | -26 | -35 | -44 | -50 | -52 | -48 | -48 | -50 | -54 | -61 | -50 | -49 | -49 | -45 | -43 | -52 |
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 | — | — | 12:00 | — | — |
 | 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 -24°C on Fri morning, min -36°C on Sun night). Winds increasing (calm on Fri night, near gales from the SW by Sat night).
Portal Mountain Weather (Days 3-6):
A dusting of new snow. Extremely cold (max -30°C on Tue afternoon, min -38°C on Mon night). Winds increasing (light winds from the SW on Mon night, gales from the SW by Wed 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 |  | ||||
 | |||||
ASCATB239E70S | |||||
ASCATC239E70S | |||||
ASCATC240E70S | |||||
ASCATB240E70S | |||||
ASCATC241E70S | |||||
ASCATB241E70S | |||||
ASCATB238E70S | |||||
ASCATB238E69S |
* 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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