– Lat/Long: 78.10° S 159.17° E
Portal Mountain
Weather Forecast, AntarcticaIssued: 5 pm Fri 28 Aug Local TimeUpdates in: hr min sUpdate imminent
Issued: 5 pm Fri 28 Aug Local Time
Updates in:
Update imminent hr min s
Issued: 5 pm Fri 28 Aug Local Time
Updates in:
Update imminent hr min s
3 Portal Mountain Elevations: 3 Forecast Elevations: Days 1–4 Weather SummaryA dusting of new snow. Extremely cold (max -24°C on Sun night, min -35°C on Fri afternoon). Winds decreasing (strong winds from the S on Fri night, calm by Sun night). | Days 5–7 Weather SummaryA dusting of new snow. Extremely cold (max -19°C on Tue afternoon, min -31°C on Wed night). Winds increasing (calm on Mon afternoon, gales from the WSW by Thu morning). | ||||||||||||||||
Fri 28 | Saturday 29 | Sunday 30 | Monday 31 | Tuesday 1 | Wednesday 2 | ||||||||||||
PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  | |  |  | | | | | | | | | | |  | |
cloudy | light snow | light snow | cloudy | cloudy | some clouds | some clouds | cloudy | light snow | light snow | cloudy | cloudy | cloudy | cloudy | some clouds | some clouds | clear | |
Cloud base (m) | 2100 | 2050 | 2100 | 2100 | 2100 | 2100 | 2150 | 2150 | 2100 | 2100 | 2100 | 2150 | 2100 | 2100 | 2200 | 5100 | |
km/h | |||||||||||||||||
 |  |  |  |  |  | ||||||||||||
 cm | — | 1 | 2 | — | — | — | — | — | 1 | 2 | — | — | — | — | — | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
max °C | -34 | -26 | -25 | -25 | -25 | -27 | -27 | -24 | -24 | -24 | -21 | -20 | -19 | -20 | -25 | -28 | -29 |
min °C | -35 | -33 | -25 | -25 | -27 | -27 | -27 | -26 | -25 | -25 | -24 | -20 | -20 | -23 | -26 | -30 | -31 |
chill °C | -54 | -52 | -41 | -39 | -34 | -38 | -35 | -26 | -33 | -32 | -30 | -28 | -29 | -33 | -40 | -46 | -46 |
Freezing level m | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
 | — | — | 10:33 | — | — | 10:22 | — | — | 10:12 | — | — | 10:03 | — | — | 9:53 | — | — |
 | 4:07 | — | — | 4:16 | — | — | 4:27 | — | — | 4:36 | — | — | 4:45 | — | — | 4:53 | — |
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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 Sun night, min -35°C on Fri afternoon). Winds decreasing (strong winds from the S on Fri night, calm by Sun night).
Portal Mountain Weather (Days 3-6):
A dusting of new snow. Extremely cold (max -19°C on Tue afternoon, min -31°C on Wed night). Winds increasing (calm on Mon afternoon, gales from the WSW by Thu morning).
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 |  | ||||
Jang Bogo Station | | ||||
Dumont Durville |  | ||||
Casey | |||||
Davis |  | ||||
ASCATC228E66S | |||||
ASCATC224E65S | |||||
ASCATB224E65S |
* 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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