– Lat/Long: 78.10° S 159.17° E
Portal Mountain
Weather Forecast, AntarcticaIssued: 11 pm Fri 28 Aug Local TimeUpdates in: hr min sUpdate imminent
Issued: 11 pm Fri 28 Aug Local Time
Updates in:
Update imminent hr min s
Issued: 11 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 light covering of new snow mostly falling on Fri night. Extremely cold (max -23°C on Sun night, min -32°C on Fri night). 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 -18°C on Tue afternoon, min -34°C on Thu afternoon). Winds increasing (calm on Tue night, near gales from the WSW by Thu afternoon). | |||||||||||||||
Saturday 29 | Sunday 30 | Monday 31 | Tuesday 1 | Wednesday 2 | ||||||||||||
night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  |  | | | | | | | | | | |  | | |
light snow | light snow | cloudy | cloudy | cloudy | cloudy | cloudy | light snow | light snow | light snow | cloudy | cloudy | cloudy | cloudy | some clouds | cloudy | |
Cloud base (m) | 2050 | 2100 | 2100 | 2100 | 2100 | 2150 | 2200 | 2100 | 2100 | 2100 | 2100 | 2200 | 2100 | 2100 | 2100 | 2250 |
km/h | ||||||||||||||||
 |  |  |  |  |  | |||||||||||
 cm | 1 | 2 | — | — | — | — | — | 1 | 2 | 1 | — | — | — | — | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
max °C | -26 | -25 | -25 | -26 | -25 | -25 | -23 | -25 | -24 | -20 | -19 | -18 | -18 | -19 | -20 | -23 |
min °C | -32 | -25 | -25 | -27 | -26 | -25 | -24 | -25 | -25 | -23 | -19 | -19 | -19 | -19 | -23 | -33 |
chill °C | -50 | -41 | -38 | -33 | -35 | -32 | -24 | -35 | -34 | -30 | -28 | -28 | -25 | -26 | -32 | -54 |
Freezing level m | 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 | — | — |
 | — | — | 4:16 | — | — | 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 light covering of new snow mostly falling on Fri night. Extremely cold (max -23°C on Sun night, min -32°C on Fri night). 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 -18°C on Tue afternoon, min -34°C on Thu afternoon). Winds increasing (calm on Tue night, near gales from the WSW by Thu 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 |  | ||||
Dumont Durville | |||||
ASCATC136E64S | |||||
ASCATC135E64S | |||||
ASCATC134E64S | |||||
ASCATB133E64S | |||||
ASCATC133E64S | |||||
ASCATC135E63S | |||||
ASCATB133E63S | |||||
ASCATC134E63S |
* 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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