– Lat/Long: 78.10° S 159.17° E
Portal Mountain
Weather Forecast, AntarcticaIssued: 11 pm Tue 01 Sep Local TimeUpdates in: hr min sUpdate imminent
Issued: 11 pm Tue 01 Sep Local Time
Updates in:
Update imminent hr min s
Issued: 11 pm Tue 01 Sep Local Time
Updates in:
Update imminent hr min s
3 Portal Mountain Elevations: 3 Forecast Elevations: Days 1–4 Weather SummaryMostly dry. Extremely cold (max -17°C on Tue night, min -30°C on Thu night). Winds increasing (moderate winds from the NW on Tue night, severe gales from the WSW by Thu afternoon). | Days 5–7 Weather SummaryA dusting of new snow. Extremely cold (max -23°C on Sun morning, min -30°C on Fri night). Winds decreasing (strong winds from the WSW on Fri night, calm by Mon morning). | |||||||||||||||
Wednesday 2 | Thursday 3 | Friday 4 | Saturday 5 | Sunday 6 | ||||||||||||
night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  |  |  | | | | | | | | | |  | | |
cloudy | cloudy | some clouds | clear | clear | clear | clear | clear | clear | clear | some clouds | cloudy | cloudy | cloudy | light snow | cloudy | |
Cloud base (m) | 2250 | 5450 | 5450 | 4400 | 2200 | 2100 | 2100 | |||||||||
km/h | ||||||||||||||||
 |  |  |  |  |  | |||||||||||
 cm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
max °C | -17 | -28 | -27 | -27 | -28 | -27 | -28 | -30 | -30 | -28 | -26 | -25 | -24 | -23 | -24 | -27 |
min °C | -26 | -28 | -27 | -28 | -28 | -27 | -30 | -30 | -30 | -30 | -27 | -25 | -25 | -23 | -25 | -28 |
chill °C | -41 | -44 | -44 | -48 | -48 | -48 | -49 | -49 | -50 | -49 | -42 | -38 | -34 | -28 | -33 | -28 |
Freezing level m | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
 | — | 9:53 | — | — | 9:45 | — | — | 9:37 | — | — | 9:27 | — | — | 9:18 | — | — |
 | — | — | 4:53 | — | — | 5:01 | — | — | 5:09 | — | — | 5:19 | — | — | 5:25 | — |
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Portal Mountain Weather (Days 0-3):
The weather forecast for Portal Mountain is: Mostly dry. Extremely cold (max -17°C on Tue night, min -30°C on Thu night). Winds increasing (moderate winds from the NW on Tue night, severe gales from the WSW by Thu afternoon).
Portal Mountain Weather (Days 3-6):
A dusting of new snow. Extremely cold (max -23°C on Sun morning, min -30°C on Fri night). Winds decreasing (strong winds from the WSW on Fri night, calm by Mon 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 |  | ||||
Dumont Durville | |||||
ASCATC131E63S | |||||
ASCATC130E63S | |||||
Casey | |||||
ASCATC129E63S | |||||
ASCATC128E63S | |||||
ASCATB127E63S | |||||
ASCATC127E63S | |||||
ASCATB126E63S |
* 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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