– Lat/Long: 78.10° S 159.17° E
Portal Mountain
Weather Forecast, AntarcticaIssued: 5 pm Mon 31 Aug Local TimeUpdates in: hr min sUpdate imminent
Issued: 5 pm Mon 31 Aug Local Time
Updates in:
Update imminent hr min s
Issued: 5 pm Mon 31 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 -11°C on Tue afternoon, min -29°C on Tue night). Winds increasing (calm on Mon night, near gales from the W by Wed night). | Days 5–7 Weather SummaryA dusting of new snow. Extremely cold (max -24°C on Sat night, min -35°C on Fri night). Winds decreasing (near gales from the W on Thu afternoon, calm by Sun morning). | ||||||||||||||||
Mon 31 | Tuesday 1 | Wednesday 2 | Thursday 3 | Friday 4 | Saturday 5 | ||||||||||||
PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  | |  |  |  |  | | | | | | | | |  | |
cloudy | cloudy | light snow | cloudy | some clouds | some clouds | clear | clear | clear | clear | clear | clear | clear | some clouds | cloudy | some clouds | light snow | |
Cloud base (m) | 2100 | 2100 | 2100 | 2100 | 2100 | 4800 | 9550 | 5300 | |||||||||
km/h | |||||||||||||||||
 |  |  |  |  |  | ||||||||||||
 cm | — | — | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | 2 |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
max °C | -19 | -16 | -12 | -11 | -16 | -29 | -28 | -27 | -27 | -27 | -28 | -31 | -31 | -33 | -32 | -31 | -24 |
min °C | -20 | -18 | -13 | -13 | -29 | -29 | -29 | -27 | -27 | -28 | -31 | -32 | -32 | -35 | -33 | -31 | -29 |
chill °C | -25 | -18 | -18 | -19 | -43 | -44 | -46 | -44 | -46 | -47 | -47 | -48 | -48 | -50 | -48 | -44 | -40 |
Freezing level m | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
 | — | — | 10:03 | — | — | 9:53 | — | — | 9:45 | — | — | 9:37 | — | — | 9:27 | — | — |
 | 4:36 | — | — | 4:45 | — | — | 4:53 | — | — | 5:01 | — | — | 5:09 | — | — | 5:19 | — |
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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 -11°C on Tue afternoon, min -29°C on Tue night). Winds increasing (calm on Mon night, near gales from the W by Wed night).
Portal Mountain Weather (Days 3-6):
A dusting of new snow. Extremely cold (max -24°C on Sat night, min -35°C on Fri night). Winds decreasing (near gales from the W on Thu afternoon, calm by Sun morning).
This table gives the weather forecast for Portal Mountain at the specific elevation of 1000 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 | |||||
Casey | |||||
Davis | |||||
BaseBelgranoII | |||||
Mawson |  | ||||
ASCATC90E61S | |||||
EnderbyIslandAws |
* 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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