– Lat/Long: 78.10° S 159.17° E
Portal Mountain
Weather Forecast, AntarcticaIssued: 11 pm Mon 25 May Local TimeUpdates in: hr min sUpdate imminent
Issued: 11 pm Mon 25 May Local Time
Updates in:
Update imminent hr min s
Issued: 11 pm Mon 25 May 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 -27°C on Tue morning, min -31°C on Mon night). Mainly fresh winds. | Days 5–7 Weather SummaryA dusting of new snow. Extremely cold (max -23°C on Sun afternoon, min -31°C on Fri night). Winds decreasing (fresh winds from the SW on Sat morning, light winds from the SSW by Sun morning). | ||||||||||||||||||
Tuesday 26 | Wednesday 27 | Thursday 28 | Friday 29 | Saturday 30 | Sunday 31 | ||||||||||||||
night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  | | | | | |  | |  | | | | | |  | | | | |
cloudy | cloudy | cloudy | cloudy | cloudy | cloudy | cloudy | some clouds | some clouds | light snow | cloudy | cloudy | cloudy | some clouds | some clouds | clear | some clouds | cloudy | cloudy | |
km/h | |||||||||||||||||||
 |  |  |  |  |  |  | |||||||||||||
— | — | — | — | — | — | — | — | — | 1 | — | — | — | — | — | — | — | — | — | |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
max °C | -29 | -27 | -28 | -29 | -28 | -28 | -28 | -28 | -27 | -26 | -27 | -28 | -30 | -29 | -29 | -29 | -26 | -23 | -25 |
min °C | -31 | -28 | -28 | -29 | -28 | -28 | -29 | -28 | -28 | -28 | -27 | -28 | -31 | -30 | -29 | -29 | -27 | -24 | -26 |
-46 | -42 | -40 | -39 | -39 | -40 | -40 | -39 | -41 | -40 | -40 | -39 | -44 | -44 | -44 | -42 | -36 | -35 | -41 | |
0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |
Cloud base (m) | 2050 | 2050 | 2050 | 2100 | 2100 | 2050 | 2050 | 2050 | 3450 | 2100 | 2100 | 2100 | 2100 | 2050 | 2050 | 2150 | 2150 | 2150 | |
 | — | 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 -27°C on Tue morning, min -31°C on Mon night). Mainly fresh winds.
Portal Mountain Weather (Days 3-6):
A dusting of new snow. Extremely cold (max -23°C on Sun afternoon, min -31°C on Fri night). Winds decreasing (fresh winds from the SW on Sat morning, light winds from the SSW by Sun 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 |  | ||||
ASCATC170E66S | |||||
ASCATC172E66S | |||||
ASCATB172E66S | |||||
ASCATB173E66S | |||||
ASCATC173E66S | |||||
ASCATB173E65S | |||||
ASCATC167E65S | |||||
ASCATC173E65S | |||||
ASCATB167E65S |
* 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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