– Lat/Long: 78.10° S 159.17° E
Portal Mountain
Weather Forecast, AntarcticaIssued: 5 am Sun 10 May Local TimeUpdates in: hr min sUpdate imminent
Issued: 5 am Sun 10 May Local Time
Updates in:
Update imminent hr min s
Issued: 5 am Sun 10 May Local Time
Updates in:
Update imminent hr min s
3 Portal Mountain Elevations: 3 Forecast Elevations: Days 1–3 Weather SummaryA dusting of new snow. Extremely cold (max -24°C on Mon afternoon, min -33°C on Tue afternoon). Winds decreasing (near gales from the WSW on Mon night, light winds from the S by Tue night). | Days 4–6 Weather SummaryMostly dry. Extremely cold (max -28°C on Wed afternoon, min -34°C on Fri night). Wind will be generally light. | |||||||||||||||||
Sunday 10 | Monday 11 | Tuesday 12 | Wednesday 13 | Thursday 14 | Friday 15 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  |  | |  |  | | | | | | |  | | | |  | |
light snow | light snow | cloudy | cloudy | cloudy | clear | clear | clear | clear | cloudy | cloudy | cloudy | cloudy | some clouds | cloudy | cloudy | cloudy | some clouds | |
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
1 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
max °C | -26 | -28 | -26 | -25 | -24 | -24 | -27 | -31 | -31 | -29 | -28 | -29 | -29 | -29 | -30 | -31 | -31 | -32 |
min °C | -27 | -30 | -29 | -25 | -24 | -25 | -28 | -33 | -33 | -30 | -29 | -30 | -29 | -30 | -32 | -32 | -31 | -34 |
-42 | -46 | -46 | -40 | -37 | -41 | -46 | -46 | -43 | -41 | -42 | -40 | -40 | -40 | -38 | -40 | -31 | -45 | |
0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |
Cloud base (m) | 2100 | 2100 | 2100 | 2100 | 3450 | 2150 | 2150 | 2150 | 2100 | 2100 | 2100 | 2100 | 2100 | 2100 | 2100 | 2100 | 2200 | |
 | 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: A dusting of new snow. Extremely cold (max -24°C on Mon afternoon, min -33°C on Tue afternoon). Winds decreasing (near gales from the WSW on Mon night, light winds from the S by Tue night).
Portal Mountain Weather (Days 3-6):
Mostly dry. Extremely cold (max -28°C on Wed afternoon, min -34°C on Fri night). Wind will be generally light.
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 |  | ||||
ASCATB173E67S | |||||
ASCATB172E67S | |||||
ASCATB174E67S | |||||
ASCATB171E67S | |||||
ASCATB170E67S | |||||
ASCATB171E66S | |||||
ASCATB172E66S | |||||
ASCATB173E66S | |||||
ASCATB170E66S |
* 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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