– Lat/Long: 78.10° S 159.17° E
Portal Mountain
Weather Forecast, AntarcticaIssued: 11 am Mon 18 May Local TimeUpdates in: hr min sUpdate imminent
Issued: 11 am Mon 18 May Local Time
Updates in:
Update imminent hr min s
Issued: 11 am Mon 18 May Local Time
Updates in:
Update imminent hr min s
3 Portal Mountain Elevations: 3 Forecast Elevations: Days 1–3 Weather SummaryMostly dry. Extremely cold (max -29°C on Mon afternoon, min -41°C on Tue afternoon). Wind will be generally light. | Days 4–6 Weather SummaryMostly dry. Extremely cold (max -25°C on Sat night, min -32°C on Thu morning). Wind will be generally light. | |||||||||||||||||
Monday 18 | Tuesday 19 | Wednesday 20 | Thursday 21 | Friday 22 | Saturday 23 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  | |  | |  | | |  | | | | | | | | | | |
clear | cloudy | clear | clear | clear | some clouds | cloudy | cloudy | cloudy | cloudy | cloudy | cloudy | cloudy | cloudy | cloudy | cloudy | cloudy | cloudy | |
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
max °C | -31 | -29 | -29 | -37 | -40 | -33 | -31 | -30 | -31 | -31 | -30 | -29 | -31 | -30 | -31 | -29 | -26 | -25 |
min °C | -31 | -30 | -35 | -39 | -41 | -40 | -32 | -31 | -33 | -32 | -31 | -32 | -32 | -31 | -32 | -30 | -27 | -26 |
-46 | -44 | -49 | -54 | -55 | -53 | -42 | -43 | -46 | -44 | -42 | -44 | -45 | -42 | -46 | -43 | -40 | -39 | |
0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |
Cloud base (m) | 5100 | 2200 | 2150 | 2150 | 2050 | 2050 | 2050 | 2050 | 2050 | 2050 | 2050 | 2100 | 2100 | 2100 | 2100 | 2100 | ||
 | 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 -29°C on Mon afternoon, min -41°C on Tue afternoon). Wind will be generally light.
Portal Mountain Weather (Days 3-6):
Mostly dry. Extremely cold (max -25°C on Sat night, min -32°C on Thu morning). Wind will be generally light.
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 |  | ||||
ASCATC146E65S | |||||
ASCATB146E65S | |||||
ASCATC147E64S | |||||
ASCATB146E64S | |||||
ASCATC146E64S | |||||
ASCATC144E65S | |||||
ASCATB144E65S | |||||
ASCATB143E65S |
* 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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