– Lat/Long: 78.10° S 159.17° E
Portal Mountain
Weather Forecast, AntarcticaIssued: 5 am Wed 17 Jun Local TimeUpdates in: hr min sUpdate imminent
Issued: 5 am Wed 17 Jun Local Time
Updates in:
Update imminent hr min s
Issued: 5 am Wed 17 Jun 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 -21°C on Fri night, min -39°C on Wed afternoon). Wind will be generally light. | Days 4–6 Weather SummaryA moderate fall of snow, heaviest on Sat afternoon. Extremely cold (max -14°C on Sat night, min -31°C on Mon night). Wind will be generally light. | |||||||||||||||||
Wednesday 17 | Thursday 18 | Friday 19 | Saturday 20 | Sunday 21 | Monday 22 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  |  | |  | | | | |  |  | | | |  | | | |
clear | some clouds | some clouds | cloudy | cloudy | cloudy | cloudy | cloudy | cloudy | cloudy | light snow | light snow | light snow | light snow | some clouds | clear | clear | clear | |
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
— | — | — | — | — | — | — | — | — | — | 2 | 4 | 2 | 2 | — | — | — | — | |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
max °C | -38 | -38 | -36 | -32 | -27 | -25 | -25 | -24 | -21 | -19 | -15 | -14 | -15 | -16 | -20 | -26 | -29 | -30 |
min °C | -38 | -39 | -39 | -34 | -30 | -25 | -26 | -25 | -23 | -19 | -16 | -15 | -15 | -17 | -24 | -28 | -30 | -31 |
-52 | -54 | -54 | -46 | -40 | -33 | -35 | -34 | -32 | -30 | -26 | -25 | -26 | -26 | -35 | -40 | -43 | -44 | |
0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |
Cloud base (m) | 2150 | 2050 | 2100 | 2100 | 2100 | 2050 | 2050 | 2050 | 2050 | 2050 | 2100 | 2050 | 2100 | 2100 | 2100 | 2150 | 9500 | |
 | 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 -21°C on Fri night, min -39°C on Wed afternoon). Wind will be generally light.
Portal Mountain Weather (Days 3-6):
A moderate fall of snow, heaviest on Sat afternoon. Extremely cold (max -14°C on Sat night, min -31°C on Mon night). 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 |  | ||||
 | |||||
ASCATB184E66S | |||||
ASCATB185E66S | |||||
ASCATB184E65S | |||||
ASCATB185E65S | |||||
ASCATB186E65S | |||||
ASCATB187E65S | |||||
ASCATB188E65S | |||||
ASCATB186E64S |
* 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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