– 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 -28°C on Mon afternoon, min -39°C on Tue afternoon). Winds decreasing (strong winds from the WSW on Mon morning, calm by Tue afternoon). | Days 4–6 Weather SummaryMostly dry. Extremely cold (max -26°C on Sat night, min -35°C on Fri night). Winds increasing (light winds from the SSW on Thu afternoon, fresh winds from the SSW by Sat afternoon). | |||||||||||||||||
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 | -29 | -28 | -29 | -35 | -38 | -37 | -35 | -34 | -32 | -32 | -32 | -32 | -32 | -33 | -34 | -32 | -29 | -26 |
min °C | -29 | -28 | -33 | -37 | -39 | -39 | -36 | -35 | -34 | -32 | -32 | -33 | -33 | -33 | -35 | -33 | -31 | -28 |
-46 | -43 | -48 | -50 | -39 | -39 | -50 | -49 | -49 | -45 | -44 | -45 | -47 | -48 | -52 | -50 | -48 | -44 | |
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 -28°C on Mon afternoon, min -39°C on Tue afternoon). Winds decreasing (strong winds from the WSW on Mon morning, calm by Tue afternoon).
Portal Mountain Weather (Days 3-6):
Mostly dry. Extremely cold (max -26°C on Sat night, min -35°C on Fri night). Winds increasing (light winds from the SSW on Thu afternoon, fresh winds from the SSW by Sat afternoon).
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 |  | ||||
ASCATC171E67S | |||||
ASCATC171E66S | |||||
ASCATB171E66S | |||||
ASCATC172E66S | |||||
ASCATC170E66S | |||||
ASCATB169E66S | |||||
ASCATB170E66S | |||||
ASCATC169E66S |
* 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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