– Lat/Long: 78.10° S 159.17° E
Portal Mountain
Weather Forecast, AntarcticaIssued: 5 am Sun 23 Aug Local TimeUpdates in: hr min sUpdate imminent
Issued: 5 am Sun 23 Aug Local Time
Updates in:
Update imminent hr min s
Issued: 5 am Sun 23 Aug 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 -34°C on Sun morning, min -42°C on Tue night). Winds increasing (light winds from the SSW on Sun morning, strong winds from the W by Tue night). | Days 4–6 Weather SummaryMostly dry. Extremely cold (max -25°C on Fri night, min -43°C on Wed morning). Winds increasing (light winds from the WNW on Wed morning, fresh winds from the S by Fri night). | |||||||||||||||||
Sunday 23 | Monday 24 | Tuesday 25 | Wednesday 26 | Thursday 27 | Friday 28 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  |  |  |  | | | | | | | | | | | | | |
some clouds | cloudy | cloudy | some clouds | clear | clear | clear | clear | clear | clear | clear | clear | cloudy | some clouds | some clouds | cloudy | cloudy | cloudy | |
Cloud base (m) | 2800 | 2100 | 2100 | 2100 | 2150 | 5150 | 3600 | 4200 | 2100 | 2100 | 2100 | |||||||
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
 cm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
max °C | -34 | -35 | -35 | -36 | -37 | -38 | -38 | -39 | -40 | -41 | -40 | -34 | -32 | -31 | -28 | -27 | -26 | -25 |
min °C | -34 | -35 | -36 | -37 | -37 | -38 | -38 | -39 | -42 | -43 | -40 | -39 | -33 | -31 | -30 | -28 | -27 | -26 |
chill °C | -43 | -50 | -51 | -50 | -51 | -54 | -56 | -59 | -63 | -59 | -48 | -49 | -45 | -43 | -44 | -42 | -42 | -41 |
Freezing level m | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
 | 11:48 | — | — | 11:33 | — | — | 11:18 | — | — | 11:07 | — | — | 10:55 | — | — | 10:44 | — | — |
 | — | 3:06 | — | — | 3:19 | — | — | 3:33 | — | — | 3:45 | — | — | 3:56 | — | — | 4:07 | — |
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Portal Mountain Weather (Days 0-3):
The weather forecast for Portal Mountain is: Mostly dry. Extremely cold (max -34°C on Sun morning, min -42°C on Tue night). Winds increasing (light winds from the SSW on Sun morning, strong winds from the W by Tue night).
Portal Mountain Weather (Days 3-6):
Mostly dry. Extremely cold (max -25°C on Fri night, min -43°C on Wed morning). Winds increasing (light winds from the WNW on Wed morning, fresh winds from the S by Fri night).
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 |  | ||||
Dumont Durville | |||||
DomeA | |||||
ASCATC167E64S | |||||
ASCATC166E64S | |||||
ASCATB167E64S | |||||
ASCATB165E64S | |||||
ASCATB166E64S | |||||
ASCATB164E64S | |||||
ASCATC165E64S |
* 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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