– Lat/Long: 78.10° S 159.17° E
Portal Mountain
Weather Forecast, AntarcticaIssued: 11 pm Thu 20 Aug Local TimeUpdates in: hr min sUpdate imminent
Issued: 11 pm Thu 20 Aug Local Time
Updates in:
Update imminent hr min s
Issued: 11 pm Thu 20 Aug Local Time
Updates in:
Update imminent hr min s
3 Portal Mountain Elevations: 3 Forecast Elevations: Days 1–4 Weather SummaryMostly dry. Extremely cold (max -27°C on Fri morning, min -37°C on Sat afternoon). Winds decreasing (severe gales from the SW on Thu night, light winds from the S by Sun morning). | Days 5–7 Weather SummaryMostly dry. Extremely cold (max -33°C on Tue afternoon, min -38°C on Mon afternoon). Winds increasing (light winds from the SSW on Mon morning, strong winds from the W by Wed afternoon). | |||||||||||||||
Friday 21 | Saturday 22 | Sunday 23 | Monday 24 | Tuesday 25 | ||||||||||||
night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  | | | | | |  |  |  | | | | | | | |
clear | clear | clear | clear | clear | clear | clear | some clouds | cloudy | cloudy | cloudy | clear | clear | clear | clear | clear | |
Cloud base (m) | 2100 | 2150 | 2100 | 2100 | 2100 | 2100 | 2100 | |||||||||
km/h | ||||||||||||||||
 |  |  |  |  |  | |||||||||||
 cm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
max °C | -28 | -27 | -28 | -31 | -35 | -37 | -34 | -35 | -35 | -36 | -37 | -38 | -36 | -34 | -33 | -33 |
min °C | -29 | -29 | -29 | -34 | -36 | -37 | -35 | -35 | -36 | -36 | -37 | -38 | -37 | -35 | -33 | -34 |
chill °C | -51 | -48 | -46 | -52 | -56 | -57 | -54 | -45 | -49 | -50 | -48 | -47 | -50 | -51 | -50 | -52 |
Freezing level m | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
 | — | 12:26 | — | — | 12:04 | — | — | 11:48 | — | — | 11:33 | — | — | 11:18 | — | — |
 | — | 2:26 | — | — | 2:48 | — | — | — | 3:06 | — | — | 3:19 | — | — | 3:33 | — |
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Portal Mountain Weather (Days 0-3):
The weather forecast for Portal Mountain is: Mostly dry. Extremely cold (max -27°C on Fri morning, min -37°C on Sat afternoon). Winds decreasing (severe gales from the SW on Thu night, light winds from the S by Sun morning).
Portal Mountain Weather (Days 3-6):
Mostly dry. Extremely cold (max -33°C on Tue afternoon, min -38°C on Mon afternoon). Winds increasing (light winds from the SSW on Mon morning, strong winds from the W by Wed 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 |  | ||||
DomeA | |||||
ASCATB161E64S | |||||
ASCATC166E64S | |||||
ASCATB162E63S | |||||
ASCATB161E63S | |||||
ASCATC167E64S | |||||
ASCATB167E63S | |||||
ASCATC162E63S | |||||
ASCATC165E63S |
* 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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