– Lat/Long: 78.10° S 159.17° E
Portal Mountain
Weather Forecast, AntarcticaIssued: 11 am Sun 09 Aug Local TimeUpdates in: hr min sUpdate imminent
Issued: 11 am Sun 09 Aug Local Time
Updates in:
Update imminent hr min s
Issued: 11 am Sun 09 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 -27°C on Tue night, min -32°C on Sun night). Winds increasing (calm on Sun morning, strong winds from the WSW by Tue night). | Days 4–6 Weather SummaryA dusting of new snow. Extremely cold (max -25°C on Wed night, min -30°C on Wed afternoon). Winds decreasing (strong winds from the WSW on Wed morning, calm by Fri afternoon). | |||||||||||||||||
Sunday 9 | Monday 10 | Tuesday 11 | Wednesday 12 | Thursday 13 | Friday 14 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  |  | |  | | | |  | | | | | |  | | | |
cloudy | cloudy | some clouds | clear | clear | clear | clear | clear | some clouds | some clouds | some clouds | cloudy | some clouds | some clouds | some clouds | light snow | light snow | some clouds | |
Cloud base (m) | 2100 | 2050 | 2050 | 2100 | 2150 | 4900 | 4400 | 2150 | 2050 | 2100 | ||||||||
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
 cm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 2 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
max °C | -31 | -31 | -32 | -31 | -30 | -29 | -28 | -28 | -27 | -29 | -29 | -25 | -27 | -27 | -25 | -25 | -26 | -28 |
min °C | -31 | -31 | -32 | -32 | -31 | -30 | -28 | -28 | -29 | -29 | -30 | -28 | -28 | -28 | -26 | -26 | -26 | -29 |
chill °C | -31 | -37 | -39 | -46 | -47 | -48 | -45 | -45 | -46 | -47 | -48 | -39 | -39 | -38 | -32 | -33 | -26 | -38 |
Freezing level m | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
 | 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 -27°C on Tue night, min -32°C on Sun night). Winds increasing (calm on Sun morning, strong winds from the WSW by Tue night).
Portal Mountain Weather (Days 3-6):
A dusting of new snow. Extremely cold (max -25°C on Wed night, min -30°C on Wed afternoon). Winds decreasing (strong winds from the WSW on Wed morning, calm by Fri 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 |  | ||||
 | |||||
ASCATC151E63S | |||||
ASCATC149E63S | |||||
ASCATC148E63S | |||||
ASCATB148E63S | |||||
ASCATC150E63S | |||||
ASCATC146E63S | |||||
ASCATB140E64S | |||||
ASCATC147E63S |
* 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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