– Lat/Long: 78.10° S 159.17° E
Portal Mountain
Weather Forecast, AntarcticaIssued: 11 am Sat 08 Aug Local TimeUpdates in: hr min sUpdate imminent
Issued: 11 am Sat 08 Aug Local Time
Updates in:
Update imminent hr min s
Issued: 11 am Sat 08 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 -29°C on Sat afternoon, min -35°C on Sun afternoon). Winds increasing (calm on Sat night, strong winds from the WSW by Mon night). | Days 4–6 Weather SummaryMostly dry. Extremely cold (max -22°C on Thu night, min -30°C on Tue night). Winds decreasing (strong winds from the WSW on Tue night, light winds from the WNW by Thu afternoon). | |||||||||||||||||
Saturday 8 | Sunday 9 | Monday 10 | Tuesday 11 | Wednesday 12 | Thursday 13 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  | |  |  |  | | | | | | | | |  | | | | |
cloudy | cloudy | cloudy | some clouds | clear | clear | clear | clear | clear | clear | clear | clear | clear | cloudy | some clouds | some clouds | cloudy | some clouds | |
Cloud base (m) | 4350 | 2050 | 2100 | 2050 | 2100 | 2100 | 5350 | 4700 | 8000 | 4400 | ||||||||
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
 cm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
max °C | -30 | -29 | -31 | -31 | -35 | -34 | -32 | -30 | -29 | -28 | -29 | -29 | -27 | -25 | -26 | -26 | -23 | -22 |
min °C | -30 | -30 | -31 | -33 | -35 | -35 | -33 | -31 | -30 | -28 | -29 | -30 | -29 | -26 | -29 | -27 | -24 | -24 |
chill °C | -36 | -36 | -31 | -43 | -46 | -46 | -47 | -46 | -47 | -44 | -45 | -48 | -44 | -36 | -43 | -40 | -32 | -33 |
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 -29°C on Sat afternoon, min -35°C on Sun afternoon). Winds increasing (calm on Sat night, strong winds from the WSW by Mon night).
Portal Mountain Weather (Days 3-6):
Mostly dry. Extremely cold (max -22°C on Thu night, min -30°C on Tue night). Winds decreasing (strong winds from the WSW on Tue night, light winds from the WNW by Thu 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 |  | ||||
ASCATB119E62S | |||||
ASCATB118E62S | |||||
ASCATB114E63S | |||||
ASCATB116E62S | |||||
ASCATB117E62S | |||||
ASCATB115E62S | |||||
ASCATB113E63S | |||||
ASCATB119E61S | |||||
ASCATB114E62S |
* 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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