– Lat/Long: 78.10° S 159.17° E
Portal Mountain
Weather Forecast, AntarcticaIssued: 11 am Sat 22 Aug Local TimeUpdates in: hr min sUpdate imminent
Issued: 11 am Sat 22 Aug Local Time
Updates in:
Update imminent hr min s
Issued: 11 am Sat 22 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 -33°C on Sat afternoon, min -38°C on Sat morning). Mainly near gales. | Days 4–6 Weather SummaryA dusting of new snow. Extremely cold (max -23°C on Thu night, min -38°C on Tue night). Winds increasing (calm on Wed night, strong winds from the S by Thu night). | |||||||||||||||||
Saturday 22 | Sunday 23 | Monday 24 | Tuesday 25 | Wednesday 26 | Thursday 27 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  |  | | | |  | | | | | | | | | |  | |
some clouds | some clouds | clear | cloudy | cloudy | some clouds | some clouds | clear | clear | clear | clear | clear | clear | clear | some clouds | some clouds | cloudy | light snow | |
Cloud base (m) | 2050 | 2150 | 2100 | 2100 | 2100 | 3250 | 4050 | 4300 | 4250 | 2050 | 2100 | |||||||
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
 cm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 4 |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
max °C | -37 | -33 | -33 | -34 | -34 | -33 | -35 | -36 | -37 | -36 | -37 | -38 | -38 | -36 | -31 | -29 | -25 | -23 |
min °C | -38 | -34 | -35 | -34 | -34 | -35 | -35 | -37 | -37 | -36 | -37 | -38 | -38 | -37 | -35 | -31 | -27 | -32 |
chill °C | -50 | -52 | -49 | -43 | -46 | -48 | -48 | -52 | -51 | -50 | -53 | -54 | -51 | -46 | -35 | -44 | -41 | -49 |
Freezing level m | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
 | 12:04 | — | — | 11:48 | — | — | 11:33 | — | — | 11:18 | — | — | 11:07 | — | — | 10:55 | — | — |
 | 2:48 | — | — | — | 3:06 | — | — | 3:19 | — | — | 3:33 | — | — | 3:45 | — | — | 3:56 | — |
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Portal Mountain Weather (Days 0-3):
The weather forecast for Portal Mountain is: Mostly dry. Extremely cold (max -33°C on Sat afternoon, min -38°C on Sat morning). Mainly near gales.
Portal Mountain Weather (Days 3-6):
A dusting of new snow. Extremely cold (max -23°C on Thu night, min -38°C on Tue night). Winds increasing (calm on Wed night, strong winds from the S by Thu 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 |  | ||||
DomeA | |||||
ASCATB115E63S | |||||
ASCATB116E63S | |||||
ASCATB114E63S | |||||
ASCATB113E63S | |||||
ASCATB116E62S | |||||
ASCATB112E63S | |||||
ASCATB115E62S | |||||
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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