– Lat/Long: 78.10° S 159.17° E
Portal Mountain
Weather Forecast, AntarcticaIssued: 5 pm Sun 09 Aug Local TimeUpdates in: hr min sUpdate imminent
Issued: 5 pm Sun 09 Aug Local Time
Updates in:
Update imminent hr min s
Issued: 5 pm Sun 09 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 -29°C on Sun night, min -34°C on Mon morning). Winds increasing (light winds from the WNW on Sun afternoon, fresh winds from the WNW by Tue night). | Days 5–7 Weather SummaryA dusting of new snow. Extremely cold (max -22°C on Thu night, min -33°C on Wed night). Winds increasing (light winds from the W on Thu night, fresh winds from the W by Sat morning). | ||||||||||||||||
Sun 9 | Monday 10 | Tuesday 11 | Wednesday 12 | Thursday 13 | Friday 14 | ||||||||||||
PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  | |  | | | |  |  | | | | |  | | | |
cloudy | some clouds | clear | clear | clear | clear | clear | clear | some clouds | cloudy | clear | clear | some clouds | cloudy | light snow | some clouds | clear | |
Cloud base (m) | 2050 | 2050 | 2100 | 2150 | 4900 | 3900 | 2100 | 2100 | 2100 | ||||||||
km/h | |||||||||||||||||
 |  |  |  |  |  | ||||||||||||
 cm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
max °C | -30 | -29 | -33 | -33 | -33 | -33 | -33 | -30 | -32 | -29 | -30 | -32 | -29 | -22 | -22 | -24 | -29 |
min °C | -31 | -31 | -34 | -34 | -34 | -33 | -33 | -32 | -33 | -30 | -33 | -33 | -32 | -27 | -22 | -28 | -30 |
chill °C | -40 | -45 | -49 | -49 | -49 | -48 | -48 | -49 | -46 | -44 | -48 | -47 | -45 | -38 | -29 | -40 | -44 |
Freezing level m | 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 | — | — |
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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 Sun night, min -34°C on Mon morning). Winds increasing (light winds from the WNW on Sun afternoon, fresh winds from the WNW by Tue night).
Portal Mountain Weather (Days 3-6):
A dusting of new snow. Extremely cold (max -22°C on Thu night, min -33°C on Wed night). Winds increasing (light winds from the W on Thu night, fresh winds from the W by Sat morning).
This table gives the weather forecast for Portal Mountain at the specific elevation of 1000 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 |  | ||||
 | |||||
ASCATB249E68S | |||||
ASCATC252E68S | |||||
ASCATB252E68S | |||||
ASCATB253E68S | |||||
ASCATC253E68S | |||||
ASCATB249E67S | |||||
ASCATB254E68S |
* 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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