– Lat/Long: 78.10° S 159.17° E
Portal Mountain
Weather Forecast, AntarcticaIssued: 11 am Thu 30 Jul Local TimeUpdates in: hr min sUpdate imminent
Issued: 11 am Thu 30 Jul Local Time
Updates in:
Update imminent hr min s
Issued: 11 am Thu 30 Jul 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 -30°C on Thu night, min -33°C on Sat morning). Mainly strong winds. | Days 4–6 Weather SummaryMostly dry. Extremely cold (max -30°C on Mon night, min -36°C on Mon morning). Winds decreasing (severe gales from the WSW on Mon morning, fresh winds from the WSW by Tue morning). | |||||||||||||||||
Thursday 30 | Friday 31 | Saturday 1 | Sunday 2 | Monday 3 | Tuesday 4 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  | | | | | | | | | | | | | |  |  |  | |
clear | clear | clear | clear | clear | clear | clear | clear | clear | clear | clear | clear | clear | clear | clear | some clouds | cloudy | some clouds | |
Cloud base (m) | 5050 | 5150 | 5000 | 4900 | 5350 | 8350 | 7500 | 5100 | 4000 | 4250 | ||||||||
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
 cm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
max °C | -31 | -31 | -30 | -31 | -32 | -32 | -32 | -33 | -32 | -33 | -33 | -34 | -36 | -34 | -30 | -30 | -31 | -33 |
min °C | -31 | -31 | -31 | -31 | -32 | -32 | -33 | -33 | -33 | -33 | -33 | -35 | -36 | -35 | -32 | -31 | -32 | -35 |
chill °C | -45 | -46 | -48 | -49 | -50 | -50 | -51 | -51 | -51 | -51 | -52 | -56 | -60 | -59 | -55 | -48 | -51 | -57 |
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 -30°C on Thu night, min -33°C on Sat morning). Mainly strong winds.
Portal Mountain Weather (Days 3-6):
Mostly dry. Extremely cold (max -30°C on Mon night, min -36°C on Mon morning). Winds decreasing (severe gales from the WSW on Mon morning, fresh winds from the WSW by Tue morning).
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 |  | ||||
ASCATC99E61S | |||||
ASCATC98E61S | |||||
ASCATC97E61S | |||||
ASCATC99E60S | |||||
ASCATC96E61S | |||||
ASCATC98E60S | |||||
ASCATC93E61S | |||||
ASCATC94E61S |
* 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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