– Lat/Long: 78.10° S 159.17° E
Portal Mountain
Weather Forecast, AntarcticaIssued: 5 am Sat 18 Jul Local TimeUpdates in: hr min sUpdate imminent
Issued: 5 am Sat 18 Jul Local Time
Updates in:
Update imminent hr min s
Issued: 5 am Sat 18 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 -24°C on Mon night, min -38°C on Sat morning). Wind will be generally light. | Days 4–6 Weather SummaryMostly dry. Extremely cold (max -20°C on Tue afternoon, min -36°C on Thu night). Winds increasing (light winds from the SW on Tue night, fresh winds from the W by Wed night). | |||||||||||||||||
Saturday 18 | Sunday 19 | Monday 20 | Tuesday 21 | Wednesday 22 | Thursday 23 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  | | | |  | | | | | | |  |  |  | | | | |
cloudy | cloudy | cloudy | cloudy | cloudy | some clouds | cloudy | cloudy | cloudy | cloudy | cloudy | cloudy | some clouds | clear | clear | clear | some clouds | some clouds | |
Cloud base (m) | 2050 | 2050 | 2050 | 2100 | 2100 | 2100 | 2100 | 2100 | 2100 | 2100 | 2100 | 3500 | ||||||
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
 cm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
max °C | -38 | -36 | -35 | -35 | -35 | -32 | -26 | -25 | -24 | -22 | -20 | -24 | -29 | -31 | -31 | -32 | -32 | -33 |
min °C | -38 | -37 | -36 | -35 | -35 | -36 | -29 | -26 | -26 | -23 | -20 | -28 | -31 | -31 | -32 | -32 | -33 | -36 |
chill °C | -50 | -49 | -50 | -50 | -49 | -50 | -38 | -31 | -33 | -32 | -30 | -41 | -47 | -47 | -49 | -49 | -49 | -52 |
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 -24°C on Mon night, min -38°C on Sat morning). Wind will be generally light.
Portal Mountain Weather (Days 3-6):
Mostly dry. Extremely cold (max -20°C on Tue afternoon, min -36°C on Thu night). Winds increasing (light winds from the SW on Tue night, fresh winds from the W by Wed night).
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 |  | ||||
ASCATC176E64S | |||||
ASCATC179E65S | |||||
ASCATC180E65S | |||||
ASCATC177E64S | |||||
ASCATC179E64S | |||||
ASCATC180E64S | |||||
ASCATC184E65S | |||||
ASCATC181E65S | |||||
ASCATC183E65S |
* 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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