– Lat/Long: 78.10° S 159.17° E
Portal Mountain
Weather Forecast, AntarcticaIssued: 11 am Sat 19 Jul Local TimeUpdates in: hr min sUpdate imminent
Issued: 11 am Sat 19 Jul Local Time
Updates in:
Update imminent hr min s
Issued: 11 am Sat 19 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 -27°C on Sat morning, min -36°C on Sun night). Winds decreasing (gales from the SW on Sat morning, moderate winds from the SW by Mon night). | Days 4–6 Weather SummaryMostly dry. Extremely cold (max -31°C on Tue morning, min -39°C on Wed night). Winds decreasing (fresh winds from the WSW on Tue night, calm by Wed night). | |||||||||||||||||
Saturday 19 | Sunday 20 | Monday 21 | Tuesday 22 | Wednesday 23 | Thursday 24 | |||||||||||||
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 | some clouds | some clouds | clear | clear | clear | clear | clear | clear | cloudy | cloudy | cloudy | |
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
max°C | -27 | -28 | -29 | -33 | -33 | -34 | -36 | -36 | -32 | -31 | -31 | -32 | -35 | -36 | -39 | -37 | -37 | -34 |
min°C | -28 | -28 | -32 | -33 | -34 | -36 | -36 | -36 | -35 | -32 | -31 | -34 | -36 | -37 | -39 | -38 | -37 | -36 |
-48 | -48 | -52 | -53 | -54 | -57 | -52 | -51 | -49 | -46 | -44 | -51 | -52 | -49 | -48 | -52 | -51 | -49 | |
0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |
Cloud base (m) | 2150 | 5100 | 2150 | 2100 | 2050 | |||||||||||||
 | 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 -27°C on Sat morning, min -36°C on Sun night). Winds decreasing (gales from the SW on Sat morning, moderate winds from the SW by Mon night).
Portal Mountain Weather (Days 3-6):
Mostly dry. Extremely cold (max -31°C on Tue morning, min -39°C on Wed night). Winds decreasing (fresh winds from the WSW on Tue night, calm by Wed 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 |  | ||||
ASCATB154E65S | |||||
ASCATB153E65S | |||||
ASCATB152E65S | |||||
ASCATB150E65S | |||||
ASCATB151E65S | |||||
ASCATB155E64S | |||||
ASCATB154E64S | |||||
ASCATB153E64S | |||||
ASCATB152E64S |
* 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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