– Lat/Long: 78.10° S 159.17° E
Portal Mountain
Weather Forecast, AntarcticaIssued: 5 pm Sun 05 Jul Local TimeUpdates in: hr min sUpdate imminent
Issued: 5 pm Sun 05 Jul Local Time
Updates in:
Update imminent hr min s
Issued: 5 pm Sun 05 Jul 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 -25°C on Sun afternoon, min -41°C on Wed morning). Winds increasing (light winds from the SW on Sun afternoon, fresh winds from the W by Mon night). | Days 5–7 Weather SummaryMostly dry. Extremely cold (max -30°C on Thu afternoon, min -40°C on Wed afternoon). Wind will be generally light. | ||||||||||||||||
Sun 5 | Monday 6 | Tuesday 7 | Wednesday 8 | Thursday 9 | Friday 10 | ||||||||||||
PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 | |  |  |  | |  |  | | | | | | | | | | |
cloudy | cloudy | cloudy | clear | clear | clear | some clouds | some clouds | some clouds | some clouds | cloudy | cloudy | cloudy | cloudy | clear | clear | clear | |
km/h | |||||||||||||||||
 |  |  |  |  |  | ||||||||||||
 cm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
max °C | -25 | -25 | -31 | -35 | -35 | -36 | -38 | -38 | -40 | -37 | -32 | -31 | -30 | -30 | -35 | -38 | -39 |
min °C | -26 | -30 | -33 | -36 | -36 | -37 | -39 | -40 | -41 | -40 | -34 | -32 | -30 | -32 | -37 | -38 | -40 |
chill °C | -35 | -44 | -49 | -53 | -54 | -54 | -54 | -55 | -56 | -55 | -46 | -44 | -43 | -46 | -52 | -52 | -56 |
Freezing level m | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Cloud base (m) | 2100 | 2100 | 3450 | 2150 | 2150 | 2100 | 2150 | 2100 | 2100 | 2100 | 2100 | 2100 | 2150 | 2150 | 2050 | ||
 | — | — | 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 -25°C on Sun afternoon, min -41°C on Wed morning). Winds increasing (light winds from the SW on Sun afternoon, fresh winds from the W by Mon night).
Portal Mountain Weather (Days 3-6):
Mostly dry. Extremely cold (max -30°C on Thu afternoon, min -40°C on Wed afternoon). Wind will be generally light.
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 |  | ||||
ASCATB192E64S | |||||
ASCATC193E64S | |||||
ASCATB193E64S | |||||
ASCATB194E64S | |||||
ASCATC194E64S | |||||
ASCATB195E64S | |||||
ASCATC195E64S | |||||
ASCATC196E64S | |||||
ASCATB196E64S |
* 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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