– Lat/Long: 78.10° S 159.17° E
Portal Mountain
Weather Forecast, AntarcticaIssued: 11 am Sat 15 Aug Local TimeUpdates in: hr min sUpdate imminent
Issued: 11 am Sat 15 Aug Local Time
Updates in:
Update imminent hr min s
Issued: 11 am Sat 15 Aug 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 Sat morning, min -37°C on Sun night). Winds increasing (calm on Sun night, gales from the SW by Mon night). | Days 4–6 Weather SummaryMostly dry. Extremely cold (max -29°C on Wed afternoon, min -37°C on Tue morning). Winds increasing (light winds from the S on Tue afternoon, severe gales from the SW by Thu afternoon). | |||||||||||||||||
Saturday 15 | Sunday 16 | Monday 17 | Tuesday 18 | Wednesday 19 | Thursday 20 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  |  | | | | | | |  | | | | | | | | |
cloudy | some clouds | clear | clear | clear | clear | some clouds | some clouds | clear | clear | cloudy | cloudy | cloudy | some clouds | clear | clear | clear | clear | |
Cloud base (m) | 3950 | 4750 | 5100 | 5150 | 2100 | 2100 | 2100 | |||||||||||
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
 cm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
max °C | -24 | -26 | -28 | -31 | -33 | -35 | -34 | -32 | -32 | -36 | -35 | -31 | -30 | -29 | -30 | -29 | -29 | -29 |
min °C | -24 | -27 | -31 | -32 | -34 | -37 | -35 | -34 | -36 | -37 | -37 | -34 | -30 | -29 | -30 | -30 | -29 | -31 |
chill °C | -30 | -42 | -50 | -50 | -46 | -50 | -50 | -48 | -58 | -51 | -50 | -50 | -46 | -45 | -48 | -52 | -51 | -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 Sat morning, min -37°C on Sun night). Winds increasing (calm on Sun night, gales from the SW by Mon night).
Portal Mountain Weather (Days 3-6):
Mostly dry. Extremely cold (max -29°C on Wed afternoon, min -37°C on Tue morning). Winds increasing (light winds from the S on Tue afternoon, severe gales from the SW by Thu afternoon).
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 |  | ||||
Dumont Durville |  | ||||
DomeA | |||||
Casey |  | ||||
Davis | |||||
 | |||||
ASCATB105E61S | |||||
ASCATB102E62S | |||||
ASCATB103E61S | |||||
ASCATB101E62S |
* 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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