– Lat/Long: 78.10° S 159.17° E
Portal Mountain
Weather Forecast, AntarcticaIssued: 5 pm Mon 17 Aug Local TimeUpdates in: hr min sUpdate imminent
Issued: 5 pm Mon 17 Aug Local Time
Updates in:
Update imminent hr min s
Issued: 5 pm Mon 17 Aug 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 -30°C on Thu morning, min -37°C on Mon night). Winds increasing (light winds from the WNW on Tue morning, near gales from the W by Thu morning). | Days 5–7 Weather SummaryMostly dry. Extremely cold (max -29°C on Sat night, min -37°C on Fri night). Winds decreasing (near gales from the W on Thu afternoon, moderate winds from the WNW by Fri night). | ||||||||||||||||
Mon 17 | Tuesday 18 | Wednesday 19 | Thursday 20 | Friday 21 | Saturday 22 | ||||||||||||
PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 | |  |  |  | | | |  | | | | | | | |  | |
clear | clear | some clouds | cloudy | cloudy | cloudy | cloudy | clear | clear | clear | clear | clear | clear | clear | clear | clear | some clouds | |
Cloud base (m) | 2150 | 2150 | 2050 | 2100 | 2100 | 2100 | 2100 | ||||||||||
km/h | |||||||||||||||||
 |  |  |  |  |  | ||||||||||||
 cm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
max °C | -35 | -36 | -35 | -31 | -31 | -32 | -32 | -31 | -30 | -30 | -30 | -32 | -33 | -35 | -36 | -35 | -29 |
min °C | -35 | -37 | -37 | -32 | -32 | -32 | -34 | -33 | -31 | -30 | -31 | -33 | -34 | -37 | -36 | -35 | -34 |
chill °C | -52 | -52 | -51 | -45 | -47 | -47 | -51 | -50 | -52 | -50 | -49 | -51 | -51 | -53 | -53 | -52 | -51 |
Freezing level m | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
 | — | — | 12:00 | — | — | 12:00 | — | — | 12:00 | — | — | 12:26 | — | — | 12:04 | — | — |
 | 12:00 | — | 12:00 | — | — | 12:00 | — | — | 12:00 | — | — | 2:26 | — | — | 2:48 | — | — |
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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 morning, min -37°C on Mon night). Winds increasing (light winds from the WNW on Tue morning, near gales from the W by Thu morning).
Portal Mountain Weather (Days 3-6):
Mostly dry. Extremely cold (max -29°C on Sat night, min -37°C on Fri night). Winds decreasing (near gales from the W on Thu afternoon, moderate winds from the WNW by Fri 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 |  | ||||
Dumont Durville | | ||||
ASCATB188E63S | |||||
Casey | |||||
ASCATB189E63S | |||||
ASCATB190E63S | |||||
ASCATC191E63S | |||||
ASCATB191E63S | |||||
ASCATB192E63S | |||||
ASCATC192E63S |
* 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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