– Lat/Long: 78.10° S 159.17° E
Portal Mountain
Weather Forecast, AntarcticaIssued: 5 pm Sat 25 Jul Local TimeUpdates in: hr min sUpdate imminent
Issued: 5 pm Sat 25 Jul Local Time
Updates in:
Update imminent hr min s
Issued: 5 pm Sat 25 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 -29°C on Sun night, min -33°C on Mon night). Winds decreasing (fresh winds from the W on Sat afternoon, light winds from the WNW by Sun afternoon). | Days 5–7 Weather SummaryMostly dry. Extremely cold (max -30°C on Wed afternoon, min -37°C on Thu afternoon). Wind will be generally light. | ||||||||||||||||
Sat 25 | Sunday 26 | Monday 27 | Tuesday 28 | Wednesday 29 | Thursday 30 | ||||||||||||
PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 | |  | | | | | |  | |  |  | |  | | | | |
clear | clear | clear | clear | clear | clear | clear | clear | some clouds | clear | some clouds | cloudy | cloudy | cloudy | some clouds | some clouds | clear | |
Cloud base (m) | 5400 | 7650 | 8200 | 4700 | 4600 | 5000 | |||||||||||
km/h | |||||||||||||||||
 |  |  |  |  |  | ||||||||||||
 cm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
max °C | -31 | -30 | -30 | -30 | -29 | -30 | -31 | -32 | -33 | -32 | -31 | -31 | -30 | -30 | -34 | -36 | -37 |
min °C | -32 | -32 | -30 | -30 | -30 | -30 | -31 | -33 | -33 | -33 | -33 | -31 | -30 | -33 | -36 | -37 | -37 |
chill °C | -49 | -48 | -44 | -42 | -41 | -43 | -44 | -48 | -48 | -48 | -47 | -44 | -42 | -47 | -52 | -53 | -52 |
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 | — | — | 12:00 | — | — | 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 -29°C on Sun night, min -33°C on Mon night). Winds decreasing (fresh winds from the W on Sat afternoon, light winds from the WNW by Sun afternoon).
Portal Mountain Weather (Days 3-6):
Mostly dry. Extremely cold (max -30°C on Wed afternoon, min -37°C on Thu 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 |  | ||||
ASCATC225E65S | |||||
ASCATB225E65S | |||||
ASCATB226E65S | |||||
ASCATC226E65S | |||||
ASCATB231E66S | |||||
ASCATC231E66S | |||||
ASCATB227E65S | |||||
ASCATC223E64S |
* 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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