– Lat/Long: 78.10° S 159.17° E
Portal Mountain
Weather Forecast, AntarcticaIssued: 11 pm Wed 12 Aug Local TimeUpdates in: hr min sUpdate imminent
Issued: 11 pm Wed 12 Aug Local Time
Updates in:
Update imminent hr min s
Issued: 11 pm Wed 12 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 -25°C on Wed night, min -29°C on Thu morning). Winds decreasing (fresh winds from the SW on Wed night, light winds from the SW by Fri night). | Days 5–7 Weather SummaryMostly dry. Extremely cold (max -28°C on Sat night, min -36°C on Sun night). Winds decreasing (strong winds from the SW on Sun morning, light winds from the SW by Sun night). | |||||||||||||||
Thursday 13 | Friday 14 | Saturday 15 | Sunday 16 | Monday 17 | ||||||||||||
night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  |  |  | | | | | | | |  | | | | |
cloudy | some clouds | clear | some clouds | cloudy | cloudy | cloudy | cloudy | cloudy | cloudy | some clouds | clear | clear | some clouds | some clouds | cloudy | |
Cloud base (m) | 4200 | 4250 | 4200 | 3850 | 4100 | 4400 | 4900 | 5300 | 2150 | 4350 | 2100 | |||||
km/h | ||||||||||||||||
 |  |  |  |  |  | |||||||||||
 cm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
max °C | -25 | -28 | -28 | -25 | -25 | -25 | -25 | -26 | -26 | -28 | -32 | -33 | -35 | -34 | -30 | -28 |
min °C | -27 | -29 | -28 | -28 | -25 | -25 | -26 | -26 | -28 | -31 | -32 | -34 | -36 | -36 | -32 | -28 |
chill °C | -43 | -46 | -44 | -42 | -34 | -34 | -33 | -34 | -39 | -48 | -50 | -50 | -46 | -50 | -47 | -44 |
Freezing level m | 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 | — | — |
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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 Wed night, min -29°C on Thu morning). Winds decreasing (fresh winds from the SW on Wed night, light winds from the SW by Fri night).
Portal Mountain Weather (Days 3-6):
Mostly dry. Extremely cold (max -28°C on Sat night, min -36°C on Sun night). Winds decreasing (strong winds from the SW on Sun morning, light winds from the SW by Sun 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 |  | ||||
ASCATC153E64S | |||||
ASCATC152E64S | |||||
ASCATC151E64S | |||||
ASCATC150E64S | |||||
ASCATC149E64S | |||||
ASCATC148E64S | |||||
ASCATC153E63S | |||||
ASCATC147E64S | |||||
ASCATC146E64S |
* 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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