– Lat/Long: 78.10° S 159.17° E
Portal Mountain
Weather Forecast, AntarcticaIssued: 5 pm Fri 24 Jul Local TimeUpdates in: hr min sUpdate imminent
Issued: 5 pm Fri 24 Jul Local Time
Updates in:
Update imminent hr min s
Issued: 5 pm Fri 24 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 -27°C on Sun morning, min -35°C on Fri afternoon). Winds decreasing (strong winds from the SW on Sat afternoon, light winds from the WSW by Sun night). | Days 5–7 Weather SummaryMostly dry. Extremely cold (max -27°C on Mon afternoon, min -35°C on Wed night). Wind will be generally light. | ||||||||||||||||
Fri 24 | Saturday 25 | Sunday 26 | Monday 27 | Tuesday 28 | Wednesday 29 | ||||||||||||
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 | some clouds | clear | clear | some clouds | some clouds | cloudy | cloudy | cloudy | |
Cloud base (m) | 2150 | 7900 | 8100 | 4250 | |||||||||||||
km/h | |||||||||||||||||
 |  |  |  |  |  | ||||||||||||
 cm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
max °C | -34 | -35 | -32 | -30 | -28 | -27 | -28 | -27 | -27 | -27 | -27 | -28 | -29 | -30 | -32 | -33 | -34 |
min °C | -35 | -35 | -33 | -32 | -30 | -28 | -28 | -28 | -27 | -27 | -28 | -28 | -30 | -31 | -32 | -34 | -35 |
chill °C | -50 | -50 | -52 | -51 | -47 | -41 | -39 | -37 | -37 | -38 | -38 | -38 | -41 | -42 | -41 | -45 | -47 |
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 -27°C on Sun morning, min -35°C on Fri afternoon). Winds decreasing (strong winds from the SW on Sat afternoon, light winds from the WSW by Sun night).
Portal Mountain Weather (Days 3-6):
Mostly dry. Extremely cold (max -27°C on Mon afternoon, min -35°C on Wed night). Wind will be generally light.
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 |  | ||||
 | |||||
ASCATB223E65S | |||||
ASCATB224E65S | |||||
ASCATB225E65S | |||||
ASCATB221E64S | |||||
ASCATB226E65S | |||||
ASCATB222E64S | |||||
ASCATB218E63S |
* 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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