– Lat/Long: 78.10° S 159.17° E
Portal Mountain
Weather Forecast, AntarcticaIssued: 11 pm Fri 10 Jul Local TimeUpdates in: hr min sUpdate imminent
Issued: 11 pm Fri 10 Jul Local Time
Updates in:
Update imminent hr min s
Issued: 11 pm Fri 10 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 -33°C on Fri night, min -40°C on Sat afternoon). Winds decreasing (fresh winds from the SW on Fri night, calm by Sat afternoon). | Days 5–7 Weather SummaryMostly dry. Extremely cold (max -29°C on Wed night, min -34°C on Mon night). Wind will be generally light. | ||||||||||||||||||
Saturday 11 | Sunday 12 | Monday 13 | Tuesday 14 | Wednesday 15 | Thursday 16 | ||||||||||||||
night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  |  |  | | | | | | | |  | | | | | | | |
clear | clear | some clouds | some clouds | cloudy | cloudy | some clouds | clear | clear | clear | some clouds | some clouds | cloudy | cloudy | cloudy | cloudy | cloudy | cloudy | cloudy | |
km/h | |||||||||||||||||||
 |  |  |  |  |  |  | |||||||||||||
 cm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
max °C | -33 | -38 | -39 | -38 | -37 | -37 | -36 | -35 | -34 | -34 | -34 | -31 | -30 | -32 | -31 | -29 | -29 | -30 | -32 |
min °C | -38 | -38 | -40 | -39 | -38 | -37 | -36 | -36 | -34 | -34 | -34 | -32 | -32 | -32 | -31 | -29 | -29 | -30 | -35 |
chill °C | -56 | -53 | -40 | -48 | -51 | -51 | -50 | -48 | -46 | -47 | -47 | -45 | -32 | -32 | -31 | -34 | -37 | -41 | -52 |
Freezing level m | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Cloud base (m) | 2150 | 2150 | 2100 | 2100 | 2100 | 2050 | 2150 | 2150 | 2150 | 2250 | 2100 | 2100 | 2050 | 2050 | 2050 | 2100 | |||
 | — | 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 -33°C on Fri night, min -40°C on Sat afternoon). Winds decreasing (fresh winds from the SW on Fri night, calm by Sat afternoon).
Portal Mountain Weather (Days 3-6):
Mostly dry. Extremely cold (max -29°C on Wed night, min -34°C on Mon 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 |  | ||||
ASCATC177E75S | |||||
ASCATC178E75S | |||||
ASCATC179E75S | |||||
 | |||||
ASCATB147E64S | |||||
ASCATB146E64S | |||||
ASCATB181E65S | |||||
ASCATB182E65S | |||||
ASCATB183E65S |
* 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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