– Lat/Long: 78.10° S 159.17° E
Portal Mountain
Weather Forecast, AntarcticaIssued: 11 am Tue 14 Jul Local TimeUpdates in: hr min sUpdate imminent
Issued: 11 am Tue 14 Jul Local Time
Updates in:
Update imminent hr min s
Issued: 11 am Tue 14 Jul Local Time
Updates in:
Update imminent hr min s
3 Portal Mountain Elevations: 3 Forecast Elevations: Days 1–3 Weather SummaryMostly dry. Extremely cold (max -28°C on Wed morning, min -40°C on Thu night). Winds increasing (calm on Tue afternoon, strong winds from the W by Thu night). | Days 4–6 Weather SummaryMostly dry. Extremely cold (max -27°C on Sun night, min -41°C on Fri afternoon). Winds decreasing (strong winds from the WNW on Fri morning, light winds from the W by Fri night). | |||||||||||||||||
Tuesday 14 | Wednesday 15 | Thursday 16 | Friday 17 | Saturday 18 | Sunday 19 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  | | | |  |  |  | | | | | | | | | | |
some clouds | cloudy | cloudy | cloudy | cloudy | cloudy | some clouds | clear | clear | clear | some clouds | cloudy | cloudy | cloudy | cloudy | cloudy | cloudy | cloudy | |
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
 cm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
max °C | -33 | -31 | -29 | -28 | -28 | -29 | -36 | -39 | -39 | -40 | -40 | -36 | -37 | -36 | -34 | -33 | -33 | -27 |
min °C | -33 | -32 | -30 | -29 | -28 | -32 | -38 | -39 | -40 | -40 | -41 | -39 | -37 | -36 | -36 | -33 | -33 | -32 |
chill °C | -42 | -38 | -36 | -35 | -36 | -46 | -55 | -58 | -62 | -61 | -58 | -54 | -50 | -49 | -49 | -48 | -48 | -45 |
Freezing level m | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Cloud base (m) | 5100 | 2100 | 2050 | 2050 | 2050 | 2100 | 2150 | 4100 | 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 -28°C on Wed morning, min -40°C on Thu night). Winds increasing (calm on Tue afternoon, strong winds from the W by Thu night).
Portal Mountain Weather (Days 3-6):
Mostly dry. Extremely cold (max -27°C on Sun night, min -41°C on Fri afternoon). Winds decreasing (strong winds from the WNW on Fri morning, light winds from the W 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 |  | ||||
ASCATC142E63S | |||||
ASCATB140E63S | |||||
ASCATC142E62S | |||||
ASCATC141E62S | |||||
ASCATC140E63S | |||||
ASCATC135E63S | |||||
ASCATB135E63S | |||||
ASCATB139E63S |
* 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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