– Lat/Long: 78.10° S 159.17° E
Portal Mountain
Weather Forecast, AntarcticaIssued: 5 pm Mon 13 Jul Local TimeUpdates in: hr min sUpdate imminent
Issued: 5 pm Mon 13 Jul Local Time
Updates in:
Update imminent hr min s
Issued: 5 pm Mon 13 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 -28°C on Wed afternoon, min -38°C on Mon afternoon). Winds increasing (calm on Tue afternoon, fresh winds from the W by Thu morning). | Days 5–7 Weather SummaryMostly dry. Extremely cold (max -37°C on Fri night, min -45°C on Sat afternoon). Winds decreasing (strong winds from the WNW on Thu night, light winds from the W by Sat morning). | ||||||||||||||||
Mon 13 | Tuesday 14 | Wednesday 15 | Thursday 16 | Friday 17 | Saturday 18 | ||||||||||||
PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 | |  |  |  | | | |  | | | | | | | | | |
clear | clear | some clouds | cloudy | cloudy | cloudy | cloudy | cloudy | clear | clear | clear | cloudy | some clouds | cloudy | cloudy | cloudy | clear | |
km/h | |||||||||||||||||
 |  |  |  |  |  | ||||||||||||
 cm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
max °C | -37 | -34 | -32 | -30 | -29 | -29 | -28 | -29 | -36 | -39 | -39 | -38 | -38 | -37 | -43 | -44 | -44 |
min °C | -38 | -38 | -34 | -31 | -30 | -30 | -30 | -32 | -38 | -40 | -40 | -39 | -38 | -40 | -43 | -45 | -44 |
chill °C | -53 | -53 | -44 | -37 | -36 | -36 | -39 | -46 | -56 | -60 | -61 | -57 | -53 | -56 | -60 | -63 | -63 |
Freezing level m | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Cloud base (m) | 2150 | 2150 | 4900 | 2100 | 2100 | 2050 | 2050 | 2100 | 4150 | 2100 | 4100 | ||||||
 | — | — | 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 afternoon, min -38°C on Mon afternoon). Winds increasing (calm on Tue afternoon, fresh winds from the W by Thu morning).
Portal Mountain Weather (Days 3-6):
Mostly dry. Extremely cold (max -37°C on Fri night, min -45°C on Sat afternoon). Winds decreasing (strong winds from the WNW on Thu night, light winds from the W by Sat morning).
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 |  | ||||
ASCATB158E63S | |||||
ASCATB159E62S | |||||
ASCATB185E64S | |||||
ASCATB157E62S | |||||
ASCATB161E62S | |||||
ASCATC185E64S | |||||
ASCATB158E62S | |||||
ASCATB160E62S | |||||
ASCATB162E62S |
* 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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