– Lat/Long: 78.10° S 159.17° E
Portal Mountain
Weather Forecast, AntarcticaIssued: 5 pm Thu 16 Jul Local TimeUpdates in: hr min sUpdate imminent
Issued: 5 pm Thu 16 Jul Local Time
Updates in:
Update imminent hr min s
Issued: 5 pm Thu 16 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 -36°C on Sat night, min -43°C on Fri afternoon). Winds decreasing (strong winds from the W on Thu night, light winds from the W by Sat morning). | Days 5–7 Weather SummaryMostly dry. Extremely cold (max -27°C on Mon night, min -38°C on Sun afternoon). Mainly fresh winds. | ||||||||||||||||
Thu 16 | Friday 17 | Saturday 18 | Sunday 19 | Monday 20 | Tuesday 21 | ||||||||||||
PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 | |  | |  |  | | |  | | | | |  | | | | |
clear | clear | clear | clear | some clouds | cloudy | cloudy | some clouds | some clouds | clear | some clouds | cloudy | cloudy | cloudy | cloudy | cloudy | clear | |
km/h | |||||||||||||||||
 |  |  |  |  |  | ||||||||||||
 cm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
max °C | -38 | -39 | -41 | -42 | -40 | -38 | -37 | -36 | -37 | -38 | -36 | -33 | -30 | -27 | -28 | -29 | -30 |
min °C | -38 | -40 | -42 | -43 | -43 | -39 | -38 | -38 | -38 | -38 | -38 | -35 | -30 | -29 | -29 | -30 | -32 |
chill °C | -58 | -62 | -61 | -60 | -59 | -52 | -51 | -54 | -54 | -54 | -53 | -48 | -41 | -40 | -44 | -46 | -49 |
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 | 4100 | 2050 | 2150 | 2100 | 2100 | 2100 | 2100 | 2100 | |||||||
 | — | — | 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 -36°C on Sat night, min -43°C on Fri afternoon). Winds decreasing (strong winds from the W on Thu night, light winds from the W by Sat morning).
Portal Mountain Weather (Days 3-6):
Mostly dry. Extremely cold (max -27°C on Mon night, min -38°C on Sun afternoon). Mainly fresh winds.
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 |  | ||||
 | |||||
ASCATB231E65S | |||||
ASCATB232E65S | |||||
ASCATC237E66S | |||||
ASCATB224E63S | |||||
ASCATC233E65S | |||||
ASCATB225E63S | |||||
ASCATB233E65S |
* 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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