– Lat/Long: 78.10° S 159.17° E
Portal Mountain
Weather Forecast, AntarcticaIssued: 5 am Fri 19 Jun Local TimeUpdates in: hr min sUpdate imminent
Issued: 5 am Fri 19 Jun Local Time
Updates in:
Update imminent hr min s
Issued: 5 am Fri 19 Jun Local Time
Updates in:
Update imminent hr min s
3 Portal Mountain Elevations: 3 Forecast Elevations: Days 1–3 Weather SummaryA light covering of new snow mostly falling on Sat night. Extremely cold (max -15°C on Sun morning, min -25°C on Sun night). Wind will be generally light. | Days 4–6 Weather SummaryMostly dry. Extremely cold (max -26°C on Mon morning, min -42°C on Wed night). Mainly fresh winds. | |||||||||||||||||
Friday 19 | Saturday 20 | Sunday 21 | Monday 22 | Tuesday 23 | Wednesday 24 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  | | | |  |  | | |  |  |  | | | | | | | |
cloudy | cloudy | cloudy | cloudy | cloudy | light snow | light snow | light snow | cloudy | some clouds | clear | clear | clear | clear | clear | clear | clear | clear | |
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
 cm | — | — | — | — | — | 3 | 1 | 1 | — | — | — | — | — | — | — | — | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
max °C | -22 | -20 | -20 | -17 | -17 | -16 | -15 | -15 | -19 | -26 | -28 | -29 | -30 | -32 | -33 | -35 | -37 | -40 |
min °C | -24 | -22 | -20 | -19 | -17 | -17 | -16 | -17 | -25 | -27 | -29 | -30 | -31 | -33 | -35 | -36 | -39 | -42 |
chill °C | -34 | -32 | -30 | -28 | -27 | -26 | -25 | -26 | -36 | -38 | -41 | -43 | -46 | -49 | -52 | -52 | -56 | -59 |
Freezing level m | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Cloud base (m) | 2050 | 2050 | 2050 | 2050 | 2050 | 2050 | 2050 | 2100 | 2100 | 2100 | 2100 | 4650 | ||||||
 | 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: A light covering of new snow mostly falling on Sat night. Extremely cold (max -15°C on Sun morning, min -25°C on Sun night). Wind will be generally light.
Portal Mountain Weather (Days 3-6):
Mostly dry. Extremely cold (max -26°C on Mon morning, min -42°C on Wed night). 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 |  | ||||
ASCATB180E65S | |||||
ASCATB181E65S | |||||
ASCATB178E65S | |||||
ASCATC180E65S | |||||
ASCATB179E65S | |||||
ASCATC181E65S | |||||
ASCATC178E65S | |||||
ASCATC173E64S | |||||
ASCATB173E64S |
* 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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