– Lat/Long: 78.10° S 159.17° E
Portal Mountain
Weather Forecast, AntarcticaIssued: 5 pm Thu 18 Jun Local TimeUpdates in: hr min sUpdate imminent
Issued: 5 pm Thu 18 Jun Local Time
Updates in:
Update imminent hr min s
Issued: 5 pm Thu 18 Jun Local Time
Updates in:
Update imminent hr min s
3 Portal Mountain Elevations: 3 Forecast Elevations: Days 1–4 Weather SummaryA dusting of new snow. Extremely cold (max -20°C on Sun morning, min -30°C on Thu afternoon). Mainly strong winds. | Days 5–7 Weather SummaryA dusting of new snow. Extremely cold (max -20°C on Sun afternoon, min -33°C on Wed morning). Winds increasing (light winds from the SW on Mon night, strong winds from the SW by Wed morning). | ||||||||||||||||
Thu 18 | Friday 19 | Saturday 20 | Sunday 21 | Monday 22 | Tuesday 23 | ||||||||||||
PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 | |  | | | | | |  | | |  |  |  | | |  | |
cloudy | cloudy | cloudy | cloudy | cloudy | cloudy | cloudy | cloudy | light snow | light snow | cloudy | some clouds | clear | clear | clear | clear | some clouds | |
km/h | |||||||||||||||||
 |  |  |  |  |  | ||||||||||||
— | — | — | — | — | — | — | — | 1 | 2 | — | — | — | — | — | — | — | |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
max °C | -30 | -29 | -26 | -25 | -25 | -23 | -23 | -22 | -20 | -20 | -22 | -24 | -26 | -27 | -27 | -27 | -28 |
min °C | -30 | -29 | -27 | -25 | -26 | -24 | -24 | -23 | -21 | -21 | -24 | -25 | -26 | -27 | -27 | -28 | -30 |
-43 | -44 | -40 | -37 | -40 | -37 | -39 | -37 | -35 | -34 | -33 | -36 | -37 | -36 | -37 | -40 | -46 | |
0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |
Cloud base (m) | 2050 | 2100 | 2050 | 2100 | 2050 | 2050 | 2050 | 2050 | 2050 | 2050 | 2100 | 2150 | 4350 | 9850 | 4850 | ||
 | — | — | 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 dusting of new snow. Extremely cold (max -20°C on Sun morning, min -30°C on Thu afternoon). Mainly strong winds.
Portal Mountain Weather (Days 3-6):
A dusting of new snow. Extremely cold (max -20°C on Sun afternoon, min -33°C on Wed morning). Winds increasing (light winds from the SW on Mon night, strong winds from the SW by Wed morning).
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 |  | ||||
ASCATC180E65S | |||||
ASCATC181E65S | |||||
ASCATC182E65S | |||||
ASCATB182E65S | |||||
ASCATB183E65S | |||||
ASCATC183E65S | |||||
ASCATB184E65S | |||||
ASCATC184E65S | |||||
ASCATB159E63S |
* 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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