– Lat/Long: 78.10° S 159.17° E
Portal Mountain
Weather Forecast, AntarcticaIssued: 5 pm Tue 05 May Local TimeUpdates in: hr min sUpdate imminent
Issued: 5 pm Tue 05 May Local Time
Updates in:
Update imminent hr min s
Issued: 5 pm Tue 05 May 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 -25°C on Thu afternoon, min -30°C on Tue night). Wind will be generally light. | Days 5–7 Weather SummaryA dusting of new snow. Extremely cold (max -23°C on Sun night, min -30°C on Fri afternoon). Winds increasing (light winds from the S on Fri night, strong winds from the S by Mon morning). | ||||||||||||||||
Tue 5 | Wednesday 6 | Thursday 7 | Friday 8 | Saturday 9 | Sunday 10 | ||||||||||||
PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  | | | |  |  |  | | | | | | | |  | |
some clouds | clear | clear | clear | clear | clear | cloudy | cloudy | some clouds | cloudy | cloudy | some clouds | some clouds | cloudy | cloudy | cloudy | light snow | |
km/h | |||||||||||||||||
 |  |  |  |  |  | ||||||||||||
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
max °C | -28 | -28 | -28 | -28 | -28 | -27 | -25 | -25 | -28 | -29 | -28 | -29 | -28 | -24 | -25 | -25 | -23 |
min °C | -29 | -30 | -28 | -28 | -29 | -28 | -27 | -27 | -29 | -30 | -29 | -30 | -28 | -26 | -26 | -25 | -24 |
-42 | -40 | -40 | -36 | -29 | -37 | -37 | -37 | -39 | -40 | -38 | -40 | -39 | -37 | -40 | -39 | -37 | |
0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |
Cloud base (m) | 2100 | 2150 | 2150 | 2150 | 2150 | 2150 | 2100 | 2100 | 2100 | 2100 | 2050 | 2050 | 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 -25°C on Thu afternoon, min -30°C on Tue night). Wind will be generally light.
Portal Mountain Weather (Days 3-6):
A dusting of new snow. Extremely cold (max -23°C on Sun night, min -30°C on Fri afternoon). Winds increasing (light winds from the S on Fri night, strong winds from the S by Mon 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 |  | ||||
DomeA | |||||
ASCATB229E67S | |||||
ASCATB230E67S | |||||
ASCATB231E67S | |||||
ASCATB228E66S | |||||
ASCATB232E67S | |||||
ASCATB229E66S | |||||
ASCATB233E67S | |||||
ASCATB230E66S |
* 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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