– Lat/Long: 78.10° S 159.17° E
Portal Mountain
Weather Forecast, AntarcticaIssued: 5 pm Sun 03 May Local TimeUpdates in: hr min sUpdate imminent
Issued: 5 pm Sun 03 May Local Time
Updates in:
Update imminent hr min s
Issued: 5 pm Sun 03 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 Mon afternoon, min -31°C on Sun afternoon). Winds increasing (light winds from the SSE on Sun afternoon, strong winds from the WSW by Tue night). | Days 5–7 Weather SummaryMostly dry. Extremely cold (max -25°C on Thu night, min -30°C on Wed night). Winds increasing (light winds from the SW on Wed night, fresh winds from the S by Fri morning). | ||||||||||||||||
Sun 3 | Monday 4 | Tuesday 5 | Wednesday 6 | Thursday 7 | Friday 8 | ||||||||||||
PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  | | | | | |  | | | | | | | | | |
some clouds | cloudy | cloudy | cloudy | cloudy | cloudy | cloudy | some clouds | clear | clear | some clouds | cloudy | cloudy | cloudy | cloudy | cloudy | cloudy | |
km/h | |||||||||||||||||
 |  |  |  |  |  | ||||||||||||
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
max °C | -29 | -27 | -26 | -25 | -25 | -28 | -25 | -25 | -29 | -29 | -29 | -26 | -26 | -25 | -26 | -27 | -28 |
min °C | -31 | -27 | -27 | -26 | -27 | -28 | -27 | -29 | -30 | -29 | -30 | -27 | -26 | -26 | -26 | -27 | -30 |
-42 | -41 | -40 | -38 | -39 | -42 | -39 | -47 | -47 | -45 | -43 | -38 | -38 | -39 | -42 | -41 | -41 | |
0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |
Cloud base (m) | 2100 | 2100 | 2100 | 2100 | 2100 | 2100 | 2550 | 2100 | 2150 | 2150 | 2050 | 2050 | 2100 | 2100 | 2100 | 2050 | |
 | — | — | 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 Mon afternoon, min -31°C on Sun afternoon). Winds increasing (light winds from the SSE on Sun afternoon, strong winds from the WSW by Tue night).
Portal Mountain Weather (Days 3-6):
Mostly dry. Extremely cold (max -25°C on Thu night, min -30°C on Wed night). Winds increasing (light winds from the SW on Wed night, fresh winds from the S by Fri 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 | |||||
 | |||||
ASCATB253E70S | |||||
ASCATB254E70S | |||||
ASCATB255E70S | |||||
ASCATB250E69S | |||||
ASCATB258E70S | |||||
ASCATB256E70S |
* 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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