– Lat/Long: 78.10° S 159.17° E
Portal Mountain
Weather Forecast, AntarcticaIssued: 5 pm Sun 10 May Local TimeUpdates in: hr min sUpdate imminent
Issued: 5 pm Sun 10 May Local Time
Updates in:
Update imminent hr min s
Issued: 5 pm Sun 10 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 -21°C on Sun afternoon, min -34°C on Tue night). Winds increasing (light winds from the SSW on Sun night, fresh winds from the W by Mon night). | Days 5–7 Weather SummaryMostly dry. Extremely cold (max -28°C on Wed night, min -35°C on Fri morning). Wind will be generally light. | ||||||||||||||||
Sun 10 | Monday 11 | Tuesday 12 | Wednesday 13 | Thursday 14 | Friday 15 | ||||||||||||
PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 | |  |  |  | | |  |  | | | | | | | | | |
cloudy | cloudy | cloudy | clear | clear | clear | clear | some clouds | some clouds | some clouds | some clouds | cloudy | some clouds | some clouds | clear | clear | some clouds | |
km/h | |||||||||||||||||
 |  |  |  |  |  | ||||||||||||
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
max °C | -21 | -22 | -24 | -26 | -27 | -31 | -32 | -31 | -29 | -30 | -28 | -29 | -28 | -30 | -34 | -35 | -34 |
min °C | -23 | -24 | -24 | -27 | -31 | -33 | -33 | -34 | -31 | -31 | -33 | -29 | -33 | -34 | -35 | -35 | -35 |
-34 | -34 | -36 | -42 | -48 | -48 | -47 | -47 | -45 | -44 | -47 | -40 | -47 | -47 | -49 | -48 | -47 | |
0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |
Cloud base (m) | 2100 | 2100 | 2100 | 4850 | 2150 | 2150 | 2100 | 2100 | 2150 | 2150 | 2100 | 2050 | 2100 | 2150 | 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 -21°C on Sun afternoon, min -34°C on Tue night). Winds increasing (light winds from the SSW on Sun night, fresh winds from the W by Mon night).
Portal Mountain Weather (Days 3-6):
Mostly dry. Extremely cold (max -28°C on Wed night, min -35°C on Fri morning). Wind will be generally light.
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 |  | ||||
hy2c173E67S | |||||
hy2c172E67S | |||||
hy2c171E67S | |||||
hy2c174E67S | |||||
hy2c175E67S | |||||
hy2c173E66S | |||||
hy2c174E66S | |||||
hy2c172E66S | |||||
hy2c169E66S |
* 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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