– Lat/Long: 78.10° S 159.17° E
Portal Mountain
Weather Forecast, AntarcticaIssued: 5 pm Sat 29 Aug Local TimeUpdates in: hr min sUpdate imminent
Issued: 5 pm Sat 29 Aug Local Time
Updates in:
Update imminent hr min s
Issued: 5 pm Sat 29 Aug Local Time
Updates in:
Update imminent hr min s
3 Portal Mountain Elevations: 3 Forecast Elevations: Days 1–4 Weather SummaryA light covering of new snow mostly falling on Sat afternoon. Extremely cold (max -17°C on Tue morning, min -27°C on Sat night). Winds decreasing (fresh winds from the S on Sat afternoon, calm by Sat night). | Days 5–7 Weather SummaryMostly dry. Extremely cold (max -19°C on Tue afternoon, min -35°C on Thu afternoon). Winds increasing (light winds from the WNW on Tue night, severe gales from the WSW by Wed night). | ||||||||||||||||
Sat 29 | Sunday 30 | Monday 31 | Tuesday 1 | Wednesday 2 | Thursday 3 | ||||||||||||
PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  | | | | | |  |  |  | |  |  | | | | |
light snow | cloudy | some clouds | some clouds | cloudy | light snow | light snow | cloudy | snow shwrs | cloudy | some clouds | some clouds | clear | clear | clear | clear | clear | |
Cloud base (m) | 2100 | 2100 | 2100 | 5250 | 2400 | 2100 | 2100 | 2100 | 2100 | 2100 | 2150 | 4800 | |||||
km/h | |||||||||||||||||
 |  |  |  |  |  | ||||||||||||
 cm | 1 | — | — | — | — | 2 | 1 | — | 1 | — | — | — | — | — | — | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
max °C | -24 | -25 | -26 | -26 | -22 | -22 | -22 | -18 | -17 | -19 | -22 | -30 | -30 | -32 | -33 | -34 | -34 |
min °C | -25 | -27 | -27 | -26 | -25 | -22 | -22 | -21 | -18 | -19 | -28 | -30 | -31 | -34 | -34 | -35 | -35 |
chill °C | -38 | -27 | -40 | -38 | -35 | -29 | -30 | -29 | -28 | -30 | -43 | -47 | -53 | -58 | -58 | -59 | -59 |
Freezing level m | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
 | — | — | 10:22 | — | — | 10:12 | — | — | 10:03 | — | — | 9:53 | — | — | 9:45 | — | — |
 | 4:16 | — | — | 4:27 | — | — | 4:36 | — | — | 4:45 | — | — | 4:53 | — | — | 5:01 | — |
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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 afternoon. Extremely cold (max -17°C on Tue morning, min -27°C on Sat night). Winds decreasing (fresh winds from the S on Sat afternoon, calm by Sat night).
Portal Mountain Weather (Days 3-6):
Mostly dry. Extremely cold (max -19°C on Tue afternoon, min -35°C on Thu afternoon). Winds increasing (light winds from the WNW on Tue night, severe gales from the WSW by Wed night).
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 |  | ||||
Jang Bogo Station | |||||
Dumont Durville | |||||
Casey | |||||
Davis |  | ||||
BaseBelgranoII |
* 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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