– Lat/Long: 78.10° S 159.17° E
Portal Mountain
Weather Forecast, AntarcticaIssued: 6 pm Sun 15 Mar Local TimeUpdates in: hr min sUpdate imminent
Issued: 6 pm Sun 15 Mar Local Time
Updates in:
Update imminent hr min s
Issued: 6 pm Sun 15 Mar 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 -28°C on Sun afternoon, min -33°C on Mon night). Winds increasing (light winds from the WNW on Sun night, near gales from the WSW by Tue afternoon). | Days 5–7 Weather SummaryMostly dry. Extremely cold (max -30°C on Thu morning, min -35°C on Fri afternoon). Winds decreasing (near gales from the WSW on Wed afternoon, calm by Thu night). | ||||||||||||||||
Sun 15 | Monday 16 | Tuesday 17 | Wednesday 18 | Thursday 19 | Friday 20 | ||||||||||||
PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  | |  | | | | | | | | | | | | | |
clear | some clouds | some clouds | clear | clear | clear | clear | clear | clear | clear | clear | clear | clear | some clouds | some clouds | clear | clear | |
km/h | |||||||||||||||||
 |  |  |  |  |  | ||||||||||||
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
max °C | -28 | -28 | -30 | -31 | -32 | -32 | -31 | -32 | -31 | -31 | -31 | -30 | -30 | -31 | -33 | -34 | -32 |
min °C | -28 | -29 | -30 | -31 | -33 | -32 | -31 | -32 | -32 | -31 | -31 | -31 | -30 | -33 | -34 | -35 | -35 |
-43 | -41 | -42 | -46 | -49 | -49 | -50 | -52 | -52 | -50 | -50 | -49 | -45 | -33 | -34 | -44 | -47 | |
0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |
Cloud base (m) | 5350 | 2150 | 2150 | 2150 | 2150 | 2150 | 2100 | 2100 | 2100 | 2200 | |||||||
 | — | — | 7:37 | — | — | 7:46 | — | — | 7:52 | — | — | 8:00 | — | — | 8:07 | — | — |
 | 9:28 | — | — | 9:20 | — | — | 9:13 | — | — | 9:05 | — | — | 8:57 | — | — | 8:49 | — |
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Portal Mountain Weather (Days 0-3):
The weather forecast for Portal Mountain is: Mostly dry. Extremely cold (max -28°C on Sun afternoon, min -33°C on Mon night). Winds increasing (light winds from the WNW on Sun night, near gales from the WSW by Tue afternoon).
Portal Mountain Weather (Days 3-6):
Mostly dry. Extremely cold (max -30°C on Thu morning, min -35°C on Fri afternoon). Winds decreasing (near gales from the WSW on Wed afternoon, calm by Thu 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 |
|---|---|---|---|---|---|
Cape Ross | |||||
Williams Field |  | ||||
ASCATC242E74S | |||||
ASCATB243E74S | |||||
ASCATC243E74S | |||||
ASCATC242E73S | |||||
ASCATB243E73S | |||||
ASCATB244E74S | |||||
ASCATC243E73S |
* 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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