– Lat/Long: 78.10° S 159.17° E
Portal Mountain
Weather Forecast, AntarcticaIssued: 6 am Fri 25 Oct Local TimeUpdates in: hr min sUpdate imminent
Portal MountainWeather Forecast, Antarctica
Issued: 6 am Fri 25 Oct Local Time
Updates in:
Update imminent hr min s
Issued: 6 am Fri 25 Oct Local Time
Updates in:
Update imminent hr min s
3 Portal Mountain Elevations: 3 Forecast Elevations: Days 1–3 Weather SummaryMostly dry. Extremely cold (max -20°C on Sat night, min -28°C on Fri morning). Winds decreasing (strong winds from the SSE on Sat morning, light winds from the SW by Sun night). | Days 4–6 Weather SummaryMostly dry. Extremely cold (max -24°C on Mon morning, min -27°C on Mon afternoon). Wind will be generally light. | Days 7–9 Weather SummaryMostly dry. Extremely cold (max -20°C on Sat night, min -25°C on Thu morning). Winds increasing (calm on Thu morning, gales from the SW by Sat night). | Days 10–12 Weather SummaryMostly dry. Extremely cold (max -19°C on Sun morning, min -30°C on Mon afternoon). Winds decreasing (gales from the WSW on Sun afternoon, calm by Wed morning). | |||||||||||||||||||||||||||||||||
Friday 25 | Saturday 26 | Sunday 27 | Monday 28 | Tuesday 29 | Wednesday 30 | Thursday 31 | Friday 1 | Saturday 2 | Sunday 3 | Monday 4 | Tuesday 5 | |||||||||||||||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 | |  | | | | | | | | |  | | | | | | | | | |  | | | | | | | | | | | | | | | |
clear | clear | clear | clear | clear | clear | clear | clear | clear | clear | clear | some clouds | clear | clear | clear | clear | clear | clear | clear | clear | clear | cloudy | cloudy | some clouds | clear | clear | clear | clear | clear | clear | clear | clear | clear | clear | clear | clear | |
km/h | ||||||||||||||||||||||||||||||||||||
 |  |  |  |  |  |  |  |  |  |  |  | |||||||||||||||||||||||||
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
max°C | -28 | -28 | -27 | -25 | -23 | -20 | -20 | -20 | -20 | -24 | -27 | -25 | -24 | -24 | -24 | -24 | -24 | -24 | -24 | -24 | -24 | -24 | -24 | -24 | -22 | -22 | -20 | -19 | -19 | -21 | -26 | -30 | -28 | -29 | -27 | -27 |
min°C | -28 | -28 | -28 | -26 | -24 | -22 | -20 | -20 | -23 | -26 | -27 | -27 | -25 | -24 | -26 | -25 | -24 | -25 | -25 | -24 | -24 | -24 | -24 | -24 | -22 | -23 | -22 | -20 | -19 | -25 | -28 | -30 | -30 | -29 | -28 | -28 |
-37 | -38 | -40 | -40 | -37 | -32 | -32 | -30 | -30 | -34 | -35 | -39 | -35 | -36 | -35 | -36 | -34 | -33 | -32 | -29 | -31 | -33 | -33 | -34 | -35 | -39 | -37 | -37 | -35 | -43 | -46 | -49 | -47 | -39 | -40 | -35 | |
0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |
Cloud base (m) | 2200 | 2100 | 2100 | 3700 | 2150 | 2350 | 2250 | 2100 | 2100 | 2150 | 4850 | 2100 | 2100 | 2150 | 2150 | 2150 | 2150 | |||||||||||||||||||
 | 12:00 | — | — | 12:00 | — | — | 12:00 | — | — | 12:00 | — | — | 12:00 | — | — | 12:00 | — | — | 12:00 | — | — | 12:00 | — | — | 12:00 | — | — | 12:00 | — | — | 12:00 | — | — | 12:00 | — | — |
 | 12:00 | — | — | 12:00 | — | — | 12:00 | — | — | 12:00 | — | — | 12:00 | — | — | 12:00 | — | — | 12:00 | — | — | 12:00 | — | — | 12:00 | — | — | 12:00 | — | — | 12:00 | — | — | 12:00 | — | — |
Portal Mountain Weather (Days 0-3):
The weather forecast for Portal Mountain is: Mostly dry. Extremely cold (max -20°C on Sat night, min -28°C on Fri morning). Winds decreasing (strong winds from the SSE on Sat morning, light winds from the SW by Sun night).
Portal Mountain Weather (Days 3-6):
Mostly dry. Extremely cold (max -24°C on Mon morning, min -27°C on Mon afternoon). Wind will be generally light.
Portal Mountain Weather (Days 6-9):
Mostly dry. Extremely cold (max -20°C on Sat night, min -25°C on Thu morning). Winds increasing (calm on Thu morning, gales from the SW by Sat night).
This table gives the weather forecast for Portal Mountain at the specific elevation of 2555 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 |
|---|---|---|---|---|---|
Phoenix Field- McMurdo Station |  | ||||
Williams Field |  | ||||
 | |||||
ASCATB225E74S | |||||
ASCATB226E74S | |||||
ASCATB227E74S | |||||
ASCATB230E74S | |||||
ASCATB231E74S | |||||
ASCATC231E74S | |||||
ASCATC232E74S |
* 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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