– Lat/Long: 78.10° S 159.17° E
Portal Mountain
Weather Forecast, AntarcticaIssued: 12 am Wed 25 Feb Local TimeUpdates in: hr min sUpdate imminent
Issued: 12 am Wed 25 Feb Local Time
Updates in:
Update imminent hr min s
Issued: 12 am Wed 25 Feb Local Time
Updates in:
Update imminent hr min s
3 Portal Mountain Elevations: 3 Forecast Elevations: Days 1–4 Weather SummaryMostly dry. Temperatures will be well below freezing (max -10°C on Wed morning, min -18°C on Thu night). Winds decreasing (fresh winds from the SW on Tue night, calm by Wed night). | Days 5–7 Weather SummaryMostly dry. Extremely cold (max -20°C on Fri night, min -25°C on Sat night). Winds increasing (light winds from the W on Fri night, near gales from the SW by Sun night). | ||||||||||||||||||
Wednesday 25 | Thursday 26 | Friday 27 | Saturday 28 | Sunday 1 | Monday 2 | ||||||||||||||
night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  | |  | | | |  | |  | |  | | | | | | | | |
some clouds | cloudy | cloudy | cloudy | cloudy | cloudy | some clouds | clear | clear | clear | clear | some clouds | some clouds | some clouds | clear | clear | clear | clear | clear | |
km/h | |||||||||||||||||||
 |  |  |  |  |  |  | |||||||||||||
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
max °C | -12 | -10 | -10 | -11 | -14 | -14 | -15 | -17 | -17 | -20 | -22 | -22 | -23 | -23 | -20 | -21 | -21 | -20 | -21 |
min °C | -14 | -11 | -10 | -14 | -14 | -14 | -18 | -18 | -18 | -22 | -22 | -23 | -25 | -24 | -21 | -22 | -21 | -20 | -23 |
-26 | -18 | -14 | -20 | -19 | -20 | -26 | -25 | -26 | -32 | -33 | -34 | -35 | -34 | -32 | -38 | -37 | -35 | -38 | |
0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |
Cloud base (m) | 5350 | 4800 | 4600 | 4600 | 2250 | 2100 | 5500 | 8150 | 2150 | 2150 | 2100 | 2100 | 4650 | ||||||
 | — | 4:43 | — | — | 4:56 | — | — | 5:07 | — | — | 5:20 | — | — | 5:31 | — | — | 5:41 | — | — |
 | — | 12:31 | — | — | 12:18 | — | — | — | — | 11:53 | — | — | 11:43 | — | — | 11:31 | — | — | 11:22 |
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Portal Mountain Weather (Days 0-3):
The weather forecast for Portal Mountain is: Mostly dry. Temperatures will be well below freezing (max -10°C on Wed morning, min -18°C on Thu night). Winds decreasing (fresh winds from the SW on Tue night, calm by Wed night).
Portal Mountain Weather (Days 3-6):
Mostly dry. Extremely cold (max -20°C on Fri night, min -25°C on Sat night). Winds increasing (light winds from the W on Fri night, near gales from the SW by Sun 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 |
|---|---|---|---|---|---|
SHIP3570 | |||||
Phoenix Field- McMurdo Station |  | ||||
Mcmurdo | |||||
Cape Ross | |||||
Williams Field |  | ||||
ASCATC165E77S | |||||
ASCATB165E77S | |||||
ASCATC166E77S | |||||
ASCATB166E77S | |||||
ASCATC167E77S |
* 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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