– Lat/Long: 78.10° S 159.17° E
Portal Mountain
Weather Forecast, AntarcticaIssued: 11 am Wed 20 May Local TimeUpdates in: hr min sUpdate imminent
Issued: 11 am Wed 20 May Local Time
Updates in:
Update imminent hr min s
Issued: 11 am Wed 20 May 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 -29°C on Thu night, min -35°C on Fri afternoon). Wind will be generally light. | Days 4–6 Weather SummaryA moderate fall of snow, heaviest on Sat morning. Extremely cold (max -18°C on Sat night, min -29°C on Mon night). Mainly fresh winds. | |||||||||||||||||
Wednesday 20 | Thursday 21 | Friday 22 | Saturday 23 | Sunday 24 | Monday 25 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  | | | | | | | |  | |  | | | | | | | |
cloudy | cloudy | cloudy | cloudy | cloudy | cloudy | cloudy | cloudy | cloudy | light snow | light snow | light snow | light snow | light snow | light snow | light snow | cloudy | cloudy | |
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
— | — | — | — | — | — | — | — | — | 1 | 2 | 2 | 2 | 1 | 4 | 1 | — | — | |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
max °C | -31 | -34 | -32 | -32 | -30 | -29 | -32 | -33 | -29 | -23 | -20 | -18 | -18 | -19 | -18 | -22 | -27 | -27 |
min °C | -32 | -34 | -34 | -32 | -30 | -32 | -33 | -35 | -35 | -25 | -21 | -20 | -19 | -19 | -19 | -24 | -27 | -29 |
-44 | -47 | -47 | -44 | -42 | -45 | -45 | -48 | -48 | -38 | -33 | -31 | -30 | -29 | -32 | -33 | -36 | -41 | |
0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |
Cloud base (m) | 2050 | 2050 | 2050 | 2050 | 2050 | 2050 | 2150 | 2050 | 2050 | 2100 | 2100 | 2050 | 2050 | 2100 | 2050 | 2050 | 2100 | 2050 |
 | 12:00 | — | — | 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 -29°C on Thu night, min -35°C on Fri afternoon). Wind will be generally light.
Portal Mountain Weather (Days 3-6):
A moderate fall of snow, heaviest on Sat morning. Extremely cold (max -18°C on Sat night, min -29°C on Mon night). Mainly fresh winds.
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 |  | ||||
ASCATB131E64S | |||||
ASCATC132E64S | |||||
ASCATC131E64S | |||||
ASCATC130E64S | |||||
ASCATB130E64S | |||||
ASCATC129E64S | |||||
ASCATB129E64S | |||||
ASCATC128E64S | |||||
ASCATB128E64S |
* 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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