– Lat/Long: 78.10° S 159.17° E
Portal Mountain
Weather Forecast, AntarcticaIssued: 11 pm Sat 22 Aug Local TimeUpdates in: hr min sUpdate imminent
Issued: 11 pm Sat 22 Aug Local Time
Updates in:
Update imminent hr min s
Issued: 11 pm Sat 22 Aug 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 -31°C on Sun night, min -41°C on Mon night). Winds decreasing (fresh winds from the W on Sat night, light winds from the WSW by Sun afternoon). | Days 5–7 Weather SummaryA light covering of new snow mostly falling on Thu night. Extremely cold (max -15°C on Thu night, min -45°C on Wed morning). Winds increasing (light winds from the W on Wed night, strong winds from the S by Fri morning). | |||||||||||||||
Sunday 23 | Monday 24 | Tuesday 25 | Wednesday 26 | Thursday 27 | ||||||||||||
night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  |  |  | | | | | | | |  | | |  | |
clear | some clouds | cloudy | cloudy | clear | clear | clear | clear | clear | clear | clear | clear | some clouds | cloudy | cloudy | light snow | |
Cloud base (m) | 2050 | 2100 | 2100 | 2100 | 2150 | 5150 | 2100 | 2100 | 2100 | |||||||
km/h | ||||||||||||||||
 |  |  |  |  |  | |||||||||||
 cm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 4 |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
max °C | -35 | -35 | -32 | -31 | -35 | -39 | -40 | -40 | -40 | -41 | -44 | -41 | -29 | -23 | -18 | -15 |
min °C | -37 | -38 | -32 | -32 | -38 | -40 | -41 | -41 | -41 | -44 | -45 | -43 | -38 | -25 | -21 | -16 |
chill °C | -52 | -52 | -41 | -41 | -52 | -55 | -56 | -57 | -57 | -62 | -62 | -59 | -50 | -35 | -30 | -29 |
Freezing level m | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
 | — | 11:48 | — | — | 11:33 | — | — | 11:18 | — | — | 11:07 | — | — | 10:55 | — | — |
 | — | — | 3:06 | — | — | 3:19 | — | — | 3:33 | — | — | 3:45 | — | — | 3:56 | — |
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Portal Mountain Weather (Days 0-3):
The weather forecast for Portal Mountain is: Mostly dry. Extremely cold (max -31°C on Sun night, min -41°C on Mon night). Winds decreasing (fresh winds from the W on Sat night, light winds from the WSW by Sun afternoon).
Portal Mountain Weather (Days 3-6):
A light covering of new snow mostly falling on Thu night. Extremely cold (max -15°C on Thu night, min -45°C on Wed morning). Winds increasing (light winds from the W on Wed night, strong winds from the S by Fri morning).
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 |  | ||||
Dumont Durville | |||||
ASCATC154E64S | |||||
ASCATC155E64S | |||||
ASCATB153E64S | |||||
ASCATC153E64S | |||||
ASCATC152E64S | |||||
ASCATB152E64S | |||||
ASCATB151E64S | |||||
ASCATC151E64S |
* 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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