– Lat/Long: 78.10° S 159.17° E
Portal Mountain
Weather Forecast, AntarcticaIssued: 11 pm Fri 10 May Local TimeUpdates in: hr min sUpdate imminent
Portal MountainWeather Forecast, Antarctica
Issued: 11 pm Fri 10 May Local Time
Updates in:
Update imminent hr min s
Issued: 11 pm Fri 10 May 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 Mon afternoon, min -32°C on Fri night). Winds increasing (calm on Fri night, fresh winds from the SSW by Mon morning). | Days 5–7 Weather SummaryA light covering of new snow mostly falling on Wed morning. Extremely cold (max -23°C on Tue night, min -36°C on Wed afternoon). Winds increasing (light winds from the SW on Tue morning, strong winds from the SE by Wed morning). | Days 8–10 Weather SummaryA dusting of new snow. Extremely cold (max -28°C on Thu night, min -31°C on Fri afternoon). Winds decreasing (fresh winds from the S on Fri morning, calm by Sat night). | Days 11–13 Weather SummaryMostly dry. Extremely cold (max -27°C on Tue night, min -34°C on Tue morning). Winds increasing (light winds from the SW on Mon night, gales from the SW by Wed morning). | |||||||||||||||||||||||||||||||||
Saturday 11 | Sunday 12 | Monday 13 | Tuesday 14 | Wednesday 15 | Thursday 16 | Friday 17 | Saturday 18 | Sunday 19 | Monday 20 | Tuesday 21 | Wed 22 | |||||||||||||||||||||||||
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 | AM | PM | |
 |  | | | | |  | | | | | |  |  | |  |  |  |  | | | | | | | | | | | | | | | | | | |
clear | clear | clear | clear | clear | clear | some clouds | clear | clear | clear | clear | clear | cloudy | light snow | light snow | snow shwrs | some clouds | cloudy | light snow | cloudy | cloudy | cloudy | some clouds | some clouds | some clouds | some clouds | clear | clear | clear | clear | clear | clear | clear | clear | clear | clear | |
km/h | ||||||||||||||||||||||||||||||||||||
Wave Height Map |  |  |  |  |  |  |  |  |  |  |  |  |  | |||||||||||||||||||||||
— | — | — | — | — | — | — | — | — | — | — | — | — | 3 | 2.0 | 1.0 | — | — | 1.0 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
max°C | -29 | -32 | -31 | -31 | -31 | -30 | -30 | -29 | -28 | -27 | -28 | -27 | -23 | -23 | -36 | -32 | -30 | -29 | -28 | -30 | -30 | -30 | -30 | -30 | -30 | -30 | -31 | -31 | -31 | -31 | -32 | -33 | -30 | -27 | -28 | -28 |
min°C | -32 | -32 | -31 | -32 | -31 | -30 | -32 | -30 | -29 | -28 | -28 | -27 | -27 | -31 | -36 | -36 | -31 | -29 | -29 | -30 | -31 | -30 | -31 | -30 | -30 | -31 | -31 | -32 | -31 | -32 | -33 | -34 | -32 | -29 | -28 | -28 |
-42 | -43 | -40 | -45 | -41 | -37 | -48 | -44 | -44 | -40 | -42 | -38 | -39 | -50 | -54 | -56 | -46 | -42 | -44 | -46 | -45 | -43 | -42 | -37 | -30 | -41 | -42 | -44 | -43 | -44 | -41 | -46 | -50 | -48 | -49 | -48 | |
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) | 2150 | 2150 | 4800 | 2100 | 2100 | 2100 | 2050 | 2100 | 2100 | 2100 | 2100 | 2100 | 2100 | 2100 | 2100 | 2150 | 2150 | 2150 | 2150 | 2150 | 2100 | 2100 | ||||||||||||||
 | — | 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 -28°C on Mon afternoon, min -32°C on Fri night). Winds increasing (calm on Fri night, fresh winds from the SSW by Mon morning).
Portal Mountain Weather (Days 3-6):
A light covering of new snow mostly falling on Wed morning. Extremely cold (max -23°C on Tue night, min -36°C on Wed afternoon). Winds increasing (light winds from the SW on Tue morning, strong winds from the SE by Wed morning).
Portal Mountain Weather (Days 6-9):
A dusting of new snow. Extremely cold (max -28°C on Thu night, min -31°C on Fri afternoon). Winds decreasing (fresh winds from the S on Fri morning, calm 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 |
|---|---|---|---|---|---|
Marble Point | |||||
Williams Field |  | ||||
Dome C II | |||||
ASCATC169E65S | |||||
ASCATC168E65S |
* 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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