– Lat/Long: 78.10° S 159.17° E
Portal Mountain
Weather Forecast, AntarcticaIssued: 5 pm Wed 26 Aug Local TimeUpdates in: hr min sUpdate imminent
Issued: 5 pm Wed 26 Aug Local Time
Updates in:
Update imminent hr min s
Issued: 5 pm Wed 26 Aug Local Time
Updates in:
Update imminent hr min s
3 Portal Mountain Elevations: 3 Forecast Elevations: Days 1–4 Weather SummaryA dusting of new snow. Extremely cold (max -26°C on Thu night, min -41°C on Wed night). Winds increasing (light winds from the E on Wed afternoon, strong winds from the S by Thu afternoon). | Days 5–7 Weather SummaryMostly dry. Extremely cold (max -20°C on Tue morning, min -30°C on Sun morning). Winds decreasing (fresh winds from the SE on Sat night, light winds from the ESE by Mon morning). | ||||||||||||||||
Wed 26 | Thursday 27 | Friday 28 | Saturday 29 | Sunday 30 | Monday 31 | ||||||||||||
PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  |  |  | | |  | |  | | | | | | | | |
clear | some clouds | cloudy | light snow | light snow | light snow | cloudy | cloudy | cloudy | some clouds | cloudy | cloudy | cloudy | cloudy | cloudy | cloudy | cloudy | |
Cloud base (m) | 2100 | 2050 | 2050 | 2050 | 2100 | 2050 | 2050 | 2050 | 2100 | 2100 | 2100 | 2100 | 2100 | 2200 | 2100 | 2100 | |
km/h | |||||||||||||||||
 |  |  |  |  |  | ||||||||||||
 cm | — | — | — | 1 | 2 | 1 | — | — | — | — | — | — | — | — | — | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
max °C | -36 | -39 | -37 | -33 | -26 | -29 | -30 | -32 | -29 | -29 | -27 | -30 | -29 | -25 | -23 | -22 | -21 |
min °C | -37 | -41 | -39 | -35 | -31 | -30 | -33 | -35 | -31 | -29 | -29 | -30 | -30 | -28 | -23 | -22 | -22 |
chill °C | -51 | -58 | -59 | -54 | -48 | -46 | -50 | -54 | -46 | -41 | -43 | -44 | -44 | -39 | -28 | -29 | -30 |
Freezing level m | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
 | — | — | 10:55 | — | — | 10:44 | — | — | 10:33 | — | — | 10:22 | — | — | 10:12 | — | — |
 | 3:45 | — | — | 3:56 | — | — | 4:07 | — | — | 4:16 | — | — | 4:27 | — | — | 4:36 | — |
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Portal Mountain Weather (Days 0-3):
The weather forecast for Portal Mountain is: A dusting of new snow. Extremely cold (max -26°C on Thu night, min -41°C on Wed night). Winds increasing (light winds from the E on Wed afternoon, strong winds from the S by Thu afternoon).
Portal Mountain Weather (Days 3-6):
Mostly dry. Extremely cold (max -20°C on Tue morning, min -30°C on Sun morning). Winds decreasing (fresh winds from the SE on Sat night, light winds from the ESE by Mon morning).
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 |
|---|---|---|---|---|---|
Williams Field |  | ||||
Dumont Durville |  | ||||
DomeA | |||||
ASCATB185E64S | |||||
ASCATB186E64S | |||||
ASCATC187E64S | |||||
ASCATB187E64S | |||||
ASCATC188E64S | |||||
ASCATB188E64S | |||||
ASCATB185E63S |
* 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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