– Lat/Long: 78.10° S 159.17° E
Portal Mountain
Weather Forecast, AntarcticaIssued: 5 am Wed 26 Aug Local TimeUpdates in: hr min sUpdate imminent
Issued: 5 am Wed 26 Aug Local Time
Updates in:
Update imminent hr min s
Issued: 5 am Wed 26 Aug Local Time
Updates in:
Update imminent hr min s
3 Portal Mountain Elevations: 3 Forecast Elevations: Days 1–3 Weather SummaryA dusting of new snow. Extremely cold (max -26°C on Fri morning, min -41°C on Wed night). Winds increasing (calm on Wed afternoon, fresh winds from the SSE by Thu morning). | Days 4–6 Weather SummaryMostly dry. Extremely cold (max -24°C on Mon night, min -33°C on Sun afternoon). Winds decreasing (strong winds from the SSE on Sun afternoon, calm by Mon night). | |||||||||||||||||
Wednesday 26 | Thursday 27 | Friday 28 | Saturday 29 | Sunday 30 | Monday 31 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  |  | |  |  | | | |  | | | | | | | | |
clear | clear | some clouds | cloudy | cloudy | cloudy | light snow | cloudy | cloudy | cloudy | some clouds | cloudy | cloudy | cloudy | cloudy | cloudy | cloudy | cloudy | |
Cloud base (m) | 2100 | 2050 | 2050 | 2050 | 2050 | 2100 | 2050 | 2050 | 2100 | 2100 | 2100 | 2100 | 2100 | 2100 | 2100 | 2050 | ||
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
 cm | — | — | — | — | — | — | 1 | — | — | — | — | — | — | — | — | — | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
max °C | -37 | -36 | -39 | -38 | -33 | -27 | -26 | -34 | -31 | -28 | -28 | -27 | -30 | -32 | -29 | -28 | -26 | -24 |
min °C | -39 | -38 | -41 | -40 | -35 | -31 | -31 | -36 | -34 | -29 | -28 | -29 | -32 | -33 | -32 | -29 | -26 | -25 |
chill °C | -55 | -51 | -58 | -59 | -52 | -47 | -45 | -53 | -51 | -41 | -37 | -46 | -50 | -52 | -50 | -38 | -34 | -31 |
Freezing level m | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
 | 11:07 | — | — | 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 Fri morning, min -41°C on Wed night). Winds increasing (calm on Wed afternoon, fresh winds from the SSE by Thu morning).
Portal Mountain Weather (Days 3-6):
Mostly dry. Extremely cold (max -24°C on Mon night, min -33°C on Sun afternoon). Winds decreasing (strong winds from the SSE on Sun afternoon, calm by Mon 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 |
|---|---|---|---|---|---|
Phoenix Field- McMurdo Station |  | ||||
Williams Field | | ||||
DomeA | |||||
ASCATB183E65S | |||||
ASCATB181E65S | |||||
ASCATB181E64S | |||||
ASCATB180E64S | |||||
ASCATC181E64S | |||||
ASCATB182E64S | |||||
ASCATB175E64S |
* 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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