– Lat/Long: 78.10° S 159.17° E
Portal Mountain
Weather Forecast, AntarcticaIssued: 11 pm Tue 08 Sep Local TimeUpdates in: hr min sUpdate imminent
Issued: 11 pm Tue 08 Sep Local Time
Updates in:
Update imminent hr min s
Issued: 11 pm Tue 08 Sep 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 -33°C on Fri morning, min -42°C on Tue night). Winds decreasing (near gales from the WSW on Tue night, calm by Thu morning). | Days 5–7 Weather SummaryMostly dry. Extremely cold (max -26°C on Sun night, min -32°C on Fri night). Winds increasing (light winds from the SSW on Sat morning, strong winds from the WSW by Mon morning). | |||||||||||||||
Wednesday 9 | Thursday 10 | Friday 11 | Saturday 12 | Sunday 13 | ||||||||||||
night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  |  |  | |  | | | | | | | | | | |
clear | clear | some clouds | some clouds | cloudy | cloudy | cloudy | cloudy | cloudy | cloudy | cloudy | cloudy | cloudy | cloudy | cloudy | clear | |
Cloud base (m) | 4200 | 2100 | 2100 | 2050 | 2050 | 2100 | 2100 | 2100 | 2100 | 2100 | 2100 | 2050 | ||||
km/h | ||||||||||||||||
 |  |  |  |  |  | |||||||||||
 cm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
max °C | -40 | -39 | -38 | -35 | -34 | -34 | -34 | -33 | -33 | -32 | -31 | -31 | -30 | -29 | -27 | -26 |
min °C | -42 | -40 | -38 | -37 | -35 | -35 | -34 | -33 | -33 | -32 | -32 | -31 | -32 | -30 | -28 | -27 |
chill °C | -66 | -55 | -52 | -49 | -41 | -47 | -47 | -48 | -49 | -47 | -44 | -43 | -45 | -45 | -43 | -44 |
Freezing level m | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
 | — | 8:53 | — | — | 8:45 | — | — | 8:37 | — | — | 8:30 | — | — | 8:22 | — | — |
 | — | — | 5:49 | — | — | 5:57 | — | — | 6:04 | — | — | 6:12 | — | — | 6:19 | — |
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Portal Mountain Weather (Days 0-3):
The weather forecast for Portal Mountain is: Mostly dry. Extremely cold (max -33°C on Fri morning, min -42°C on Tue night). Winds decreasing (near gales from the WSW on Tue night, calm by Thu morning).
Portal Mountain Weather (Days 3-6):
Mostly dry. Extremely cold (max -26°C on Sun night, min -32°C on Fri night). Winds increasing (light winds from the SSW on Sat morning, strong winds from the WSW 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 |  | ||||
ASCATC138E64S | |||||
ASCATC137E64S | |||||
ASCATC166E62S | |||||
ASCATB163E62S | |||||
ASCATB135E64S | |||||
ASCATB134E64S | |||||
ASCATC134E64S | |||||
ASCATC133E64S | |||||
ASCATC160E62S |
* 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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