– Lat/Long: 78.10° S 159.17° E
Portal Mountain
Weather Forecast, AntarcticaIssued: 5 pm Sun 02 Aug Local TimeUpdates in: hr min sUpdate imminent
Issued: 5 pm Sun 02 Aug Local Time
Updates in:
Update imminent hr min s
Issued: 5 pm Sun 02 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 -32°C on Tue night, min -40°C on Mon night). Winds decreasing (near gales from the W on Sun night, light winds from the WNW by Mon night). | Days 5–7 Weather SummaryA dusting of new snow. Extremely cold (max -21°C on Fri night, min -33°C on Wed afternoon). Winds decreasing (strong winds from the W on Wed afternoon, calm by Sat morning). | ||||||||||||||||
Sun 2 | Monday 3 | Tuesday 4 | Wednesday 5 | Thursday 6 | Friday 7 | ||||||||||||
PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 | |  | | |  |  | | | | | | | | | |  | |
clear | clear | clear | clear | clear | some clouds | cloudy | clear | clear | some clouds | clear | clear | clear | clear | clear | cloudy | some clouds | |
Cloud base (m) | 2100 | 2100 | 2100 | 2300 | 2800 | 5400 | |||||||||||
km/h | |||||||||||||||||
 |  |  |  |  |  | ||||||||||||
 cm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
max °C | -35 | -35 | -35 | -35 | -37 | -37 | -33 | -32 | -33 | -30 | -29 | -29 | -29 | -27 | -27 | -27 | -21 |
min °C | -35 | -36 | -36 | -37 | -40 | -38 | -35 | -33 | -33 | -33 | -31 | -30 | -30 | -30 | -27 | -27 | -28 |
chill °C | -53 | -56 | -58 | -56 | -55 | -52 | -48 | -47 | -52 | -51 | -48 | -46 | -44 | -44 | -39 | -39 | -40 |
Freezing level m | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
 | — | — | 12:00 | — | — | 12:00 | — | — | 12:00 | — | — | 12:00 | — | — | 12:00 | — | — |
 | 12:00 | — | 12:00 | — | — | 12:00 | — | — | 12:00 | — | — | 12:00 | — | — | 12:00 | — | — |
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Portal Mountain Weather (Days 0-3):
The weather forecast for Portal Mountain is: Mostly dry. Extremely cold (max -32°C on Tue night, min -40°C on Mon night). Winds decreasing (near gales from the W on Sun night, light winds from the WNW by Mon night).
Portal Mountain Weather (Days 3-6):
A dusting of new snow. Extremely cold (max -21°C on Fri night, min -33°C on Wed afternoon). Winds decreasing (strong winds from the W on Wed afternoon, calm by Sat 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 |  | ||||
hy2b197E61S | |||||
hy2b202E62S | |||||
hy2b199E61S | |||||
hy2b195E60S | |||||
hy2b205E61S | |||||
hy2b204E60S | |||||
ASCATC224E65S | |||||
hy2b227E65S | |||||
* 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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