– Lat/Long: 78.10° S 159.17° E
Portal Mountain
Weather Forecast, AntarcticaIssued: 11 am Tue 01 Sep Local TimeUpdates in: hr min sUpdate imminent
Issued: 11 am Tue 01 Sep Local Time
Updates in:
Update imminent hr min s
Issued: 11 am Tue 01 Sep Local Time
Updates in:
Update imminent hr min s
3 Portal Mountain Elevations: 3 Forecast Elevations: Days 1–3 Weather SummaryMostly dry. Extremely cold (max -16°C on Tue morning, min -31°C on Thu night). Winds increasing (moderate winds from the NW on Tue night, severe gales from the WSW by Thu morning). | Days 4–6 Weather SummaryA dusting of new snow. Extremely cold (max -28°C on Sat night, min -34°C on Sun night). Winds decreasing (near gales from the WSW on Fri afternoon, calm by Sat night). | |||||||||||||||||
Tuesday 1 | Wednesday 2 | Thursday 3 | Friday 4 | Saturday 5 | Sunday 6 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  |  |  |  | | | | | | | | | | |  | | |
cloudy | cloudy | some clouds | some clouds | clear | clear | clear | clear | clear | clear | clear | clear | clear | clear | some clouds | cloudy | light snow | cloudy | |
Cloud base (m) | 2100 | 2100 | 2200 | 5100 | 9400 | 2100 | 2100 | |||||||||||
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
 cm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
max °C | -16 | -16 | -18 | -28 | -27 | -27 | -28 | -28 | -28 | -31 | -31 | -31 | -31 | -31 | -28 | -28 | -31 | -33 |
min °C | -16 | -17 | -27 | -29 | -27 | -28 | -28 | -28 | -31 | -31 | -31 | -32 | -31 | -31 | -31 | -30 | -32 | -34 |
chill °C | -26 | -28 | -43 | -48 | -46 | -48 | -49 | -49 | -50 | -50 | -51 | -51 | -45 | -43 | -40 | -39 | -42 | -34 |
Freezing level m | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
 | 10:03 | — | — | 9:53 | — | — | 9:45 | — | — | 9:37 | — | — | 9:27 | — | — | 9:18 | — | — |
 | — | 4:45 | — | — | 4:53 | — | — | 5:01 | — | — | 5:09 | — | — | 5:19 | — | — | 5:25 | — |
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Portal Mountain Weather (Days 0-3):
The weather forecast for Portal Mountain is: Mostly dry. Extremely cold (max -16°C on Tue morning, min -31°C on Thu night). Winds increasing (moderate winds from the NW on Tue night, severe gales from the WSW by Thu morning).
Portal Mountain Weather (Days 3-6):
A dusting of new snow. Extremely cold (max -28°C on Sat night, min -34°C on Sun night). Winds decreasing (near gales from the WSW on Fri afternoon, calm by Sat 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 |
|---|---|---|---|---|---|
Williams Field |  | ||||
DomeA | |||||
ASCATC120E62S | |||||
ASCATC119E62S | |||||
ASCATB118E62S | |||||
ASCATC118E62S | |||||
ASCATC117E62S | |||||
ASCATB117E62S | |||||
ASCATC120E61S | |||||
ASCATB116E62S |
* 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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