– Lat/Long: 78.10° S 159.17° E
Portal Mountain
Weather Forecast, AntarcticaIssued: 11 am Tue 18 Aug Local TimeUpdates in: hr min sUpdate imminent
Issued: 11 am Tue 18 Aug Local Time
Updates in:
Update imminent hr min s
Issued: 11 am Tue 18 Aug 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 -28°C on Thu afternoon, min -35°C on Tue morning). Winds increasing (light winds from the SSW on Tue morning, severe gales from the SW by Wed night). | Days 4–6 Weather SummaryMostly dry. Extremely cold (max -30°C on Fri morning, min -38°C on Sat morning). Winds decreasing (near gales from the SW on Fri morning, calm by Sun night). | |||||||||||||||||
Tuesday 18 | Wednesday 19 | Thursday 20 | Friday 21 | Saturday 22 | Sunday 23 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  | |  |  |  | | | | | | | | | | | | |
some clouds | cloudy | cloudy | cloudy | some clouds | clear | clear | cloudy | clear | clear | clear | clear | clear | cloudy | clear | some clouds | clear | some clouds | |
Cloud base (m) | 2100 | 2100 | 2100 | 2150 | 2150 | 2050 | 2050 | 2100 | 2150 | |||||||||
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
 cm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
max °C | -33 | -31 | -30 | -32 | -33 | -30 | -29 | -28 | -28 | -30 | -31 | -33 | -37 | -38 | -37 | -34 | -34 | -34 |
min °C | -35 | -33 | -32 | -32 | -33 | -33 | -30 | -28 | -30 | -30 | -32 | -36 | -38 | -38 | -38 | -35 | -34 | -36 |
chill °C | -48 | -49 | -49 | -48 | -49 | -48 | -53 | -50 | -50 | -50 | -50 | -45 | -47 | -47 | -49 | -47 | -45 | -42 |
Freezing level m | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
 | 12:00 | — | — | 12:00 | — | — | 12:00 | — | — | 12:26 | — | — | 12:04 | — | — | 11:48 | — | — |
 | 12:00 | — | — | 12:00 | — | — | 12:00 | — | — | 2:26 | — | — | 2:48 | — | — | — | 3:06 | — |
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Portal Mountain Weather (Days 0-3):
The weather forecast for Portal Mountain is: Mostly dry. Extremely cold (max -28°C on Thu afternoon, min -35°C on Tue morning). Winds increasing (light winds from the SSW on Tue morning, severe gales from the SW by Wed night).
Portal Mountain Weather (Days 3-6):
Mostly dry. Extremely cold (max -30°C on Fri morning, min -38°C on Sat morning). Winds decreasing (near gales from the SW on Fri morning, calm by Sun 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 |  | ||||
Dumont Durville | |||||
DomeA | |||||
Casey |  | ||||
ASCATC123E63S | |||||
ASCATC123E62S | |||||
ASCATC122E62S | |||||
ASCATC120E63S | |||||
ASCATB120E63S |
* 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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