– Lat/Long: 78.10° S 159.17° E
Portal Mountain
Weather Forecast, AntarcticaIssued: 11 pm Thu 23 Jul Local TimeUpdates in: hr min sUpdate imminent
Issued: 11 pm Thu 23 Jul Local Time
Updates in:
Update imminent hr min s
Issued: 11 pm Thu 23 Jul 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 -26°C on Sat night, min -35°C on Fri afternoon). Winds decreasing (gales from the WSW on Thu night, light winds from the W by Sun afternoon). | Days 5–7 Weather SummaryMostly dry. Extremely cold (max -28°C on Sun night, min -33°C on Tue night). Winds increasing (light winds from the WNW on Sun night, fresh winds from the WSW by Mon night). | ||||||||||||||||||
Friday 24 | Saturday 25 | Sunday 26 | Monday 27 | Tuesday 28 | Wednesday 29 | ||||||||||||||
night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  | | | | | | | | | | | | | | | |  |  | |
clear | clear | clear | clear | clear | clear | clear | clear | clear | clear | clear | clear | clear | clear | clear | clear | clear | some clouds | cloudy | |
Cloud base (m) | 9700 | 8300 | 8350 | 7750 | 4600 | ||||||||||||||
km/h | |||||||||||||||||||
 |  |  |  |  |  |  | |||||||||||||
 cm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
max °C | -32 | -33 | -34 | -35 | -33 | -31 | -26 | -26 | -26 | -28 | -30 | -29 | -29 | -30 | -30 | -31 | -32 | -30 | -28 |
min °C | -33 | -34 | -35 | -35 | -34 | -32 | -30 | -26 | -27 | -30 | -30 | -29 | -31 | -31 | -31 | -33 | -32 | -31 | -29 |
chill °C | -52 | -52 | -52 | -53 | -53 | -51 | -48 | -38 | -33 | -39 | -41 | -43 | -48 | -48 | -44 | -45 | -45 | -43 | -40 |
Freezing level m | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
 | — | 12:00 | — | — | 12:00 | — | — | 12:00 | — | — | 12:00 | — | — | 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 -26°C on Sat night, min -35°C on Fri afternoon). Winds decreasing (gales from the WSW on Thu night, light winds from the W by Sun afternoon).
Portal Mountain Weather (Days 3-6):
Mostly dry. Extremely cold (max -28°C on Sun night, min -33°C on Tue night). Winds increasing (light winds from the WNW on Sun night, fresh winds from the WSW 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 |
|---|---|---|---|---|---|
Williams Field |  | ||||
ASCATB174E75S | |||||
ASCATB175E75S | |||||
ASCATC149E63S | |||||
ASCATB147E63S | |||||
ASCATC148E63S | |||||
ASCATC147E63S | |||||
ASCATC146E63S | |||||
ASCATB146E63S | |||||
ASCATC148E62S |
* 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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