– Lat/Long: 78.10° S 159.17° E
Portal Mountain
Weather Forecast, AntarcticaIssued: 11 pm Tue 23 Jun Local TimeUpdates in: hr min sUpdate imminent
Issued: 11 pm Tue 23 Jun Local Time
Updates in:
Update imminent hr min s
Issued: 11 pm Tue 23 Jun 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 Fri morning, min -40°C on Thu morning). Winds decreasing (fresh winds from the W on Tue night, light winds from the SW by Thu night). | Days 5–7 Weather SummaryMostly dry. Extremely cold (max -27°C on Fri night, min -34°C on Sun afternoon). Wind will be generally light. | ||||||||||||||||||
Wednesday 24 | Thursday 25 | Friday 26 | Saturday 27 | Sunday 28 | Monday 29 | ||||||||||||||
night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  | | |  |  |  | | | | | | | | |  | | | | |
clear | clear | clear | clear | some clouds | cloudy | cloudy | cloudy | cloudy | cloudy | cloudy | cloudy | cloudy | cloudy | some clouds | some clouds | cloudy | cloudy | cloudy | |
km/h | |||||||||||||||||||
 |  |  |  |  |  |  | |||||||||||||
 cm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
max °C | -34 | -35 | -36 | -37 | -36 | -34 | -29 | -26 | -26 | -27 | -28 | -27 | -28 | -33 | -32 | -31 | -31 | -32 | -32 |
min °C | -35 | -35 | -36 | -39 | -40 | -34 | -33 | -28 | -27 | -29 | -29 | -28 | -33 | -33 | -34 | -34 | -33 | -33 | -33 |
chill °C | -52 | -51 | -53 | -54 | -55 | -46 | -44 | -38 | -38 | -38 | -37 | -36 | -45 | -46 | -46 | -47 | -46 | -45 | -45 |
Freezing level m | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Cloud base (m) | 2050 | 2100 | 2150 | 2050 | 2150 | 2050 | 2100 | 2100 | |||||||||||
 | — | 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 Fri morning, min -40°C on Thu morning). Winds decreasing (fresh winds from the W on Tue night, light winds from the SW by Thu night).
Portal Mountain Weather (Days 3-6):
Mostly dry. Extremely cold (max -27°C on Fri night, min -34°C on Sun afternoon). Wind will be generally light.
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 |  | ||||
 | |||||
ASCATC185E65S | |||||
ASCATC186E65S | |||||
ASCATB166E62S | |||||
ASCATC183E64S | |||||
ASCATC184E64S | |||||
ASCATC185E64S | |||||
ASCATB161E62S | |||||
ASCATB162E62S |
* 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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