– Lat/Long: 78.10° S 159.17° E
Portal Mountain
Weather Forecast, AntarcticaIssued: 11 pm Mon 22 Jun Local TimeUpdates in: hr min sUpdate imminent
Issued: 11 pm Mon 22 Jun Local Time
Updates in:
Update imminent hr min s
Issued: 11 pm Mon 22 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 -24°C on Mon night, min -37°C on Wed night). Winds decreasing (near gales from the WSW on Wed night, light winds from the SSW by Thu afternoon). | Days 5–7 Weather SummaryMostly dry. Extremely cold (max -31°C on Fri night, min -34°C on Thu night). Winds increasing (light winds from the E on Sat afternoon, strong winds from the S by Sun morning). | ||||||||||||||||||
Tuesday 23 | Wednesday 24 | Thursday 25 | Friday 26 | Saturday 27 | Sunday 28 | ||||||||||||||
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 | cloudy | cloudy | cloudy | cloudy | cloudy | cloudy | cloudy | cloudy | cloudy | cloudy | cloudy | |
km/h | |||||||||||||||||||
 |  |  |  |  |  |  | |||||||||||||
 cm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
max °C | -24 | -27 | -29 | -30 | -32 | -33 | -34 | -36 | -35 | -33 | -34 | -33 | -31 | -33 | -32 | -33 | -32 | -33 | -32 |
min °C | -26 | -27 | -29 | -32 | -33 | -34 | -37 | -37 | -35 | -34 | -34 | -34 | -33 | -33 | -33 | -33 | -33 | -33 | -33 |
chill °C | -43 | -44 | -48 | -52 | -53 | -54 | -59 | -54 | -48 | -47 | -49 | -49 | -49 | -46 | -42 | -46 | -51 | -49 | -47 |
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) | 7450 | 9750 | 2100 | 2100 | 2050 | 2050 | 2050 | ||||||||||||
 | — | 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 -24°C on Mon night, min -37°C on Wed night). Winds decreasing (near gales from the WSW on Wed night, light winds from the SSW by Thu afternoon).
Portal Mountain Weather (Days 3-6):
Mostly dry. Extremely cold (max -31°C on Fri night, min -34°C on Thu night). Winds increasing (light winds from the E on Sat afternoon, strong winds from the S by Sun morning).
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 |  | ||||
 | |||||
ASCATB153E63S | |||||
ASCATB152E63S | |||||
ASCATB151E63S | |||||
ASCATB150E63S | |||||
ASCATB158E62S | |||||
ASCATB160E62S | |||||
ASCATB159E62S | |||||
ASCATB157E62S |
* 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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