– Lat/Long: 78.10° S 159.17° E
Portal Mountain
Weather Forecast, AntarcticaIssued: 11 am Tue 21 Jul Local TimeUpdates in: hr min sUpdate imminent
Issued: 11 am Tue 21 Jul Local Time
Updates in:
Update imminent hr min s
Issued: 11 am Tue 21 Jul 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 -25°C on Wed night, min -36°C on Thu night). Winds increasing (calm on Tue afternoon, near gales from the WSW by Thu afternoon). | Days 4–6 Weather SummaryMostly dry. Extremely cold (max -31°C on Sat afternoon, min -39°C on Fri afternoon). Winds decreasing (gales from the WSW on Sat afternoon, light winds from the W by Sun night). | |||||||||||||||||
Tuesday 21 | Wednesday 22 | Thursday 23 | Friday 24 | Saturday 25 | Sunday 26 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  | | | |  | | |  | | | | | | | |  | |
some clouds | some clouds | clear | some clouds | some clouds | some clouds | cloudy | some clouds | clear | clear | some clouds | some clouds | clear | clear | some clouds | clear | some clouds | cloudy | |
Cloud base (m) | 2100 | 2100 | 2100 | 2150 | 2150 | 4050 | 2200 | |||||||||||
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
 cm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
max °C | -26 | -26 | -26 | -26 | -26 | -25 | -28 | -33 | -35 | -36 | -39 | -35 | -34 | -31 | -31 | -33 | -32 | -31 |
min °C | -26 | -26 | -26 | -26 | -26 | -27 | -31 | -35 | -36 | -38 | -39 | -39 | -34 | -33 | -32 | -33 | -33 | -32 |
chill °C | -34 | -26 | -33 | -37 | -36 | -42 | -51 | -56 | -57 | -55 | -53 | -54 | -55 | -55 | -51 | -50 | -47 | -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 | — | — | 12:00 | — | — | 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 -25°C on Wed night, min -36°C on Thu night). Winds increasing (calm on Tue afternoon, near gales from the WSW by Thu afternoon).
Portal Mountain Weather (Days 3-6):
Mostly dry. Extremely cold (max -31°C on Sat afternoon, min -39°C on Fri afternoon). Winds decreasing (gales from the WSW on Sat afternoon, light winds from the W 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 |
|---|---|---|---|---|---|
Williams Field |  | ||||
 | |||||
ASCATB148E63S | |||||
ASCATB147E63S | |||||
ASCATB149E63S | |||||
ASCATB151E63S | |||||
ASCATB150E63S | |||||
ASCATB146E63S | |||||
ASCATB144E63S | |||||
ASCATB151E62S |
* 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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