– Lat/Long: 78.10° S 159.17° E
Portal Mountain
Weather Forecast, AntarcticaIssued: 5 am Sat 20 Jun Local TimeUpdates in: hr min sUpdate imminent
Issued: 5 am Sat 20 Jun Local Time
Updates in:
Update imminent hr min s
Issued: 5 am Sat 20 Jun Local Time
Updates in:
Update imminent hr min s
3 Portal Mountain Elevations: 3 Forecast Elevations: Days 1–3 Weather SummaryA light covering of new snow mostly falling on Sat afternoon. Extremely cold (max -20°C on Sat night, min -26°C on Mon night). Winds decreasing (strong winds from the S on Sat night, light winds from the SW by Mon morning). | Days 4–6 Weather SummaryMostly dry. Extremely cold (max -26°C on Tue morning, min -41°C on Thu morning). Winds decreasing (gales from the WSW on Wed night, light winds from the SW by Thu night). | |||||||||||||||||
Saturday 20 | Sunday 21 | Monday 22 | Tuesday 23 | Wednesday 24 | Thursday 25 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  | | | |  | |  | | |  |  |  | | | | | |
cloudy | light snow | light snow | light snow | light snow | cloudy | clear | clear | clear | clear | clear | some clouds | cloudy | some clouds | clear | clear | clear | clear | |
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
 cm | — | 2 | 4 | 2 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
max °C | -22 | -22 | -20 | -20 | -21 | -23 | -23 | -23 | -25 | -26 | -27 | -28 | -30 | -35 | -36 | -41 | -41 | -35 |
min °C | -23 | -22 | -22 | -21 | -22 | -24 | -23 | -24 | -26 | -26 | -27 | -29 | -32 | -36 | -40 | -41 | -41 | -40 |
chill °C | -36 | -36 | -37 | -35 | -35 | -36 | -31 | -33 | -40 | -40 | -42 | -46 | -52 | -59 | -62 | -62 | -57 | -53 |
Freezing level m | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Cloud base (m) | 2050 | 2050 | 2100 | 2050 | 2050 | 2100 | 2100 | 9500 | 7500 | 5200 | 4900 | 3950 | ||||||
 | 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: A light covering of new snow mostly falling on Sat afternoon. Extremely cold (max -20°C on Sat night, min -26°C on Mon night). Winds decreasing (strong winds from the S on Sat night, light winds from the SW by Mon morning).
Portal Mountain Weather (Days 3-6):
Mostly dry. Extremely cold (max -26°C on Tue morning, min -41°C on Thu morning). Winds decreasing (gales from the WSW on Wed night, light winds from the SW by Thu 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 |  | ||||
ASCATB178E65S | |||||
ASCATB177E65S | |||||
ASCATB179E65S | |||||
ASCATB177E64S | |||||
ASCATB176E64S | |||||
ASCATB178E64S | |||||
ASCATB179E64S | |||||
ASCATB180E65S | |||||
ASCATB182E65S |
* 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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