– Lat/Long: 78.10° S 159.17° E
Portal Mountain
Weather Forecast, AntarcticaIssued: 11 pm Wed 29 Jul Local TimeUpdates in: hr min sUpdate imminent
Issued: 11 pm Wed 29 Jul Local Time
Updates in:
Update imminent hr min s
Issued: 11 pm Wed 29 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 -31°C on Wed night, min -34°C on Fri night). Winds increasing (light winds from the WSW on Wed night, strong winds from the WSW by Sat afternoon). | Days 5–7 Weather SummaryMostly dry. Extremely cold (max -27°C on Mon night, min -34°C on Sat night). Winds decreasing (severe gales from the WSW on Mon afternoon, fresh winds from the WSW by Mon night). | ||||||||||||||||||
Thursday 30 | Friday 31 | Saturday 1 | Sunday 2 | Monday 3 | Tuesday 4 | ||||||||||||||
night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  | | |  | |  | | | | | | | | | | | | | |
some clouds | clear | clear | some clouds | some clouds | clear | clear | clear | clear | clear | clear | clear | clear | clear | clear | some clouds | some clouds | some clouds | some clouds | |
Cloud base (m) | 5200 | 5050 | 4950 | 4750 | 4900 | 5250 | 4000 | 2150 | 3650 | ||||||||||
km/h | |||||||||||||||||||
 |  |  |  |  |  |  | |||||||||||||
 cm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
max °C | -31 | -32 | -32 | -31 | -31 | -31 | -32 | -34 | -34 | -33 | -32 | -33 | -33 | -33 | -31 | -27 | -27 | -32 | -35 |
min °C | -32 | -32 | -32 | -32 | -31 | -32 | -34 | -34 | -34 | -34 | -33 | -33 | -34 | -34 | -31 | -30 | -29 | -34 | -36 |
chill °C | -44 | -46 | -48 | -49 | -48 | -50 | -52 | -52 | -53 | -52 | -51 | -52 | -54 | -57 | -54 | -51 | -45 | -53 | -59 |
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 -31°C on Wed night, min -34°C on Fri night). Winds increasing (light winds from the WSW on Wed night, strong winds from the WSW by Sat afternoon).
Portal Mountain Weather (Days 3-6):
Mostly dry. Extremely cold (max -27°C on Mon night, min -34°C on Sat night). Winds decreasing (severe gales from the WSW on Mon afternoon, 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 |  | ||||
| |||||
ASCATB177E65S | |||||
ASCATC177E65S | |||||
ASCATC178E65S | |||||
ASCATB178E65S | |||||
ASCATC179E65S | |||||
ASCATB179E65S | |||||
ASCATC169E64S | |||||
ASCATB169E64S |
* 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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