– Lat/Long: 78.10° S 159.17° E
Portal Mountain
Weather Forecast, AntarcticaIssued: 5 am Fri 31 Jul Local TimeUpdates in: hr min sUpdate imminent
Issued: 5 am Fri 31 Jul Local Time
Updates in:
Update imminent hr min s
Issued: 5 am Fri 31 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 -31°C on Fri morning, min -37°C on Sun night). Winds increasing (fresh winds from the WSW on Fri morning, gales from the SW by Sun night). | Days 4–6 Weather SummaryMostly dry. Extremely cold (max -30°C on Mon night, min -37°C on Tue night). Winds decreasing (severe gales from the SW on Mon morning, light winds from the SW by Tue night). | |||||||||||||||||
Friday 31 | Saturday 1 | Sunday 2 | Monday 3 | Tuesday 4 | Wednesday 5 | |||||||||||||
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 | clear | clear | clear | clear | some clouds | some clouds | clear | clear | clear | some clouds | |
Cloud base (m) | 4850 | 7900 | 7200 | 5200 | 2100 | 2150 | 2300 | |||||||||||
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
 cm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
max °C | -31 | -32 | -32 | -32 | -33 | -32 | -32 | -33 | -34 | -35 | -33 | -30 | -31 | -35 | -32 | -32 | -31 | -30 |
min °C | -31 | -32 | -32 | -33 | -33 | -32 | -32 | -34 | -37 | -36 | -34 | -32 | -33 | -36 | -37 | -32 | -31 | -35 |
chill °C | -48 | -50 | -50 | -52 | -52 | -51 | -52 | -55 | -62 | -60 | -57 | -54 | -50 | -47 | -48 | -50 | -51 | -55 |
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 -31°C on Fri morning, min -37°C on Sun night). Winds increasing (fresh winds from the WSW on Fri morning, gales from the SW by Sun night).
Portal Mountain Weather (Days 3-6):
Mostly dry. Extremely cold (max -30°C on Mon night, min -37°C on Tue night). Winds decreasing (severe gales from the SW on Mon morning, light winds from the SW by Tue 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 |
|---|---|---|---|---|---|
Phoenix Field- McMurdo Station |  | ||||
Williams Field |  | ||||
ASCATB106E62S | |||||
ASCATC225E65S | |||||
ASCATC224E65S | |||||
ASCATC224E64S | |||||
ASCATB105E62S | |||||
ASCATB225E65S | |||||
ASCATC227E65S | |||||
ASCATB224E65S |
* 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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