– Lat/Long: 78.10° S 159.17° E
Portal Mountain
Weather Forecast, AntarcticaIssued: 5 am Sun 06 Sep Local TimeUpdates in: hr min sUpdate imminent
Issued: 5 am Sun 06 Sep Local Time
Updates in:
Update imminent hr min s
Issued: 5 am Sun 06 Sep 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 -38°C on Sun morning, min -48°C on Mon night). Winds increasing (calm on Mon night, strong winds from the W by Tue night). | Days 4–6 Weather SummaryMostly dry. Extremely cold (max -34°C on Fri night, min -39°C on Wed night). Winds increasing (light winds from the WSW on Thu night, near gales from the SW by Fri night). | |||||||||||||||||
Sunday 6 | Monday 7 | Tuesday 8 | Wednesday 9 | Thursday 10 | Friday 11 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  |  | |  | | | | | | | | | | | | | |
cloudy | cloudy | some clouds | clear | clear | clear | clear | clear | clear | clear | clear | clear | clear | clear | clear | clear | clear | clear | |
Cloud base (m) | 2150 | 2150 | 2150 | 2150 | 2100 | 2150 | ||||||||||||
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
 cm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
max °C | -38 | -38 | -39 | -42 | -42 | -46 | -43 | -41 | -38 | -37 | -37 | -38 | -37 | -36 | -36 | -35 | -35 | -34 |
min °C | -38 | -38 | -41 | -42 | -44 | -48 | -46 | -42 | -39 | -38 | -37 | -39 | -38 | -36 | -36 | -36 | -36 | -36 |
chill °C | -49 | -49 | -58 | -60 | -62 | -48 | -62 | -65 | -58 | -59 | -57 | -56 | -54 | -50 | -50 | -53 | -55 | -56 |
Freezing level m | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
 | 9:18 | — | — | 9:11 | — | — | 9:03 | — | — | 8:53 | — | — | 8:45 | — | — | 8:37 | — | — |
 | — | 5:25 | — | — | 5:34 | — | — | 5:42 | — | — | 5:49 | — | — | 5:57 | — | — | 6:04 | — |
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Portal Mountain Weather (Days 0-3):
The weather forecast for Portal Mountain is: Mostly dry. Extremely cold (max -38°C on Sun morning, min -48°C on Mon night). Winds increasing (calm on Mon night, strong winds from the W by Tue night).
Portal Mountain Weather (Days 3-6):
Mostly dry. Extremely cold (max -34°C on Fri night, min -39°C on Wed night). Winds increasing (light winds from the WSW on Thu night, near gales from the SW by Fri 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 |  | ||||
 | |||||
ASCATB234E66S | |||||
ASCATB233E66S | |||||
ASCATC221E63S | |||||
ASCATC236E67S | |||||
ASCATC220E63S | |||||
ASCATC237E67S | |||||
ASCATB236E66S |
* 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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