– Lat/Long: 78.10° S 159.17° E
Portal Mountain
Weather Forecast, AntarcticaIssued: 5 am Sun 12 Jul Local TimeUpdates in: hr min sUpdate imminent
Issued: 5 am Sun 12 Jul Local Time
Updates in:
Update imminent hr min s
Issued: 5 am Sun 12 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 -29°C on Tue afternoon, min -39°C on Mon afternoon). Wind will be generally light. | Days 4–6 Weather SummaryMostly dry. Extremely cold (max -26°C on Wed afternoon, min -47°C on Fri night). Winds increasing (calm on Wed morning, fresh winds from the W by Thu night). | |||||||||||||||||
Sunday 12 | Monday 13 | Tuesday 14 | Wednesday 15 | Thursday 16 | Friday 17 | |||||||||||||
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 | cloudy | cloudy | cloudy | cloudy | cloudy | cloudy | some clouds | some clouds | clear | clear | clear | clear | |
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
 cm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
max °C | -34 | -33 | -34 | -36 | -38 | -35 | -30 | -29 | -29 | -29 | -26 | -26 | -34 | -38 | -40 | -44 | -45 | -46 |
min °C | -35 | -33 | -36 | -37 | -39 | -39 | -33 | -29 | -32 | -30 | -27 | -31 | -37 | -39 | -43 | -44 | -46 | -47 |
chill °C | -47 | -45 | -50 | -52 | -54 | -54 | -44 | -29 | -38 | -36 | -33 | -43 | -53 | -58 | -62 | -63 | -63 | -63 |
Freezing level m | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Cloud base (m) | 2100 | 2050 | 2100 | 4450 | 2150 | 2150 | 2100 | 2100 | 2050 | 2050 | 2100 | 2150 | 2100 | 2150 | 2150 | 2100 | ||
 | 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 -29°C on Tue afternoon, min -39°C on Mon afternoon). Wind will be generally light.
Portal Mountain Weather (Days 3-6):
Mostly dry. Extremely cold (max -26°C on Wed afternoon, min -47°C on Fri night). Winds increasing (calm on Wed morning, fresh winds from the W by Thu night).
This table gives the weather forecast for Portal Mountain at the specific elevation of 1000 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 |  | ||||
ASCATB147E63S | |||||
ASCATB149E63S | |||||
ASCATB148E63S | |||||
ASCATB150E63S | |||||
ASCATB145E63S | |||||
ASCATB154E63S | |||||
ASCATB152E63S | |||||
ASCATC178E64S | |||||
ASCATB151E63S |
* 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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