– Lat/Long: 78.10° S 159.17° E
Portal Mountain
Weather Forecast, AntarcticaIssued: 5 pm Wed 15 Jul Local TimeUpdates in: hr min sUpdate imminent
Issued: 5 pm Wed 15 Jul Local Time
Updates in:
Update imminent hr min s
Issued: 5 pm Wed 15 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 -33°C on Wed afternoon, min -40°C on Thu night). Winds increasing (light winds from the WSW on Wed afternoon, severe gales from the W by Thu night). | Days 5–7 Weather SummaryMostly dry. Extremely cold (max -25°C on Tue morning, min -41°C on Sat afternoon). Winds increasing (light winds from the SSW on Sun night, strong winds from the SSW by Tue morning). | ||||||||||||||||
Wed 15 | Thursday 16 | Friday 17 | Saturday 18 | Sunday 19 | Monday 20 | ||||||||||||
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 | some clouds | cloudy | some clouds | some clouds | clear | some clouds | some clouds | cloudy | cloudy | cloudy | |
km/h | |||||||||||||||||
 |  |  |  |  |  | ||||||||||||
 cm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
max °C | -33 | -34 | -37 | -38 | -39 | -38 | -38 | -37 | -39 | -40 | -36 | -37 | -37 | -34 | -31 | -29 | -26 |
min °C | -33 | -35 | -38 | -39 | -40 | -38 | -39 | -38 | -40 | -41 | -40 | -37 | -37 | -36 | -32 | -30 | -28 |
chill °C | -41 | -54 | -62 | -65 | -67 | -62 | -61 | -55 | -56 | -57 | -56 | -55 | -53 | -48 | -44 | -44 | -43 |
Freezing level m | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Cloud base (m) | 2050 | 2100 | 2150 | 2150 | 5050 | 3500 | 4200 | 4500 | 4700 | 4200 | 2100 | 2100 | |||||
 | — | — | 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 -33°C on Wed afternoon, min -40°C on Thu night). Winds increasing (light winds from the WSW on Wed afternoon, severe gales from the W by Thu night).
Portal Mountain Weather (Days 3-6):
Mostly dry. Extremely cold (max -25°C on Tue morning, min -41°C on Sat afternoon). Winds increasing (light winds from the SSW on Sun night, strong winds from the SSW by Tue morning).
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 |  | ||||
ASCATB177E64S | |||||
ASCATB178E64S | |||||
ASCATB168E63S | |||||
ASCATB169E63S | |||||
ASCATB170E63S | |||||
ASCATB171E63S | |||||
ASCATB172E63S | |||||
ASCATB173E63S | |||||
ASCATB174E63S |
* 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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