– Lat/Long: 78.10° S 159.17° E
Portal Mountain
Weather Forecast, AntarcticaIssued: 11 am Sun 16 Aug Local TimeUpdates in: hr min sUpdate imminent
Issued: 11 am Sun 16 Aug Local Time
Updates in:
Update imminent hr min s
Issued: 11 am Sun 16 Aug 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 Sun morning, min -38°C on Mon night). Winds increasing (calm on Sun night, near gales from the WSW by Mon night). | Days 4–6 Weather SummaryMostly dry. Extremely cold (max -29°C on Thu night, min -36°C on Fri night). Winds increasing (fresh winds from the SSW on Wed morning, severe gales from the SW by Thu afternoon). | |||||||||||||||||
Sunday 16 | Monday 17 | Tuesday 18 | Wednesday 19 | Thursday 20 | Friday 21 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  | | |  | | | |  |  | | | | | | | | | |
clear | clear | clear | clear | some clouds | clear | clear | some clouds | cloudy | cloudy | cloudy | clear | clear | clear | clear | clear | clear | clear | |
Cloud base (m) | 2150 | 3200 | 2150 | 2150 | 2100 | 2100 | 2100 | 2150 | ||||||||||
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
 cm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
max °C | -31 | -33 | -36 | -34 | -33 | -36 | -36 | -35 | -32 | -31 | -31 | -30 | -31 | -30 | -29 | -32 | -35 | -35 |
min °C | -31 | -36 | -37 | -35 | -34 | -38 | -37 | -35 | -33 | -32 | -31 | -31 | -31 | -31 | -30 | -33 | -35 | -36 |
chill °C | -49 | -46 | -37 | -51 | -53 | -59 | -50 | -48 | -49 | -49 | -48 | -50 | -53 | -54 | -51 | -54 | -57 | -56 |
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 | — | — | 12:26 | — | — |
 | 12:00 | — | — | 12:00 | — | — | 12:00 | — | — | 12:00 | — | — | 12:00 | — | — | 2:26 | — | — |
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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 Sun morning, min -38°C on Mon night). Winds increasing (calm on Sun night, near gales from the WSW by Mon night).
Portal Mountain Weather (Days 3-6):
Mostly dry. Extremely cold (max -29°C on Thu night, min -36°C on Fri night). Winds increasing (fresh winds from the SSW on Wed morning, severe gales from the SW by Thu afternoon).
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 |  | ||||
Dumont Durville |  | ||||
DomeA | |||||
EnderbyIslandAws | |||||
ASCATB264E68S | |||||
ASCATC264E68S | |||||
ASCATC87E60S | |||||
ASCATB260E67S |
* 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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