– Lat/Long: 78.10° S 159.17° E
Portal Mountain
Weather Forecast, AntarcticaIssued: 11 am Tue 04 Aug Local TimeUpdates in: hr min sUpdate imminent
Issued: 11 am Tue 04 Aug Local Time
Updates in:
Update imminent hr min s
Issued: 11 am Tue 04 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 -24°C on Thu night, min -37°C on Tue morning). Winds decreasing (strong winds from the SW on Tue night, light winds from the WSW by Thu morning). | Days 4–6 Weather SummaryMostly dry. Extremely cold (max -22°C on Sat morning, min -35°C on Sun morning). Winds increasing (light winds from the NNW on Sat morning, severe gales from the WSW by Sun night). | |||||||||||||||||
Tuesday 4 | Wednesday 5 | Thursday 6 | Friday 7 | Saturday 8 | Sunday 9 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  |  | | | |  | | | | | | | | | | | |
some clouds | cloudy | clear | some clouds | cloudy | some clouds | some clouds | clear | clear | clear | some clouds | some clouds | cloudy | cloudy | some clouds | clear | clear | clear | |
Cloud base (m) | 2100 | 2050 | 2100 | 2150 | 2800 | 2100 | 2100 | 9850 | 5200 | 2100 | 2100 | 4650 | ||||||
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
 cm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
max °C | -36 | -32 | -31 | -28 | -27 | -27 | -30 | -29 | -24 | -23 | -24 | -24 | -22 | -23 | -26 | -35 | -34 | -33 |
min °C | -37 | -35 | -32 | -30 | -27 | -30 | -30 | -30 | -28 | -24 | -24 | -26 | -23 | -25 | -34 | -35 | -35 | -34 |
chill °C | -50 | -50 | -48 | -48 | -42 | -42 | -40 | -40 | -42 | -39 | -39 | -40 | -32 | -38 | -54 | -56 | -58 | -58 |
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 -24°C on Thu night, min -37°C on Tue morning). Winds decreasing (strong winds from the SW on Tue night, light winds from the WSW by Thu morning).
Portal Mountain Weather (Days 3-6):
Mostly dry. Extremely cold (max -22°C on Sat morning, min -35°C on Sun morning). Winds increasing (light winds from the NNW on Sat morning, severe gales from the WSW by Sun 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 |  | ||||
 | |||||
ASCATB148E63S | |||||
ASCATC150E63S | |||||
ASCATC147E63S | |||||
ASCATC148E63S | |||||
ASCATC146E63S | |||||
ASCATB147E63S | |||||
ASCATC149E63S | |||||
ASCATB146E63S |
* 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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