– Lat/Long: 78.10° S 159.17° E
Portal Mountain
Weather Forecast, AntarcticaIssued: 5 am Wed 22 Apr Local TimeUpdates in: hr min sUpdate imminent
Issued: 5 am Wed 22 Apr Local Time
Updates in:
Update imminent hr min s
Issued: 5 am Wed 22 Apr 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 Wed morning, min -38°C on Thu night). Winds decreasing (fresh winds from the W on Wed morning, light winds from the WNW by Fri afternoon). | Days 4–6 Weather SummaryMostly dry. Extremely cold (max -30°C on Sat morning, min -40°C on Sun morning). Winds increasing (light winds from the W on Sat afternoon, fresh winds from the W by Mon night). | |||||||||||||||||
Wednesday 22 | Thursday 23 | Friday 24 | Saturday 25 | Sunday 26 | Monday 27 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  | | | | |  |  |  | | |  | | | | | | | |
clear | clear | clear | clear | clear | clear | some clouds | cloudy | cloudy | cloudy | cloudy | some clouds | clear | clear | clear | clear | clear | clear | |
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
max °C | -29 | -29 | -31 | -34 | -35 | -36 | -35 | -31 | -30 | -30 | -30 | -31 | -40 | -40 | -37 | -37 | -37 | -37 |
min °C | -29 | -30 | -33 | -34 | -36 | -38 | -36 | -32 | -30 | -30 | -30 | -39 | -40 | -40 | -39 | -38 | -37 | -38 |
-45 | -46 | -48 | -50 | -51 | -52 | -48 | -40 | -36 | -38 | -37 | -53 | -55 | -56 | -57 | -57 | -56 | -57 | |
0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |
Cloud base (m) | 2150 | 2150 | 2150 | 2100 | 2100 | 2100 | 2100 | 2100 | 2150 | 2150 | 2150 | |||||||
 | 11:56 | — | — | 12:18 | — | — | 12:51 | — | — | 12:00 | — | — | 12:00 | — | — | 12:00 | — | — |
 | 2:44 | — | — | 2:22 | — | — | 1:48 | — | — | 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 Wed morning, min -38°C on Thu night). Winds decreasing (fresh winds from the W on Wed morning, light winds from the WNW by Fri afternoon).
Portal Mountain Weather (Days 3-6):
Mostly dry. Extremely cold (max -30°C on Sat morning, min -40°C on Sun morning). Winds increasing (light winds from the W on Sat afternoon, fresh winds from the W by Mon 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 |  | ||||
ASCATC177E68S | |||||
ASCATC175E68S | |||||
ASCATC176E68S | |||||
ASCATC178E68S | |||||
ASCATC179E68S | |||||
ASCATC176E67S | |||||
ASCATC175E67S | |||||
ASCATC180E68S | |||||
ASCATC177E67S |
* 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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