– Lat/Long: 78.10° S 159.17° E
Portal Mountain
Weather Forecast, AntarcticaIssued: 11 pm Sat 01 Aug Local TimeUpdates in: hr min sUpdate imminent
Issued: 11 pm Sat 01 Aug Local Time
Updates in:
Update imminent hr min s
Issued: 11 pm Sat 01 Aug 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 -30°C on Sat night, min -38°C on Tue morning). Winds decreasing (severe gales from the WSW on Sun night, light winds from the SW by Tue morning). | Days 5–7 Weather SummaryMostly dry. Extremely cold (max -17°C on Thu night, min -34°C on Tue night). Winds decreasing (severe gales from the SW on Wed morning, light winds from the WNW by Fri afternoon). | ||||||||||||||||||
Sunday 2 | Monday 3 | Tuesday 4 | Wednesday 5 | Thursday 6 | Friday 7 | ||||||||||||||
night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  | | | | | | |  | | | | | | |  |  | | | |
clear | clear | clear | clear | clear | clear | clear | clear | some clouds | clear | clear | clear | clear | clear | some clouds | some clouds | cloudy | cloudy | some clouds | |
Cloud base (m) | 2100 | 2100 | 4200 | 2150 | 2050 | 2100 | |||||||||||||
km/h | |||||||||||||||||||
 |  |  |  |  |  |  | |||||||||||||
 cm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
max °C | -30 | -31 | -32 | -33 | -34 | -33 | -34 | -37 | -35 | -32 | -31 | -27 | -25 | -23 | -20 | -17 | -18 | -24 | -30 |
min °C | -31 | -31 | -33 | -35 | -35 | -34 | -36 | -38 | -37 | -34 | -32 | -31 | -26 | -24 | -21 | -20 | -21 | -27 | -33 |
chill °C | -50 | -50 | -54 | -59 | -59 | -57 | -52 | -47 | -49 | -50 | -55 | -52 | -44 | -41 | -33 | -31 | -33 | -38 | -51 |
Freezing level m | 0 | 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 -30°C on Sat night, min -38°C on Tue morning). Winds decreasing (severe gales from the WSW on Sun night, light winds from the SW by Tue morning).
Portal Mountain Weather (Days 3-6):
Mostly dry. Extremely cold (max -17°C on Thu night, min -34°C on Tue night). Winds decreasing (severe gales from the SW on Wed morning, light winds from the WNW by Fri 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 |  | ||||
 | |||||
ASCATB162E63S | |||||
ASCATC164E63S | |||||
ASCATB163E63S | |||||
ASCATB164E63S | |||||
ASCATC165E63S | |||||
ASCATB165E63S | |||||
ASCATC166E63S | |||||
ASCATC167E63S |
* 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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