– Lat/Long: 78.10° S 159.17° E
Portal Mountain
Weather Forecast, AntarcticaIssued: 11 pm Sun 28 Jun Local TimeUpdates in: hr min sUpdate imminent
Issued: 11 pm Sun 28 Jun Local Time
Updates in:
Update imminent hr min s
Issued: 11 pm Sun 28 Jun 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 -27°C on Tue night, min -34°C on Sun night). Winds decreasing (fresh winds from the S on Mon afternoon, light winds from the S by Tue night). | Days 5–7 Weather SummaryMostly dry. Extremely cold (max -28°C on Sat morning, min -35°C on Thu night). Winds decreasing (fresh winds from the WSW on Thu morning, light winds from the SW by Fri night). | ||||||||||||||||||
Monday 29 | Tuesday 30 | Wednesday 1 | Thursday 2 | Friday 3 | Saturday 4 | ||||||||||||||
night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  | | | |  | | |  |  | | | | | | | | | | |
cloudy | cloudy | cloudy | cloudy | cloudy | some clouds | cloudy | some clouds | clear | clear | clear | clear | clear | some clouds | some clouds | cloudy | some clouds | some clouds | clear | |
km/h | |||||||||||||||||||
 |  |  |  |  |  |  | |||||||||||||
 cm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
max °C | -32 | -29 | -29 | -29 | -30 | -29 | -27 | -29 | -30 | -30 | -31 | -34 | -33 | -33 | -29 | -29 | -28 | -29 | -30 |
min °C | -34 | -31 | -29 | -30 | -31 | -30 | -29 | -30 | -30 | -30 | -32 | -34 | -35 | -33 | -31 | -30 | -29 | -30 | -30 |
chill °C | -50 | -46 | -44 | -45 | -43 | -41 | -39 | -41 | -41 | -42 | -50 | -51 | -49 | -44 | -43 | -42 | -37 | -41 | -42 |
Freezing level m | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Cloud base (m) | 2050 | 2050 | 2050 | 2100 | 2150 | 2100 | 2100 | 2100 | 2150 | 2100 | 2100 | 2100 | 2100 | 2150 | 4000 | 2150 | |||
 | — | 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 -27°C on Tue night, min -34°C on Sun night). Winds decreasing (fresh winds from the S on Mon afternoon, light winds from the S by Tue night).
Portal Mountain Weather (Days 3-6):
Mostly dry. Extremely cold (max -28°C on Sat morning, min -35°C on Thu night). Winds decreasing (fresh winds from the WSW on Thu morning, light winds from the SW by Fri 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 |  | ||||
ASCATC145E64S | |||||
ASCATB144E64S | |||||
ASCATC144E64S | |||||
ASCATB143E64S | |||||
ASCATC143E64S | |||||
ASCATB144E63S | |||||
ASCATC145E63S | |||||
ASCATB143E63S | |||||
ASCATC136E64S |
* 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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