– Lat/Long: 78.10° S 159.17° E
Portal Mountain
Weather Forecast, AntarcticaIssued: 12 am Fri 13 Mar Local TimeUpdates in: hr min sUpdate imminent
Issued: 12 am Fri 13 Mar Local Time
Updates in:
Update imminent hr min s
Issued: 12 am Fri 13 Mar 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 -25°C on Sat morning, min -31°C on Thu night). Winds increasing (calm on Thu night, strong winds from the N by Sat afternoon). | Days 5–7 Weather SummaryMostly dry. Extremely cold (max -29°C on Sun night, min -34°C on Mon night). Winds increasing (light winds from the WNW on Sun night, gales from the WSW by Tue night). | ||||||||||||||||||
Friday 13 | Saturday 14 | Sunday 15 | Monday 16 | Tuesday 17 | Wednesday 18 | ||||||||||||||
night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  |  |  | |  | | | | | | | | | | | | | |
some clouds | clear | some clouds | cloudy | cloudy | clear | clear | clear | clear | some clouds | clear | clear | clear | clear | clear | clear | clear | clear | clear | |
km/h | |||||||||||||||||||
 |  |  |  |  |  |  | |||||||||||||
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
max °C | -30 | -28 | -28 | -26 | -25 | -26 | -31 | -29 | -28 | -29 | -32 | -33 | -34 | -32 | -31 | -30 | -29 | -29 | -31 |
min °C | -31 | -29 | -28 | -28 | -25 | -30 | -31 | -30 | -28 | -32 | -32 | -33 | -34 | -33 | -31 | -31 | -29 | -30 | -32 |
-31 | -38 | -38 | -39 | -37 | -46 | -47 | -46 | -42 | -47 | -48 | -51 | -54 | -55 | -52 | -52 | -49 | -49 | -50 | |
0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |
Cloud base (m) | 2100 | 2200 | 2150 | 2200 | 2100 | 2100 | 4900 | 2150 | 3050 | 2150 | |||||||||
 | — | 7:16 | — | — | 7:22 | — | — | 7:31 | — | — | 7:37 | — | — | 7:46 | — | — | 7:52 | — | — |
 | — | — | 9:45 | — | — | 9:36 | — | — | 9:28 | — | — | 9:20 | — | — | 9:13 | — | — | 9:05 | — |
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Portal Mountain Weather (Days 0-3):
The weather forecast for Portal Mountain is: Mostly dry. Extremely cold (max -25°C on Sat morning, min -31°C on Thu night). Winds increasing (calm on Thu night, strong winds from the N by Sat afternoon).
Portal Mountain Weather (Days 3-6):
Mostly dry. Extremely cold (max -29°C on Sun night, min -34°C on Mon night). Winds increasing (light winds from the WNW on Sun night, gales from the WSW by Tue 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 |
|---|---|---|---|---|---|
Cape Ross | |||||
Williams Field |  | ||||
ASCATC169E77S | |||||
ASCATB168E77S | |||||
ASCATB169E77S | |||||
ASCATB170E77S | |||||
ASCATC170E77S | |||||
ASCATC169E76S | |||||
ASCATB171E77S | |||||
ASCATC171E77S |
* 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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