– Lat/Long: 78.10° S 159.17° E
Portal Mountain
Weather Forecast, AntarcticaIssued: 6 am Fri 20 Feb Local TimeUpdates in: hr min sUpdate imminent
Issued: 6 am Fri 20 Feb Local Time
Updates in:
Update imminent hr min s
Issued: 6 am Fri 20 Feb Local Time
Updates in:
Update imminent hr min s
3 Portal Mountain Elevations: 3 Forecast Elevations: Days 1–3 Weather SummaryMostly dry. Temperatures will be below freezing (max -2°C on Sun afternoon, min -14°C on Fri morning). Winds decreasing (strong winds from the W on Fri afternoon, light winds from the WNW by Sun night). | Days 4–6 Weather SummaryA dusting of new snow. Temperatures will be below freezing (max -3°C on Tue afternoon, min -20°C on Wed night). Wind will be generally light. | |||||||||||||||||
Friday 20 | Saturday 21 | Sunday 22 | Monday 23 | Tuesday 24 | Wednesday 25 | |||||||||||||
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 | some clouds | clear | some clouds | some clouds | some clouds | some clouds | cloudy | snow shwrs | clear | clear | some clouds | |
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
— | — | — | — | — | — | — | — | — | — | — | — | — | — | 3 | — | — | — | |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
max °C | -13 | -13 | -13 | -7 | -5 | -5 | -4 | -2 | -5 | -6 | -4 | -8 | -5 | -3 | -4 | -11 | -13 | -18 |
min °C | -14 | -13 | -14 | -9 | -6 | -6 | -5 | -3 | -10 | -7 | -5 | -9 | -6 | -3 | -10 | -12 | -15 | -20 |
-25 | -24 | -26 | -18 | -14 | -14 | -12 | -9 | -17 | -14 | -11 | -15 | -11 | -3 | -14 | -12 | -19 | -27 | |
0 | 0 | 0 | 0 | 100 | 150 | 200 | 750 | 0 | 0 | 200 | 0 | 0 | 600 | 50 | 0 | 0 | 0 | |
Cloud base (m) | 8000 | 8850 | 5600 | 8850 | 4700 | 7850 | 7950 | 5600 | 3750 | 2150 | 2150 | 2050 | 2100 | 2100 | 2100 | |||
 | 12:00 | — | — | 3:26 | — | — | 3:53 | — | — | 4:11 | — | — | 4:28 | — | — | 4:43 | — | — |
 | 12:00 | — | — | 1:49 | — | — | 1:22 | — | — | 1:02 | — | — | 12:46 | — | — | 12:31 | — | — |
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Portal Mountain Weather (Days 0-3):
The weather forecast for Portal Mountain is: Mostly dry. Temperatures will be below freezing (max -2°C on Sun afternoon, min -14°C on Fri morning). Winds decreasing (strong winds from the W on Fri afternoon, light winds from the WNW by Sun night).
Portal Mountain Weather (Days 3-6):
A dusting of new snow. Temperatures will be below freezing (max -3°C on Tue afternoon, min -20°C on Wed night). Wind will be generally light.
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 |
|---|---|---|---|---|---|
Phoenix Field- McMurdo Station |  | ||||
Cape Ross | |||||
Williams Field |  | ||||
ASCATC165E77S | |||||
ASCATC166E77S | |||||
ASCATC167E77S | |||||
ASCATC168E77S | |||||
ASCATC169E77S | |||||
ASCATC170E77S | |||||
ASCATC169E76S |
* 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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