– Lat/Long: 78.10° S 159.17° E
Portal Mountain
Weather Forecast, AntarcticaIssued: 11 pm Sun 23 Aug Local TimeUpdates in: hr min sUpdate imminent
Issued: 11 pm Sun 23 Aug Local Time
Updates in:
Update imminent hr min s
Issued: 11 pm Sun 23 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 -36°C on Sun night, min -38°C on Mon morning). Winds increasing (light winds from the SSW on Sun night, strong winds from the WSW by Tue night). | Days 5–7 Weather SummaryA light covering of new snow mostly falling on Fri morning. Extremely cold (max -25°C on Thu night, min -39°C on Wed night). Winds increasing (light winds from the NE on Wed night, strong winds from the SSE by Fri morning). | |||||||||||||||
Monday 24 | Tuesday 25 | Wednesday 26 | Thursday 27 | Friday 28 | ||||||||||||
night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  |  | | | | | | |  | |  |  | | | |
cloudy | some clouds | clear | clear | clear | clear | clear | clear | clear | clear | cloudy | cloudy | light snow | light snow | light snow | cloudy | |
Cloud base (m) | 2100 | 2100 | 2150 | 2100 | 2050 | 2050 | 2050 | 2100 | 2050 | |||||||
km/h | ||||||||||||||||
 |  |  |  |  |  | |||||||||||
 cm | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 4 | 2 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
max °C | -36 | -38 | -38 | -37 | -36 | -36 | -37 | -38 | -37 | -37 | -36 | -32 | -25 | -25 | -28 | -32 |
min °C | -37 | -38 | -38 | -38 | -36 | -37 | -37 | -38 | -38 | -39 | -38 | -34 | -31 | -25 | -35 | -35 |
chill °C | -48 | -49 | -53 | -54 | -53 | -57 | -58 | -56 | -52 | -54 | -54 | -49 | -44 | -41 | -51 | -53 |
Freezing level m | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
 | — | 11:33 | — | — | 11:18 | — | — | 11:07 | — | — | 10:55 | — | — | 10:44 | — | — |
 | — | — | 3:19 | — | — | 3:33 | — | — | 3:45 | — | — | 3:56 | — | — | 4:07 | — |
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Portal Mountain Weather (Days 0-3):
The weather forecast for Portal Mountain is: Mostly dry. Extremely cold (max -36°C on Sun night, min -38°C on Mon morning). Winds increasing (light winds from the SSW on Sun night, strong winds from the WSW by Tue night).
Portal Mountain Weather (Days 3-6):
A light covering of new snow mostly falling on Fri morning. Extremely cold (max -25°C on Thu night, min -39°C on Wed night). Winds increasing (light winds from the NE on Wed night, strong winds from the SSE by Fri morning).
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 |  | ||||
ASCATC160E64S | |||||
DomeA | |||||
ASCATC155E64S | |||||
hy2c155E64S | |||||
ASCATB155E64S | |||||
hy2c154E64S | |||||
ASCATC154E64S | |||||
ASCATB154E64S | |||||
ASCATC153E64S |
* 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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