– Lat/Long: 78.10° S 159.17° E
Portal Mountain Weather Forecast
Worcester Range · AntarcticaIssued: 12 am Sat 17 Oct Local Time
Updates in:
Update imminent hr min s
Issued: 12 am Sat 17 Oct Local Time
Updates in:
Update imminent hr min s
3 Portal Mountain Elevations: 3 Forecast Elevations: Days 1–4 Weather SummaryA light covering of new snow mostly falling on Sun afternoon. Extremely cold (max -20°C on Mon afternoon, min -26°C on Fri night). Winds increasing (light winds from the SE on Fri night, strong winds from the S by Mon morning). | Days 5–7 Weather SummaryMostly dry. Extremely cold (max -20°C on Mon night, min -27°C on Tue night). Winds decreasing (fresh winds from the SW on Mon night, light winds from the SW by Thu morning). | |||||||||||||||
Saturday 17 | Sunday 18 | Monday 19 | Tuesday 20 | Wednesday 21 | ||||||||||||
night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 | | |  | |  |  | | | |  |  |  | | | | |
cloudy | cloudy | cloudy | cloudy | cloudy | light snow | light snow | light snow | light snow | cloudy | some clouds | clear | some clouds | cloudy | cloudy | some clouds | |
Cloud base (m) | 2100 | 2050 | 2050 | 2100 | 2050 | 2050 | 2100 | 2100 | 2100 | 2100 | 4450 | 4250 | 2100 | 2050 | 2100 | |
km/h | ||||||||||||||||
 |  |  |  |  |  | |||||||||||
 cm | — | — | — | — | — | 1 | 4 | 2 | 2 | — | — | — | — | — | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
max °C | -24 | -23 | -22 | -24 | -23 | -21 | -21 | -21 | -20 | -20 | -23 | -23 | -26 | -24 | -23 | -24 |
min °C | -26 | -24 | -23 | -25 | -24 | -22 | -21 | -21 | -21 | -22 | -23 | -24 | -27 | -25 | -23 | -25 |
chill °C | -32 | -33 | -31 | -36 | -36 | -36 | -35 | -36 | -35 | -36 | -35 | -37 | -37 | -34 | -33 | -33 |
Freezing level m | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
 | — | 12:00 | — | — | 4:13 | — | — | 3:58 | — | — | 3:42 | — | — | 3:21 | — | — |
 | — | 12:00 | — | — | 12:01 | — | — | 12:15 | — | — | 12:32 | — | — | 12:51 | — | — |
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Portal Mountain Weather (Days 0-3):
The weather forecast for Portal Mountain is: A light covering of new snow mostly falling on Sun afternoon. Extremely cold (max -20°C on Mon afternoon, min -26°C on Fri night). Winds increasing (light winds from the SE on Fri night, strong winds from the S by Mon morning).
Portal Mountain Weather (Days 3-6):
Mostly dry. Extremely cold (max -20°C on Mon night, min -27°C on Tue night). Winds decreasing (fresh winds from the SW on Mon night, light winds from the SW by Thu 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 |  | ||||
DomeA | |||||
ASCATB136E64S | |||||
ASCATB135E64S | |||||
ASCATC134E64S | |||||
ASCATB136E63S | |||||
ASCATC135E64S | |||||
ASCATB134E64S | |||||
ASCATB133E64S | |||||
ASCATC133E64S |
* 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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