– Lat/Long: 78.10° S 159.17° E
Portal Mountain
Weather Forecast, AntarcticaIssued: 5 pm Mon 29 Jun Local TimeUpdates in: hr min sUpdate imminent
Issued: 5 pm Mon 29 Jun Local Time
Updates in:
Update imminent hr min s
Issued: 5 pm Mon 29 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 -31°C on Wed afternoon). Winds increasing (light winds from the SSW on Tue afternoon, near gales from the WSW by Thu morning). | Days 5–7 Weather SummaryMostly dry. Extremely cold (max -26°C on Thu night, min -33°C on Thu afternoon). Winds decreasing (fresh winds from the S on Thu night, calm by Sun morning). | ||||||||||||||||
Mon 29 | Tuesday 30 | Wednesday 1 | Thursday 2 | Friday 3 | Saturday 4 | ||||||||||||
PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 | |  |  | | | |  |  | |  | | | | | | | |
cloudy | cloudy | cloudy | some clouds | cloudy | cloudy | cloudy | clear | clear | clear | some clouds | cloudy | some clouds | some clouds | clear | clear | some clouds | |
km/h | |||||||||||||||||
 |  |  |  |  |  | ||||||||||||
 cm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
max °C | -29 | -28 | -29 | -29 | -27 | -28 | -31 | -30 | -31 | -32 | -26 | -26 | -27 | -27 | -29 | -30 | -32 |
min °C | -29 | -30 | -29 | -29 | -29 | -30 | -31 | -31 | -31 | -33 | -29 | -27 | -27 | -28 | -29 | -31 | -33 |
chill °C | -44 | -43 | -43 | -42 | -40 | -42 | -44 | -44 | -52 | -50 | -41 | -40 | -38 | -37 | -42 | -45 | -47 |
Freezing level m | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Cloud base (m) | 2050 | 2100 | 2100 | 2100 | 2100 | 2100 | 2100 | 2300 | 2100 | 2150 | 2100 | 2100 | 4000 | 3400 | |||
 | — | — | 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 -31°C on Wed afternoon). Winds increasing (light winds from the SSW on Tue afternoon, near gales from the WSW by Thu morning).
Portal Mountain Weather (Days 3-6):
Mostly dry. Extremely cold (max -26°C on Thu night, min -33°C on Thu afternoon). Winds decreasing (fresh winds from the S on Thu night, calm by Sun 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 |  | ||||
ASCATC89E62S | |||||
ASCATC88E62S | |||||
ASCATC89E61S | |||||
ASCATC87E61S | |||||
ASCATC88E61S | |||||
ASCATB263E69S | |||||
ASCATC264E69S | |||||
ASCATB264E69S | |||||
ASCATB87E61S |
* 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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