– Lat/Long: 78.10° S 159.17° E
Portal Mountain
Weather Forecast, AntarcticaIssued: 5 pm Wed 19 Aug Local TimeUpdates in: hr min sUpdate imminent
Issued: 5 pm Wed 19 Aug Local Time
Updates in:
Update imminent hr min s
Issued: 5 pm Wed 19 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 -29°C on Wed night, min -36°C on Sat morning). Winds increasing (moderate winds from the WSW on Wed afternoon, stormy winds from the SW by Wed night). | Days 5–7 Weather SummaryMostly dry. Extremely cold (max -30°C on Sun night, min -40°C on Mon night). Winds decreasing (gales from the WSW on Sat night, light winds from the SW by Mon night). | ||||||||||||||||
Wed 19 | Thursday 20 | Friday 21 | Saturday 22 | Sunday 23 | Monday 24 | ||||||||||||
PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 | |  | | |  | | | | | | | |  |  | |  | |
clear | clear | some clouds | some clouds | clear | clear | clear | clear | clear | clear | clear | clear | clear | cloudy | cloudy | cloudy | some clouds | |
Cloud base (m) | 4450 | 2050 | 2100 | 2100 | 2100 | 2100 | |||||||||||
km/h | |||||||||||||||||
 |  |  |  |  |  | ||||||||||||
 cm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
max °C | -31 | -29 | -29 | -30 | -30 | -30 | -31 | -32 | -35 | -37 | -33 | -36 | -36 | -30 | -33 | -38 | -39 |
min °C | -32 | -31 | -29 | -30 | -30 | -30 | -31 | -34 | -36 | -37 | -36 | -36 | -36 | -35 | -35 | -39 | -40 |
chill °C | -48 | -54 | -51 | -53 | -52 | -51 | -50 | -50 | -53 | -54 | -59 | -59 | -52 | -47 | -47 | -54 | -50 |
Freezing level m | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
 | — | — | 12:00 | — | — | 12:26 | — | — | 12:04 | — | — | 11:48 | — | — | 11:33 | — | — |
 | 12:00 | — | 12:00 | — | — | 2:26 | — | — | 2:48 | — | — | — | 3:06 | — | — | 3:19 | — |
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Portal Mountain Weather (Days 0-3):
The weather forecast for Portal Mountain is: Mostly dry. Extremely cold (max -29°C on Wed night, min -36°C on Sat morning). Winds increasing (moderate winds from the WSW on Wed afternoon, stormy winds from the SW by Wed night).
Portal Mountain Weather (Days 3-6):
Mostly dry. Extremely cold (max -30°C on Sun night, min -40°C on Mon night). Winds decreasing (gales from the WSW on Sat night, light winds from the SW by Mon 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 |
|---|---|---|---|---|---|
Williams Field |  | ||||
hy2c163E64S | |||||
hy2c160E64S | |||||
hy2c162E64S | |||||
hy2c161E64S | |||||
hy2c165E64S | |||||
hy2c164E64S | |||||
hy2c166E64S | |||||
hy2c162E63S | |||||
hy2c161E63S |
* 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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