– Lat/Long: 78.10° S 159.17° E
Portal Mountain
Weather Forecast, AntarcticaIssued: 5 am Thu 02 Jul Local TimeUpdates in: hr min sUpdate imminent
Issued: 5 am Thu 02 Jul Local Time
Updates in:
Update imminent hr min s
Issued: 5 am Thu 02 Jul Local Time
Updates in:
Update imminent hr min s
3 Portal Mountain Elevations: 3 Forecast Elevations: Days 1–3 Weather SummaryMostly dry. Extremely cold (max -27°C on Fri afternoon, min -32°C on Thu afternoon). Winds decreasing (strong winds from the WSW on Thu morning, calm by Fri night). | Days 4–6 Weather SummaryMostly dry. Extremely cold (max -29°C on Sun night, min -37°C on Tue night). Winds increasing (moderate winds from the S on Sun morning, gales from the SW by Mon night). | |||||||||||||||||
Thursday 2 | Friday 3 | Saturday 4 | Sunday 5 | Monday 6 | Tuesday 7 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  | |  | |  | | | | | |  | | | | | | | |
clear | clear | clear | cloudy | cloudy | cloudy | cloudy | cloudy | cloudy | cloudy | cloudy | some clouds | clear | clear | clear | clear | clear | clear | |
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
 cm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
max °C | -29 | -31 | -30 | -28 | -27 | -27 | -29 | -29 | -30 | -33 | -32 | -29 | -31 | -33 | -32 | -33 | -34 | -35 |
min °C | -31 | -32 | -32 | -29 | -28 | -29 | -29 | -30 | -32 | -33 | -32 | -31 | -32 | -33 | -33 | -34 | -36 | -37 |
chill °C | -49 | -45 | -40 | -42 | -38 | -35 | -36 | -38 | -46 | -49 | -49 | -47 | -51 | -53 | -56 | -56 | -59 | -60 |
Freezing level m | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Cloud base (m) | 2100 | 2100 | 2100 | 2100 | 2100 | 2100 | 2100 | 2100 | 2100 | 2100 | 2150 | |||||||
 | 12:00 | — | — | 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 Fri afternoon, min -32°C on Thu afternoon). Winds decreasing (strong winds from the WSW on Thu morning, calm by Fri night).
Portal Mountain Weather (Days 3-6):
Mostly dry. Extremely cold (max -29°C on Sun night, min -37°C on Tue night). Winds increasing (moderate winds from the S on Sun morning, gales 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 |  | ||||
ASCATC104E62S | |||||
ASCATC101E63S | |||||
ASCATB102E62S | |||||
ASCATC103E62S | |||||
ASCATC102E62S | |||||
ASCATB101E63S | |||||
ASCATC101E62S | |||||
ASCATC100E63S |
* 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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