– Lat/Long: 78.10° S 159.17° E
Portal Mountain
Weather Forecast, AntarcticaIssued: 11 am Thu 23 Jul Local TimeUpdates in: hr min sUpdate imminent
Issued: 11 am Thu 23 Jul Local Time
Updates in:
Update imminent hr min s
Issued: 11 am Thu 23 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 -29°C on Sat night, min -38°C on Fri night). Winds decreasing (gales from the WSW on Thu night, light winds from the SW by Fri night). | Days 4–6 Weather SummaryMostly dry. Extremely cold (max -28°C on Sun morning, min -34°C on Tue night). Winds decreasing (strong winds from the W on Mon afternoon, light winds from the WSW by Tue afternoon). | |||||||||||||||||
Thursday 23 | Friday 24 | Saturday 25 | Sunday 26 | Monday 27 | Tuesday 28 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  | | | | | | | | | |  | | | | | | |
clear | clear | some clouds | clear | clear | clear | clear | clear | clear | clear | clear | clear | some clouds | some clouds | clear | some clouds | some clouds | clear | |
Cloud base (m) | 3650 | 2100 | 7500 | 5100 | 4600 | |||||||||||||
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
 cm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
max °C | -30 | -33 | -32 | -33 | -35 | -36 | -34 | -32 | -29 | -28 | -28 | -28 | -29 | -30 | -31 | -31 | -31 | -33 |
min °C | -31 | -34 | -34 | -34 | -35 | -38 | -36 | -33 | -31 | -29 | -29 | -29 | -29 | -31 | -31 | -31 | -32 | -34 |
chill °C | -50 | -56 | -53 | -52 | -52 | -52 | -51 | -51 | -49 | -45 | -42 | -41 | -45 | -49 | -49 | -44 | -44 | -48 |
Freezing level m | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
 | 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 -29°C on Sat night, min -38°C on Fri night). Winds decreasing (gales from the WSW on Thu night, light winds from the SW by Fri night).
Portal Mountain Weather (Days 3-6):
Mostly dry. Extremely cold (max -28°C on Sun morning, min -34°C on Tue night). Winds decreasing (strong winds from the W on Mon afternoon, light winds from the WSW by Tue afternoon).
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 |  | ||||
ASCATC135E63S | |||||
ASCATC136E63S | |||||
ASCATC134E63S | |||||
ASCATC133E63S | |||||
ASCATC137E63S | |||||
ASCATC132E63S | |||||
ASCATC137E62S | |||||
ASCATC138E62S | |||||
ASCATC136E62S |
* 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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