– Lat/Long: 78.10° S 159.17° E
Portal Mountain
Weather Forecast, AntarcticaIssued: 12 am Fri 13 Feb Local TimeUpdates in: hr min sUpdate imminent
Issued: 12 am Fri 13 Feb Local Time
Updates in:
Update imminent hr min s
Issued: 12 am Fri 13 Feb Local Time
Updates in:
Update imminent hr min s
3 Portal Mountain Elevations: 3 Forecast Elevations: Days 1–4 Weather SummaryA moderate fall of snow, heaviest on Fri morning. Extremely cold (max -17°C on Sat afternoon, min -22°C on Fri night). Winds increasing (calm on Fri night, strong winds from the WSW by Sun afternoon). | Days 5–7 Weather SummaryMostly dry. Extremely cold (max -22°C on Sun night, min -27°C on Mon night). Winds decreasing (strong winds from the WSW on Sun night, light winds from the SW by Tue morning). | ||||||||||||||||||
Friday 13 | Saturday 14 | Sunday 15 | Monday 16 | Tuesday 17 | Wednesday 18 | ||||||||||||||
night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 | | |  |  |  |  |  | |  | | | | | | | | | | |
light snow | light snow | light snow | light snow | some clouds | cloudy | some clouds | clear | clear | clear | clear | some clouds | some clouds | some clouds | some clouds | some clouds | some clouds | clear | some clouds | |
km/h | |||||||||||||||||||
 |  |  |  |  |  |  | |||||||||||||
2 | 4 | 3 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
max °C | -18 | -19 | -21 | -21 | -19 | -17 | -18 | -20 | -20 | -22 | -23 | -24 | -25 | -25 | -24 | -24 | -23 | -22 | -21 |
min °C | -19 | -20 | -21 | -22 | -21 | -18 | -20 | -20 | -21 | -23 | -24 | -24 | -27 | -26 | -25 | -24 | -23 | -22 | -23 |
-27 | -29 | -32 | -29 | -21 | -24 | -28 | -30 | -36 | -39 | -40 | -39 | -37 | -35 | -34 | -33 | -32 | -31 | -33 | |
0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |
Cloud base (m) | 2200 | 2050 | 2050 | 2100 | 2100 | 2050 | 2050 | 2150 | 3450 | 4000 | 5300 | 5200 | 2200 | 2200 | |||||
 | — | 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: A moderate fall of snow, heaviest on Fri morning. Extremely cold (max -17°C on Sat afternoon, min -22°C on Fri night). Winds increasing (calm on Fri night, strong winds from the WSW by Sun afternoon).
Portal Mountain Weather (Days 3-6):
Mostly dry. Extremely cold (max -22°C on Sun night, min -27°C on Mon night). Winds decreasing (strong winds from the WSW on Sun night, light winds from the SW by Tue 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 |
|---|---|---|---|---|---|
Phoenix Field- McMurdo Station |  | ||||
Mcmurdo | |||||
Cape Ross | |||||
Williams Field | | ||||
Mcmurdo Williams | | ||||
ASCATC170E77S | |||||
ASCATB170E77S | |||||
ASCATC171E77S | |||||
ASCATB171E77S | |||||
ASCATB172E77S |
* 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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