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Newport Beach, CA Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Newport Beach, a city in Orange County, California.

Tonight
68°F
Partly Cloudy
Partly cloudy, with a low around 68. Southwest wind 0 to 10 mph.

7-day forecast for Newport Beach

WhenTempForecastWindPrecip
Tonight 68°F Partly Cloudy 0 to 10 mph SW 2%
Saturday 72°F Mostly Sunny 5 to 10 mph S 1%
Saturday Night 68°F Mostly Cloudy 0 to 5 mph S 1%
Sunday 71°F Partly Sunny 0 to 10 mph S 0%
Sunday Night 68°F Mostly Cloudy 5 mph S 1%
Monday 72°F Mostly Sunny 5 to 10 mph S 0%
Monday Night 67°F Partly Cloudy 5 to 10 mph SW 2%
Tuesday 73°F Mostly Sunny 5 to 15 mph SW 0%
Tuesday Night 67°F Mostly Clear 0 to 15 mph W 0%
Wednesday 76°F Sunny 0 to 10 mph W 0%
Wednesday Night 69°F Partly Cloudy 5 to 10 mph SW 2%
Thursday 77°F Mostly Sunny 5 to 10 mph SW 2%
Thursday Night 70°F Partly Cloudy 5 to 10 mph W 0%
Friday 78°F Mostly Sunny 5 to 10 mph W 2%

Forecast source: National Weather Service (api.weather.gov) for Newport Beach (33.597, -117.890). Updated through the day.

Growing snapshot for Newport Beach

Growing season
365 days
Hardiness zone
10b

More local growing data for Newport Beach: nearby ZIP 92662 weather · frost dates · planting calendar · California frost dates

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Climate data from the nearest NOAA station, Newport Beach Harbor, Ca (0.5 mi from Newport Beach). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.