Newport Beach, CA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Newport Beach, a city in Orange County, California.
Overnight
68°F
Mostly Cloudy
Mostly cloudy, with a low around 68. South wind around 0 mph.
7-day forecast for Newport Beach
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 68°F | Mostly Cloudy | 0 mph | 2% |
| Saturday | 72°F | Mostly Sunny | 0 to 10 mph S | 2% |
| Saturday Night | 69°F | Mostly Cloudy | 0 to 5 mph SW | 2% |
| Sunday | 72°F | Mostly Cloudy | 5 to 10 mph S | 1% |
| Sunday Night | 68°F | Mostly Cloudy | 5 mph S | 1% |
| Monday | 71°F | Partly Sunny | 5 to 10 mph S | 0% |
| Monday Night | 68°F | Mostly Cloudy | 5 to 10 mph SW | 3% |
| Tuesday | 72°F | Mostly Sunny | 5 to 15 mph SW | 3% |
| Tuesday Night | 67°F | Mostly Clear | 0 to 15 mph W | 0% |
| Wednesday | 75°F | Mostly Sunny | 0 to 10 mph W | 0% |
| Wednesday Night | 68°F | Partly Cloudy | 5 to 10 mph SW | 0% |
| Thursday | 76°F | Mostly Sunny | 5 to 10 mph W | 3% |
| Thursday Night | 68°F | Partly Cloudy | 5 to 10 mph W | 4% |
| Friday | 77°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.