Newport Beach, CA Weather & Growing Conditions
Tonight
68°F
Partly Cloudy
Partly cloudy, with a low around 68. Southwest wind 0 to 5 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 68°F | Partly Cloudy | 0 to 5 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). Updated through the day.
Growing snapshot for Newport Beach, CA
Growing season
365 days
Hardiness zone
10b
Explore more for Newport Beach, CA: full frost dates · planting calendar · California frost dates
Climate data from the nearest NOAA station, Newport Beach Harbor, Ca (0.5 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.