Newport Beach, CA Weather & Growing Conditions
Today
76°F
Mostly Sunny
Mostly sunny, with a high near 76. South wind 5 to 10 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 76°F | Mostly Sunny | 5 to 10 mph S | 2% |
| Tonight | 68°F | Mostly Cloudy | 0 to 5 mph S | 2% |
| Sunday | 75°F | Mostly Cloudy | 5 to 10 mph SE | 1% |
| Sunday Night | 67°F | Mostly Cloudy | 5 mph S | 1% |
| Monday | 74°F | Partly Sunny | 5 to 10 mph S | 0% |
| Monday Night | 67°F | Mostly Cloudy | 5 mph SW | 3% |
| Tuesday | 74°F | Mostly Sunny | 5 to 10 mph SW | 3% |
| Tuesday Night | 67°F | Mostly Clear | 0 to 10 mph W | 0% |
| Wednesday | 75°F | Mostly Sunny | 0 to 10 mph SW | 0% |
| Wednesday Night | 68°F | Partly Cloudy | 0 to 10 mph SW | 0% |
| Thursday | 77°F | Mostly Sunny | 0 to 10 mph W | 3% |
| Thursday Night | 68°F | Partly Cloudy | 5 to 10 mph W | 4% |
| Friday | 78°F | Mostly Sunny | 5 to 10 mph SW | 3% |
| Friday Night | 69°F | Partly Cloudy | 5 to 10 mph W | 1% |
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 (1.1 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.