Harman US

Irvine, CA Weather & Growing Conditions

Today
75°F
Sunny
Sunny, with a high near 75. Southwest wind 0 to 5 mph.

7-day forecast

WhenTempForecastWindPrecip
Today 75°F Sunny 0 to 5 mph SW 0%
Tonight 58°F Partly Cloudy 0 to 5 mph E 0%
Thursday 80°F Mostly Sunny 0 to 5 mph S 0%
Thursday Night 60°F Partly Cloudy 0 to 5 mph N 0%
Friday 84°F Sunny 5 to 10 mph N 0%
Friday Night 62°F Mostly Clear 5 to 10 mph NE 0%
Saturday 87°F Sunny 0 to 5 mph NE 0%
Saturday Night 63°F Mostly Clear 5 to 10 mph N 0%
Sunday 87°F Sunny 0 to 5 mph N 0%
Sunday Night 64°F Partly Cloudy 0 to 5 mph NE 0%
Monday 85°F Mostly Sunny 0 to 5 mph NE 0%
Monday Night 63°F Partly Cloudy 0 to 5 mph S 0%
Tuesday 82°F Sunny 0 to 5 mph SW 0%
Tuesday Night 62°F Mostly Clear 0 mph 1%

Forecast source: National Weather Service (api.weather.gov). Updated through the day.

Growing snapshot for Irvine, CA

Last spring frost
Jan 5
First fall frost
Dec 25
Growing season
365 days
Hardiness zone
10b

Explore more for Irvine, CA: full frost dates · planting calendar · California frost dates

Climate data from the nearest NOAA station, Tustin Irvine Rch, Ca (2.7 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.