Harman US

Irvine, CA Weather & Growing Conditions

Today
75°F
Patchy Drizzle then Sunny
Patchy drizzle before 10am. Sunny, with a high near 75. South wind 0 to 5 mph.

7-day forecast

WhenTempForecastWindPrecip
Today 75°F Patchy Drizzle then Sunny 0 to 5 mph S 6%
Tonight 56°F Partly Cloudy 0 to 5 mph SE 0%
Thursday 79°F Mostly Sunny 0 to 5 mph NW 0%
Thursday Night 59°F Partly Cloudy 0 to 5 mph NW 0%
Friday 84°F Sunny 0 to 10 mph N 0%
Friday Night 61°F Clear 10 to 15 mph N 0%
Saturday 86°F Sunny 5 to 10 mph N 0%
Saturday Night 62°F Mostly Clear 5 to 10 mph N 0%
Sunday 85°F Sunny 0 to 5 mph NW 0%
Sunday Night 64°F Mostly Clear 5 mph N 0%
Monday 83°F Sunny 0 to 5 mph E 0%
Monday Night 63°F Partly Cloudy 0 to 5 mph NE 1%
Tuesday 80°F Mostly Sunny 0 to 5 mph S 1%
Tuesday Night 61°F Mostly Clear 0 to 5 mph E 3%

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

Growing snapshot for Irvine, CA

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, Santa Ana John Wayne Ap, Ca (5.4 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.