Harman US

Covina, CA Weather & Growing Conditions

Overnight
67°F
Partly Cloudy
Partly cloudy, with a low around 67. Southwest wind around 0 mph.

7-day forecast

WhenTempForecastWindPrecip
Overnight 67°F Partly Cloudy 0 mph 0%
Tuesday 94°F Sunny 0 to 10 mph SW 0%
Tuesday Night 66°F Mostly Clear 0 to 10 mph SW 0%
Wednesday 92°F Sunny 0 to 5 mph SW 0%
Wednesday Night 67°F Mostly Clear 0 to 5 mph WSW 0%
Thursday 92°F Sunny 0 to 5 mph WSW 0%
Thursday Night 67°F Mostly Clear 0 to 5 mph WNW 0%
Friday 95°F Sunny 0 to 5 mph WSW 0%
Friday Night 68°F Mostly Clear 0 to 5 mph SW 0%
Saturday 96°F Sunny 0 to 5 mph WSW 0%
Saturday Night 68°F Mostly Clear 0 to 5 mph WSW 0%
Sunday 95°F Sunny 0 to 10 mph WSW 0%
Sunday Night 67°F Mostly Clear 0 to 10 mph SW 1%
Monday 91°F Sunny 0 to 10 mph SSW 1%

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

Growing snapshot for Covina, CA

Last spring frost
Jan 8
First fall frost
Dec 28
Growing season
354 days
Hardiness zone
10a

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

Climate data from the nearest NOAA station, Pomona/Fairplex, Ca (8.1 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.