Harman US

Duarte, CA Weather & Growing Conditions

Today
97°F
Sunny
Sunny, with a high near 97. Southwest wind 0 to 5 mph.

7-day forecast

WhenTempForecastWindPrecip
Today 97°F Sunny 0 to 5 mph SW 0%
Tonight 66°F Mostly Clear 0 to 5 mph SW 0%
Wednesday 96°F Sunny 0 to 5 mph SW 0%
Wednesday Night 67°F Mostly Clear 0 to 5 mph W 0%
Thursday 96°F Sunny 0 to 5 mph WSW 0%
Thursday Night 67°F Mostly Clear 0 to 5 mph SW 0%
Friday 96°F Sunny 0 to 5 mph WSW 0%
Friday Night 67°F Mostly Clear 0 to 5 mph SW 0%
Saturday 97°F Sunny 0 to 5 mph SW 0%
Saturday Night 67°F Mostly Clear 0 to 5 mph SW 0%
Sunday 96°F Sunny 0 to 5 mph SW 0%
Sunday Night 66°F Mostly Clear 0 to 5 mph SSW 2%
Monday 92°F Sunny 0 to 10 mph SSW 2%
Monday Night 64°F Mostly Clear 0 to 10 mph SSW 1%

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

Growing snapshot for Duarte, CA

Last spring frost
Apr 28
First fall frost
Nov 15
Growing season
199 days
Hardiness zone
10a

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

Climate data from the nearest NOAA station, Mt Wilson Cbs, Ca (8.9 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.