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Duarte, CA Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Duarte, a city in Los Angeles County, California.

Tonight
60°F
Mostly Clear
Mostly clear, with a low around 60. North northwest wind 0 to 5 mph.

7-day forecast for Duarte

WhenTempForecastWindPrecip
Tonight 60°F Mostly Clear 0 to 5 mph NNW 0%
Saturday 83°F Sunny 0 to 5 mph SSW 0%
Saturday Night 63°F Patchy Fog 0 to 5 mph SE 0%
Sunday 81°F Patchy Fog then Partly Sunny 0 to 10 mph S 0%
Sunday Night 60°F Partly Cloudy 0 to 5 mph S 1%
Monday 78°F Sunny 0 to 10 mph SSW 1%
Monday Night 61°F Mostly Clear 0 to 10 mph SSW 1%
Tuesday 83°F Sunny 0 to 5 mph SSW 0%
Tuesday Night 65°F Mostly Clear 0 to 5 mph NNW 0%
Wednesday 90°F Sunny 0 to 10 mph SW 1%
Wednesday Night 68°F Mostly Clear 0 to 10 mph SSE 3%
Thursday 91°F Sunny 0 to 5 mph SW 2%
Thursday Night 70°F Mostly Clear 0 to 5 mph NNW 0%
Friday 90°F Sunny 0 to 5 mph SSW 3%

Forecast source: National Weather Service (api.weather.gov) for Duarte (34.161, -117.950). Updated through the day.

Growing snapshot for Duarte

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

More local growing data for Duarte: nearby ZIP 91008 weather · frost dates · planting calendar · California frost dates

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Climate data from the nearest NOAA station, Mt Wilson Cbs, Ca (7.9 mi from Duarte). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.