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South San Jose Hills, CA Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for South San Jose Hills, a community in Los Angeles County, California.

This Afternoon
84°F
Sunny
Sunny, with a high near 84. Southwest wind 5 to 10 mph.

7-day forecast for South San Jose Hills

WhenTempForecastWindPrecip
This Afternoon 84°F Sunny 5 to 10 mph SW 0%
Tonight 61°F Mostly Clear 5 mph S 0%
Saturday 87°F Sunny 5 to 10 mph SSW 0%
Saturday Night 63°F Patchy Fog 0 to 5 mph SSW 0%
Sunday 85°F Patchy Fog then Partly Sunny 5 to 10 mph SSW 0%
Sunday Night 62°F Mostly Cloudy 5 mph S 1%
Monday 83°F Mostly Sunny 5 to 10 mph S 2%
Monday Night 62°F Mostly Clear 0 to 10 mph SSW 2%
Tuesday 83°F Sunny 0 to 10 mph SSW 0%
Tuesday Night 64°F Mostly Clear 0 to 10 mph WNW 0%
Wednesday 90°F Sunny 0 to 10 mph WNW 1%
Wednesday Night 66°F Mostly Clear 0 to 10 mph SSW 3%
Thursday 91°F Sunny 0 to 10 mph SSW 2%
Thursday Night 67°F Mostly Clear 0 to 10 mph SW 1%

Forecast source: National Weather Service (api.weather.gov) for South San Jose Hills (34.012, -117.904). Updated through the day.

Growing snapshot for South San Jose Hills

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

More local growing data for South San Jose Hills: nearby ZIP 91792 weather · frost dates · planting calendar · California frost dates

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Climate data from the nearest NOAA station, Pomona/Fairplex, Ca (8.8 mi from South San Jose Hills). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 18, 2026.