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Manteca, CA Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Manteca, a city in San Joaquin County, California.

Overnight
68°F
Clear
Clear, with a low around 68. North wind around 3 mph.

7-day forecast for Manteca

WhenTempForecastWindPrecip
Overnight 68°F Clear 3 mph N 0%
Tuesday 101°F Sunny 3 to 8 mph NNW 0%
Tuesday Night 66°F Clear 3 to 8 mph NNW 0%
Wednesday 100°F Sunny 7 mph NNW 0%
Wednesday Night 66°F Clear 3 to 7 mph NNW 0%
Thursday 100°F Sunny 3 to 9 mph NW 0%
Thursday Night 68°F Clear 5 to 9 mph NW 0%
Friday 101°F Sunny 5 to 9 mph NW 0%
Friday Night 69°F Clear 5 to 9 mph NW 0%
Saturday 102°F Sunny 5 to 8 mph NW 0%
Saturday Night 70°F Clear 5 to 8 mph NW 0%
Sunday 99°F Sunny 5 to 10 mph NW 0%
Sunday Night 66°F Clear 5 to 10 mph WNW 0%
Monday 95°F Sunny 5 to 9 mph NW 0%

Forecast source: National Weather Service (api.weather.gov) for Manteca (37.793, -121.226). Updated through the day.

Growing snapshot for Manteca

Last spring frost
Feb 6
First fall frost
Dec 1
Growing season
304 days
Hardiness zone
9b

More local growing data for Manteca: nearby ZIP 95336 weather · frost dates · planting calendar · California frost dates

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Climate data from the nearest NOAA station, Stockton Metro Ap, Ca (4.3 mi from Manteca). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.