Manteca, CA Weather & Growing Conditions

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

Today

66°F

Light Rain Likely

Rain likely before 5pm. Partly sunny. High near 66, with temperatures falling to around 62 in the afternoon. Northeast wind 2 to 8 mph. Chance of precipitation is 70%. New rainfall amounts less than a tenth of an inch possible.

7-day forecast for Manteca

When	Temp	Forecast	Wind	Precip
Today	66°F	Light Rain Likely	2 to 8 mph NE	73%
Tonight	51°F	Partly Cloudy	1 to 8 mph NNW	5%
Wednesday	69°F	Sunny	5 to 9 mph NW	0%
Wednesday Night	51°F	Partly Cloudy	5 mph NW	0%
Thursday	72°F	Sunny	3 to 8 mph NW	0%
Thursday Night	47°F	Clear	1 to 5 mph NNW	0%
Friday	72°F	Patchy Fog then Sunny	1 to 5 mph NNW	0%
Friday Night	50°F	Clear	0 to 3 mph ENE	0%
Saturday	76°F	Sunny	3 mph E	0%
Saturday Night	52°F	Mostly Clear	1 mph NNW	0%
Sunday	75°F	Sunny	1 to 5 mph NW	0%
Sunday Night	53°F	Partly Cloudy	0 to 3 mph NW	0%
Monday	74°F	Mostly Sunny	1 to 5 mph NW	1%
Monday Night	53°F	Partly Cloudy	5 mph NW	2%

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

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 Nov 3, 2026.