Harman US

Pacheco, CA Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Pacheco, a community in Contra Costa County, California.

Overnight
60°F
Clear
Clear, with a low around 60. West southwest wind around 9 mph.

7-day forecast for Pacheco

WhenTempForecastWindPrecip
Overnight 60°F Clear 9 mph WSW 0%
Tuesday 99°F Sunny 8 to 13 mph W 0%
Tuesday Night 60°F Clear 12 mph SW 0%
Wednesday 94°F Sunny 12 mph WSW 0%
Wednesday Night 60°F Mostly Clear 12 mph WSW 0%
Thursday 92°F Sunny 8 to 12 mph WSW 0%
Thursday Night 61°F Clear 12 mph WSW 0%
Friday 98°F Sunny 7 to 10 mph WSW 0%
Friday Night 62°F Mostly Clear 6 to 9 mph WSW 0%
Saturday 97°F Sunny 5 to 9 mph WSW 0%
Saturday Night 63°F Mostly Clear 9 mph SW 0%
Sunday 92°F Sunny 7 to 12 mph SW 0%
Sunday Night 60°F Mostly Clear 12 mph SW 0%
Monday 86°F Sunny 9 to 13 mph SW 0%

Forecast source: National Weather Service (api.weather.gov) for Pacheco (37.988, -122.070). Updated through the day.

Growing snapshot for Pacheco

Last spring frost
Jan 7
First fall frost
Dec 19
Growing season
346 days
Hardiness zone
9b

More local growing data for Pacheco: nearby ZIP 94523 weather · frost dates · planting calendar · California frost dates

Nearby towns & communities

All California locations ›

Climate data from the nearest NOAA station, Concord Wwtp, Ca (2 mi from Pacheco). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.