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Bay Point, CA Weather & Growing Conditions

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

Tonight
51°F
Partly Cloudy
Partly cloudy, with a low around 51. Northeast wind 5 to 8 mph. New rainfall amounts less than a tenth of an inch possible.

7-day forecast for Bay Point

WhenTempForecastWindPrecip
Tonight 51°F Partly Cloudy 5 to 8 mph NE 5%
Wednesday 67°F Sunny 5 to 8 mph NW 2%
Wednesday Night 51°F Mostly Cloudy 7 mph WSW 2%
Thursday 71°F Mostly Sunny 2 to 6 mph WNW 0%
Thursday Night 51°F Mostly Clear 5 mph W 0%
Friday 70°F Sunny 3 mph N 0%
Friday Night 51°F Mostly Clear 1 mph W 0%
Saturday 71°F Sunny 0 to 6 mph NE 0%
Saturday Night 52°F Mostly Clear 0 to 3 mph W 0%
Sunday 71°F Sunny 1 to 5 mph NW 0%
Sunday Night 53°F Partly Cloudy 0 to 5 mph WSW 0%
Monday 70°F Mostly Sunny 5 mph WSW 1%
Monday Night 52°F Partly Cloudy 5 mph WSW 2%
Tuesday 70°F Sunny 1 to 5 mph WNW 5%

Forecast source: National Weather Service (api.weather.gov) for Bay Point (38.032, -121.962). Updated through the day.

Growing snapshot for Bay Point

Last spring frost
Jan 9
First fall frost
Dec 14
Growing season
343 days
Hardiness zone
9b

More local growing data for Bay Point: nearby ZIP 94565 weather · frost dates · planting calendar · California frost dates

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Climate data from the nearest NOAA station, Concord Buchanan Fld, Ca (7 mi from Bay Point). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.