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Smartsville, CA Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Smartsville, a community in Yuba County, California.

Tonight
46°F
Haze
Haze and patchy fog before 1am. Partly cloudy, with a low around 46. North wind 0 to 5 mph. New rainfall amounts less than a tenth of an inch possible.

7-day forecast for Smartsville

WhenTempForecastWindPrecip
Tonight 46°F Haze 0 to 5 mph N 5%
Wednesday 67°F Sunny 2 to 7 mph NNW 0%
Wednesday Night 47°F Partly Cloudy 3 mph NE 0%
Thursday 70°F Sunny 2 to 6 mph NW 0%
Thursday Night 47°F Clear 3 mph NE 0%
Friday 71°F Sunny 5 mph W 0%
Friday Night 51°F Clear 0 to 3 mph NE 0%
Saturday 74°F Sunny 5 mph WSW 0%
Saturday Night 52°F Mostly Clear 3 mph E 0%
Sunday 74°F Mostly Sunny 5 mph W 0%
Sunday Night 54°F Partly Cloudy 2 mph SSE 0%
Monday 72°F Partly Sunny 1 to 5 mph SSE 3%
Monday Night 53°F Partly Cloudy 2 mph ENE 3%
Tuesday 72°F Mostly Sunny 5 mph SSW 10%

Forecast source: National Weather Service (api.weather.gov) for Smartsville (39.205, -121.293). Updated through the day.

Growing snapshot for Smartsville

Last spring frost
Apr 10
First fall frost
Nov 13
Growing season
215 days
Hardiness zone
9b

More local growing data for Smartsville: nearby ZIP 95977 weather · frost dates · planting calendar · California frost dates

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Climate data from the nearest NOAA station, Grass Valley #2, Ca (12.1 mi from Smartsville). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.