Smartsville, CA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Smartsville, a community in Yuba County, California.
Today
90°F
Sunny
Sunny, with a high near 90. West southwest wind around 5 mph.
7-day forecast for Smartsville
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 90°F | Sunny | 5 mph WSW | 0% |
| Tonight | 63°F | Partly Cloudy | 5 mph ESE | 0% |
| Sunday | 86°F | Partly Sunny | 5 mph SSW | 0% |
| Sunday Night | 63°F | Mostly Cloudy | 0 to 5 mph S | 0% |
| Monday | 88°F | Sunny | 0 to 6 mph S | 0% |
| Monday Night | 62°F | Mostly Clear | 0 to 6 mph SE | 0% |
| Tuesday | 88°F | Sunny | 0 to 6 mph S | 0% |
| Tuesday Night | 63°F | Clear | 0 to 5 mph ESE | 0% |
| Wednesday | 92°F | Sunny | 0 to 5 mph WNW | 0% |
| Wednesday Night | 64°F | Mostly Clear | 1 to 5 mph E | 0% |
| Thursday | 94°F | Sunny | 5 mph SSW | 0% |
| Thursday Night | 66°F | Mostly Clear | 5 mph SE | 1% |
| Friday | 90°F | Sunny | 3 to 7 mph SSE | 1% |
| Friday Night | 63°F | Partly Cloudy | 2 to 6 mph SSE | 2% |
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 Sep 19, 2026.