Smartsville, CA Weather & Growing Conditions
Tonight
45°F
Haze
Haze and areas of fog before 1am. Mostly clear. Low around 45, with temperatures rising to around 47 overnight. North northeast wind 1 to 5 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 45°F | Haze | 1 to 5 mph NNE | 1% |
| Wednesday | 66°F | Sunny | 2 to 8 mph NNW | 1% |
| Wednesday Night | 46°F | Partly Cloudy | 0 to 3 mph NE | 1% |
| Thursday | 69°F | Sunny | 5 mph N | 0% |
| Thursday Night | 47°F | Clear | 3 mph NNE | 0% |
| Friday | 69°F | Sunny | 3 mph NNW | 0% |
| Friday Night | 49°F | Mostly Clear | 3 mph ENE | 0% |
| Saturday | 72°F | Sunny | 5 mph WSW | 0% |
| Saturday Night | 50°F | Mostly Clear | 0 to 3 mph NE | 0% |
| Sunday | 72°F | Sunny | 5 mph WNW | 0% |
| Sunday Night | 52°F | Partly Cloudy | 3 mph ENE | 0% |
| Monday | 70°F | Mostly Sunny | 3 mph SSW | 1% |
| Monday Night | 51°F | Partly Cloudy | 2 mph ESE | 1% |
| Tuesday | 69°F | Sunny then Slight Chance Light Rain | 5 mph W | 15% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Smartsville, CA
Last spring frost
Apr 10
First fall frost
Nov 13
Growing season
215 days
Hardiness zone
9b
Explore more for Smartsville, CA: full frost dates · planting calendar · California frost dates
Climate data from the nearest NOAA station, Grass Valley #2, Ca (12.1 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.