Graniteville, CA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Graniteville, a community in Nevada County, California.
Today
86°F
Sunny
Sunny. High near 86, with temperatures falling to around 84 in the afternoon. South wind 5 to 8 mph.
7-day forecast for Graniteville
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 86°F | Sunny | 5 to 8 mph S | 0% |
| Tonight | 67°F | Clear | 6 mph ESE | 0% |
| Wednesday | 85°F | Sunny | 5 to 8 mph S | 0% |
| Wednesday Night | 67°F | Clear | 3 to 7 mph SSE | 0% |
| Thursday | 86°F | Sunny | 8 mph SSE | 0% |
| Thursday Night | 68°F | Clear | 3 to 7 mph SSE | 0% |
| Friday | 87°F | Sunny | 8 mph SSW | 0% |
| Friday Night | 69°F | Clear | 3 to 8 mph SSE | 0% |
| Saturday | 87°F | Sunny | 8 mph SSE | 0% |
| Saturday Night | 69°F | Clear | 3 to 8 mph SSE | 0% |
| Sunday | 84°F | Sunny | 9 mph SSE | 0% |
| Sunday Night | 66°F | Clear | 8 mph SE | 0% |
| Monday | 81°F | Sunny | 9 mph S | 1% |
| Monday Night | 64°F | Mostly Clear | 8 mph S | 1% |
Forecast source: National Weather Service (api.weather.gov) for Graniteville (39.444, -120.736). Updated through the day.
Growing snapshot for Graniteville
Last spring frost
May 4
First fall frost
Nov 4
Growing season
183 days
Hardiness zone
8b
More local growing data for Graniteville: nearby ZIP 95986 weather · frost dates · planting calendar · California frost dates
Nearby towns & communities
Alta Sierra
Floriston
Grass Valley
Lake Wildwood
Nevada City
Penn Valley
Rough and Ready
Truckee
Washington
Climate data from the nearest NOAA station, Blue Canyon Ap, Ca (6.5 mi from Graniteville). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.