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Graniteville, CA Weather & Growing Conditions

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

This Afternoon
68°F
Sunny
Sunny. High near 68, with temperatures falling to around 66 in the afternoon. West wind around 6 mph.

7-day forecast for Graniteville

WhenTempForecastWindPrecip
This Afternoon 68°F Sunny 6 mph W 0%
Tonight 56°F Clear 2 to 12 mph NE 0%
Saturday 77°F Sunny 2 to 13 mph SW 0%
Saturday Night 59°F Partly Cloudy 3 to 12 mph ENE 0%
Sunday 75°F Partly Sunny 2 to 10 mph SSW 0%
Sunday Night 57°F Mostly Cloudy 6 mph ENE 0%
Monday 76°F Mostly Sunny 3 to 8 mph WNW 3%
Monday Night 59°F Mostly Clear 2 to 7 mph ENE 0%
Tuesday 77°F Sunny 3 to 9 mph W 0%
Tuesday Night 60°F Mostly Clear 3 to 8 mph NE 0%
Wednesday 78°F Sunny 3 to 9 mph SW 0%
Wednesday Night 62°F Mostly Clear 7 mph E 0%
Thursday 78°F Sunny 5 to 8 mph SSE 0%
Thursday Night 62°F Partly Cloudy 7 mph SSE 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

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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 Sep 19, 2026.