Graniteville, CA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Graniteville, a community in Nevada County, California.
This Afternoon
47°F
Rain
Rain before 2pm, then rain and haze between 2pm and 3pm, then haze and a chance of rain. Mostly cloudy. High near 47, with temperatures falling to around 41 in the afternoon. South southwest wind 2 to 8 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast for Graniteville
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 47°F | Rain | 2 to 8 mph SSW | 93% |
| Tonight | 35°F | Haze then Areas Of Frost | 2 to 8 mph ESE | 38% |
| Wednesday | 54°F | Sunny | 2 to 10 mph WNW | 0% |
| Wednesday Night | 40°F | Partly Cloudy | 3 to 10 mph NNE | 0% |
| Thursday | 59°F | Sunny | 2 to 12 mph NNW | 0% |
| Thursday Night | 42°F | Mostly Clear | 2 to 12 mph NE | 0% |
| Friday | 63°F | Sunny | 2 to 12 mph NNE | 0% |
| Friday Night | 47°F | Mostly Clear | 2 to 15 mph NE | 0% |
| Saturday | 65°F | Sunny | 2 to 12 mph SSW | 0% |
| Saturday Night | 48°F | Mostly Clear | 2 to 9 mph SSE | 0% |
| Sunday | 62°F | Mostly Sunny | 3 to 8 mph S | 0% |
| Sunday Night | 48°F | Partly Cloudy | 3 to 7 mph ESE | 0% |
| Monday | 59°F | Mostly Sunny | 3 to 7 mph SSE | 3% |
| Monday Night | 48°F | Partly Cloudy | 3 to 8 mph ESE | 3% |
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
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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 Nov 4, 2026.