Harman US

Rocklin, CA Weather & Growing Conditions

Tonight
58°F
Clear
Clear. Low around 58, with temperatures rising to around 60 overnight. Southeast wind around 3 mph.

7-day forecast

WhenTempForecastWindPrecip
Tonight 58°F Clear 3 mph SE 0%
Saturday 90°F Sunny 5 mph SSW 0%
Saturday Night 62°F Partly Cloudy 5 mph SSE 0%
Sunday 87°F Mostly Sunny 5 mph S 0%
Sunday Night 58°F Partly Cloudy 5 mph S 0%
Monday 89°F Sunny 6 mph SSW 0%
Monday Night 60°F Mostly Clear 6 mph SSE 0%
Tuesday 90°F Sunny 5 mph S 0%
Tuesday Night 62°F Clear 5 mph SSE 0%
Wednesday 95°F Sunny 5 mph SSW 0%
Wednesday Night 65°F Mostly Clear 5 mph SSE 0%
Thursday 98°F Sunny 5 mph S 0%
Thursday Night 66°F Mostly Clear 6 mph SSE 0%
Friday 93°F Sunny 6 mph S 0%

Forecast source: National Weather Service (api.weather.gov). Updated through the day.

Growing snapshot for Rocklin, CA

Last spring frost
Feb 25
First fall frost
Dec 5
Growing season
286 days
Hardiness zone
9b

Explore more for Rocklin, CA: full frost dates · planting calendar · California frost dates

Climate data from the nearest NOAA station, Auburn, Ca (12.1 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.