Rocklin, CA Weather & Growing Conditions
Today
69°F
Sunny
Sunny. High near 69, with temperatures falling to around 64 in the afternoon. Northwest wind 3 to 8 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 69°F | Sunny | 3 to 8 mph NW | 1% |
| Tonight | 44°F | Partly Cloudy | 2 mph ENE | 1% |
| Thursday | 71°F | Sunny | 5 mph N | 0% |
| Thursday Night | 44°F | Clear | 3 mph NE | 0% |
| Friday | 71°F | Sunny | 3 mph NNW | 0% |
| Friday Night | 47°F | Mostly Clear | 2 mph E | 0% |
| Saturday | 74°F | Sunny | 2 mph WNW | 0% |
| Saturday Night | 46°F | Mostly Clear | 2 mph E | 0% |
| Sunday | 74°F | Sunny | 3 mph NNW | 0% |
| Sunday Night | 49°F | Partly Cloudy | 2 mph E | 0% |
| Monday | 73°F | Mostly Sunny | 2 mph S | 1% |
| Monday Night | 48°F | Partly Cloudy | 2 mph ESE | 1% |
| Tuesday | 73°F | Sunny | 3 mph N | 8% |
| Tuesday Night | 50°F | Mostly Clear | 3 mph S | 12% |
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 Nov 4, 2026.