Folsom, CA Weather & Growing Conditions
Overnight
46°F
Mostly Clear
Mostly clear, with a low around 46. North wind around 5 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 46°F | Mostly Clear | 5 mph N | 0% |
| Wednesday | 67°F | Sunny | 2 to 7 mph NNW | 1% |
| Wednesday Night | 46°F | Partly Cloudy then Patchy Fog | 2 mph NE | 1% |
| Thursday | 70°F | Patchy Fog then Sunny | 3 mph NNW | 0% |
| Thursday Night | 45°F | Clear | 2 mph ENE | 0% |
| Friday | 70°F | Sunny | 2 mph N | 0% |
| Friday Night | 48°F | Mostly Clear | 2 mph ENE | 0% |
| Saturday | 73°F | Sunny | 2 mph NNW | 0% |
| Saturday Night | 49°F | Mostly Clear | 3 mph ENE | 0% |
| Sunday | 73°F | Sunny | 3 mph NW | 0% |
| Sunday Night | 50°F | Partly Cloudy | 2 mph ENE | 0% |
| Monday | 72°F | Mostly Sunny | 2 mph SSW | 1% |
| Monday Night | 50°F | Partly Cloudy | 2 mph ESE | 1% |
| Tuesday | 71°F | Sunny | 3 mph W | 9% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Folsom, CA
Last spring frost
Feb 25
First fall frost
Dec 5
Growing season
286 days
Hardiness zone
9b
Explore more for Folsom, CA: full frost dates · planting calendar · California frost dates
Climate data from the nearest NOAA station, Auburn, Ca (15.2 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.