Lafayette, CA Weather & Growing Conditions
Overnight
57°F
Clear
Clear, with a low around 57. West southwest wind around 8 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 57°F | Clear | 8 mph WSW | 0% |
| Tuesday | 96°F | Haze then Sunny | 6 to 9 mph WSW | 0% |
| Tuesday Night | 57°F | Mostly Clear | 10 mph WSW | 0% |
| Wednesday | 89°F | Sunny | 9 mph WSW | 0% |
| Wednesday Night | 57°F | Mostly Clear | 9 mph WSW | 0% |
| Thursday | 86°F | Sunny | 6 to 9 mph WSW | 0% |
| Thursday Night | 58°F | Mostly Clear | 9 mph WSW | 0% |
| Friday | 92°F | Sunny | 6 to 9 mph WSW | 0% |
| Friday Night | 60°F | Mostly Clear | 9 mph SW | 0% |
| Saturday | 91°F | Sunny | 6 to 9 mph SW | 0% |
| Saturday Night | 62°F | Mostly Clear | 10 mph SW | 0% |
| Sunday | 85°F | Sunny | 8 to 12 mph SW | 0% |
| Sunday Night | 58°F | Mostly Clear | 13 mph SW | 0% |
| Monday | 79°F | Sunny | 13 mph SW | 0% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Lafayette, CA
Last spring frost
Jan 7
First fall frost
Dec 19
Growing season
346 days
Hardiness zone
9b
Explore more for Lafayette, CA: full frost dates · planting calendar · California frost dates
Climate data from the nearest NOAA station, Concord Wwtp, Ca (6.3 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.