Danville, CA Weather & Growing Conditions
Tonight
56°F
Mostly Clear
Mostly clear, with a low around 56. South southwest wind around 5 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 56°F | Mostly Clear | 5 mph SSW | 0% |
| Saturday | 88°F | Sunny | 2 to 6 mph SW | 0% |
| Saturday Night | 56°F | Partly Cloudy | 6 mph SW | 0% |
| Sunday | 78°F | Partly Sunny | 7 mph SW | 3% |
| Sunday Night | 56°F | Mostly Cloudy | 7 mph SW | 3% |
| Monday | 81°F | Mostly Sunny | 5 to 8 mph WSW | 0% |
| Monday Night | 56°F | Mostly Clear | 3 to 8 mph SW | 0% |
| Tuesday | 86°F | Sunny | 2 to 7 mph WSW | 0% |
| Tuesday Night | 57°F | Mostly Clear | 0 to 7 mph SW | 0% |
| Wednesday | 97°F | Sunny | 0 to 5 mph W | 0% |
| Wednesday Night | 62°F | Mostly Clear | 0 to 5 mph WSW | 0% |
| Thursday | 97°F | Sunny | 0 to 6 mph W | 0% |
| Thursday Night | 61°F | Mostly Clear | 2 to 6 mph WSW | 0% |
| Friday | 89°F | Sunny | 2 to 7 mph SW | 0% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Danville, CA
Last spring frost
Mar 8
First fall frost
Dec 22
Growing season
282 days
Hardiness zone
9b
Explore more for Danville, CA: full frost dates · planting calendar · California frost dates
Climate data from the nearest NOAA station, Mt Diablo Junction, Ca (5.4 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.