Danville, CA Weather & Growing Conditions
Overnight
59°F
Clear
Clear, with a low around 59. South southwest wind around 2 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 59°F | Clear | 2 mph SSW | 0% |
| Tuesday | 99°F | Sunny | 2 to 7 mph SW | 0% |
| Tuesday Night | 58°F | Clear | 2 to 7 mph SW | 0% |
| Wednesday | 96°F | Sunny | 2 to 7 mph WSW | 0% |
| Wednesday Night | 59°F | Mostly Clear | 2 to 7 mph WSW | 0% |
| Thursday | 94°F | Sunny | 2 to 7 mph WSW | 0% |
| Thursday Night | 61°F | Mostly Clear | 2 to 7 mph WSW | 0% |
| Friday | 98°F | Sunny | 2 to 7 mph WSW | 0% |
| Friday Night | 62°F | Mostly Clear | 3 to 7 mph WSW | 0% |
| Saturday | 98°F | Sunny | 3 to 7 mph WSW | 0% |
| Saturday Night | 63°F | Mostly Clear | 7 mph SW | 0% |
| Sunday | 91°F | Sunny | 5 to 9 mph SW | 0% |
| Sunday Night | 59°F | Mostly Clear | 9 mph SW | 0% |
| Monday | 86°F | Sunny | 7 to 10 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 Aug 4, 2026.