Danville, CA Weather & Growing Conditions
Tonight
47°F
Partly Cloudy
Partly cloudy, with a low around 47. North wind around 3 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 47°F | Partly Cloudy | 3 mph N | 8% |
| Wednesday | 67°F | Sunny | 2 to 6 mph NNW | 2% |
| Wednesday Night | 46°F | Mostly Cloudy then Patchy Fog | 2 mph WNW | 2% |
| Thursday | 72°F | Patchy Fog then Mostly Sunny | 1 to 5 mph N | 0% |
| Thursday Night | 46°F | Clear | 2 mph NNE | 0% |
| Friday | 74°F | Sunny | 3 mph NNE | 0% |
| Friday Night | 48°F | Mostly Clear | 2 mph NNE | 0% |
| Saturday | 76°F | Sunny | 3 mph NE | 0% |
| Saturday Night | 48°F | Mostly Clear | 2 mph NW | 0% |
| Sunday | 75°F | Sunny | 3 mph NW | 0% |
| Sunday Night | 50°F | Partly Cloudy | 2 mph SW | 0% |
| Monday | 73°F | Mostly Sunny | 1 to 5 mph WSW | 2% |
| Monday Night | 49°F | Partly Cloudy | 0 to 5 mph SW | 2% |
| Tuesday | 73°F | Sunny | 3 mph NW | 5% |
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 Nov 4, 2026.