Ross, CA Weather & Growing Conditions
Overnight
54°F
Mostly Clear
Mostly clear, with a low around 54. Southwest wind around 2 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 54°F | Mostly Clear | 2 mph SW | 0% |
| Tuesday | 88°F | Haze then Sunny | 5 mph SW | 1% |
| Tuesday Night | 55°F | Mostly Clear | 3 mph WSW | 2% |
| Wednesday | 83°F | Mostly Sunny | 5 mph SW | 3% |
| Wednesday Night | 55°F | Partly Cloudy | 0 to 5 mph SW | 0% |
| Thursday | 82°F | Sunny | 0 to 5 mph SW | 0% |
| Thursday Night | 55°F | Mostly Clear | 0 to 5 mph SW | 0% |
| Friday | 88°F | Sunny | 0 to 5 mph SW | 0% |
| Friday Night | 60°F | Mostly Clear | 5 mph WSW | 0% |
| Saturday | 86°F | Sunny | 1 to 5 mph WSW | 0% |
| Saturday Night | 62°F | Mostly Clear | 5 mph WSW | 0% |
| Sunday | 84°F | Sunny | 3 to 7 mph WSW | 0% |
| Sunday Night | 59°F | Mostly Clear | 7 mph WSW | 0% |
| Monday | 77°F | Sunny | 7 mph SW | 0% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Ross, CA
Last spring frost
Jan 16
First fall frost
Dec 18
Growing season
334 days
Hardiness zone
9b
Explore more for Ross, CA: full frost dates · planting calendar · California frost dates
Climate data from the nearest NOAA station, Kentfield, Ca (1 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.