Watsonville, CA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Watsonville, a city in Santa Cruz County, California.
Today
74°F
Mostly Sunny
Mostly sunny. High near 74, with temperatures falling to around 71 in the afternoon. West southwest wind 1 to 8 mph. Chance of precipitation is 20%.
7-day forecast for Watsonville
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 74°F | Mostly Sunny | 1 to 8 mph WSW | 15% |
| Tonight | 55°F | Mostly Cloudy | 0 to 6 mph WSW | 1% |
| Wednesday | 74°F | Mostly Sunny | 0 to 7 mph SW | 0% |
| Wednesday Night | 56°F | Mostly Cloudy | 0 to 6 mph WNW | 0% |
| Thursday | 77°F | Mostly Sunny | 0 to 7 mph NW | 0% |
| Thursday Night | 58°F | Partly Cloudy | 0 to 6 mph W | 0% |
| Friday | 83°F | Mostly Sunny | 0 to 7 mph WSW | 0% |
| Friday Night | 60°F | Partly Cloudy | 0 to 6 mph WSW | 0% |
| Saturday | 79°F | Mostly Sunny | 0 to 7 mph WSW | 0% |
| Saturday Night | 59°F | Partly Cloudy | 1 to 6 mph SW | 0% |
| Sunday | 75°F | Mostly Sunny | 1 to 8 mph SW | 0% |
| Sunday Night | 57°F | Partly Cloudy then Patchy Fog | 1 to 7 mph SW | 0% |
| Monday | 71°F | Mostly Sunny | 1 to 8 mph SW | 0% |
| Monday Night | 56°F | Partly Cloudy | 1 to 8 mph SSW | 0% |
Forecast source: National Weather Service (api.weather.gov) for Watsonville (36.924, -121.772). Updated through the day.
Growing snapshot for Watsonville
Last spring frost
Jan 31
First fall frost
Dec 9
Growing season
317 days
Hardiness zone
9b
More local growing data for Watsonville: nearby ZIP 95019 weather · frost dates · planting calendar · California frost dates
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Climate data from the nearest NOAA station, Watsonville Muni Ap, Ca (0.2 mi from Watsonville). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.