Watsonville, CA Weather & Growing Conditions
Tonight
54°F
Mostly Cloudy then Patchy Fog
Patchy fog after 4am. Mostly cloudy. Low around 54, with temperatures rising to around 56 overnight. East wind 0 to 6 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 54°F | Mostly Cloudy then Patchy Fog | 0 to 6 mph E | 0% |
| Saturday | 74°F | Areas Of Fog then Mostly Sunny | 0 to 8 mph S | 0% |
| Saturday Night | 54°F | Mostly Cloudy | 0 to 6 mph SSE | 0% |
| Sunday | 71°F | Patchy Fog then Mostly Cloudy | 0 to 8 mph SSW | 2% |
| Sunday Night | 54°F | Mostly Cloudy | 3 to 8 mph WSW | 2% |
| Monday | 70°F | Mostly Sunny | 2 to 9 mph WSW | 0% |
| Monday Night | 55°F | Mostly Cloudy | 1 to 7 mph SW | 0% |
| Tuesday | 72°F | Patchy Fog then Mostly Sunny | 1 to 7 mph SW | 0% |
| Tuesday Night | 56°F | Partly Cloudy | 1 to 6 mph NE | 0% |
| Wednesday | 82°F | Sunny | 1 to 6 mph W | 0% |
| Wednesday Night | 60°F | Partly Cloudy | 1 to 5 mph N | 0% |
| Thursday | 83°F | Sunny | 1 to 6 mph SSW | 0% |
| Thursday Night | 59°F | Partly Cloudy | 2 to 6 mph NW | 0% |
| Friday | 78°F | Mostly Sunny | 1 to 7 mph WSW | 0% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Watsonville, CA
Last spring frost
Jan 31
First fall frost
Dec 9
Growing season
317 days
Hardiness zone
9b
Explore more for Watsonville, CA: full frost dates · planting calendar · California frost dates
Climate data from the nearest NOAA station, Watsonville Muni Ap, Ca (0.2 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.