Watsonville, CA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Watsonville, a city in Santa Cruz County, California.
This Afternoon
63°F
Slight Chance Light Rain
A slight chance of rain. Mostly sunny. High near 63, with temperatures falling to around 60 in the afternoon. Southwest wind around 7 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Watsonville
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 63°F | Slight Chance Light Rain | 7 mph SW | 23% |
| Tonight | 50°F | Chance Light Rain | 5 mph ESE | 33% |
| Wednesday | 68°F | Sunny | 2 to 8 mph N | 1% |
| Wednesday Night | 50°F | Mostly Cloudy | 3 to 9 mph NNE | 0% |
| Thursday | 71°F | Mostly Sunny | 1 to 5 mph N | 0% |
| Thursday Night | 48°F | Mostly Clear | 5 to 8 mph N | 0% |
| Friday | 74°F | Sunny | 0 to 5 mph N | 0% |
| Friday Night | 50°F | Mostly Clear | 3 to 9 mph NNE | 0% |
| Saturday | 77°F | Sunny | 2 to 6 mph NE | 0% |
| Saturday Night | 51°F | Mostly Clear | 3 to 8 mph NE | 0% |
| Sunday | 76°F | Mostly Sunny | 0 to 6 mph N | 0% |
| Sunday Night | 52°F | Partly Cloudy | 3 to 9 mph N | 0% |
| Monday | 73°F | Partly Sunny | 0 to 5 mph NNW | 1% |
| Monday Night | 52°F | Mostly Cloudy | 5 to 9 mph N | 2% |
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 Nov 4, 2026.