San Juan Bautista, CA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for San Juan Bautista, a city in San Benito County, California.
Today
78°F
Mostly Sunny
Mostly sunny. High near 78, with temperatures falling to around 74 in the afternoon. Southwest wind 2 to 14 mph, with gusts as high as 23 mph.
7-day forecast for San Juan Bautista
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 78°F | Mostly Sunny | 2 to 14 mph SW | 0% |
| Tonight | 54°F | Mostly Cloudy | 2 to 13 mph SSW | 0% |
| Sunday | 73°F | Patchy Fog then Mostly Cloudy | 2 to 13 mph WSW | 2% |
| Sunday Night | 54°F | Mostly Cloudy | 5 to 13 mph SW | 2% |
| Monday | 72°F | Partly Sunny | 3 to 14 mph WSW | 0% |
| Monday Night | 53°F | Partly Cloudy | 1 to 14 mph SW | 0% |
| Tuesday | 75°F | Patchy Fog then Mostly Sunny | 1 to 13 mph WSW | 0% |
| Tuesday Night | 54°F | Mostly Clear | 1 to 13 mph SSW | 0% |
| Wednesday | 87°F | Sunny | 0 to 12 mph WSW | 0% |
| Wednesday Night | 60°F | Mostly Clear | 0 to 12 mph E | 0% |
| Thursday | 87°F | Sunny | 2 to 13 mph SW | 0% |
| Thursday Night | 58°F | Partly Cloudy | 2 to 13 mph SSW | 0% |
| Friday | 81°F | Mostly Sunny | 1 to 14 mph WSW | 0% |
| Friday Night | 56°F | Partly Cloudy | 2 to 14 mph SW | 1% |
Forecast source: National Weather Service (api.weather.gov) for San Juan Bautista (36.845, -121.537). Updated through the day.
Growing snapshot for San Juan Bautista
Last spring frost
Feb 19
First fall frost
Dec 1
Growing season
287 days
Hardiness zone
9b
More local growing data for San Juan Bautista: nearby ZIP 95045 weather · frost dates · planting calendar · California frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Hollister 2, Ca (5.6 mi from San Juan Bautista). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.