Gilroy, CA Weather & Growing Conditions
Tonight
56°F
Partly Cloudy
Partly cloudy, with a low around 56. South southwest wind around 3 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 56°F | Partly Cloudy | 3 mph SSW | 0% |
| Saturday | 86°F | Patchy Fog then Mostly Sunny | 1 to 5 mph SSW | 0% |
| Saturday Night | 56°F | Mostly Cloudy | 1 to 5 mph WSW | 0% |
| Sunday | 81°F | Partly Sunny | 1 to 5 mph W | 2% |
| Sunday Night | 56°F | Mostly Cloudy | 5 mph WSW | 2% |
| Monday | 80°F | Mostly Sunny | 2 to 7 mph SW | 0% |
| Monday Night | 56°F | Partly Cloudy | 1 to 7 mph SW | 0% |
| Tuesday | 85°F | Patchy Fog then Sunny | 1 to 6 mph SW | 0% |
| Tuesday Night | 58°F | Mostly Clear | 0 to 6 mph WNW | 0% |
| Wednesday | 98°F | Sunny | 0 to 5 mph N | 0% |
| Wednesday Night | 62°F | Mostly Clear | 0 to 5 mph NNW | 0% |
| Thursday | 98°F | Sunny | 1 to 7 mph S | 0% |
| Thursday Night | 61°F | Mostly Clear | 1 to 7 mph W | 0% |
| Friday | 91°F | Sunny | 1 to 7 mph WSW | 0% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Gilroy, CA
Last spring frost
Feb 24
First fall frost
Nov 27
Growing season
277 days
Hardiness zone
9b
Explore more for Gilroy, CA: full frost dates · planting calendar · California frost dates
Climate data from the nearest NOAA station, Gilroy, Ca (0.9 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.