Gilroy, CA Weather & Growing Conditions
Today
72°F
Sunny
Sunny. High near 72, with temperatures falling to around 68 in the afternoon. Northwest wind 2 to 9 mph, with gusts as high as 18 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 72°F | Sunny | 2 to 9 mph NW | 0% |
| Tonight | 47°F | Mostly Cloudy | 3 to 12 mph NNW | 1% |
| Thursday | 76°F | Sunny | 3 mph NW | 0% |
| Thursday Night | 47°F | Mostly Clear | 2 to 6 mph NNE | 0% |
| Friday | 79°F | Sunny | 0 to 3 mph N | 0% |
| Friday Night | 47°F | Mostly Clear | 1 to 7 mph N | 0% |
| Saturday | 82°F | Sunny | 0 to 5 mph NE | 0% |
| Saturday Night | 48°F | Mostly Clear | 0 to 6 mph N | 0% |
| Sunday | 82°F | Sunny | 0 to 6 mph N | 0% |
| Sunday Night | 49°F | Partly Cloudy | 1 to 8 mph NNW | 0% |
| Monday | 80°F | Mostly Sunny | 0 to 5 mph NW | 0% |
| Monday Night | 49°F | Partly Cloudy | 3 to 8 mph NNW | 0% |
| Tuesday | 79°F | Sunny | 0 to 3 mph NW | 1% |
| Tuesday Night | 49°F | Mostly Clear | 3 mph N | 4% |
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 Nov 4, 2026.