Grayson, CA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Grayson, a community in Stanislaus County, California.
Tonight
57°F
Clear
Clear. Low around 57, with temperatures rising to around 59 overnight. South southeast wind 1 to 5 mph.
7-day forecast for Grayson
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 57°F | Clear | 1 to 5 mph SSE | 0% |
| Saturday | 90°F | Sunny | 2 to 7 mph E | 0% |
| Saturday Night | 60°F | Partly Cloudy | 1 to 5 mph WNW | 0% |
| Sunday | 86°F | Partly Sunny | 3 to 7 mph NNW | 0% |
| Sunday Night | 58°F | Partly Cloudy | 0 to 7 mph NW | 0% |
| Monday | 88°F | Sunny | 2 to 6 mph NNW | 0% |
| Monday Night | 58°F | Clear | 0 to 6 mph NW | 0% |
| Tuesday | 90°F | Sunny | 2 to 6 mph NNW | 0% |
| Tuesday Night | 61°F | Clear | 0 to 6 mph NNW | 0% |
| Wednesday | 94°F | Sunny | 5 mph NNW | 0% |
| Wednesday Night | 65°F | Mostly Clear | 0 to 5 mph NW | 0% |
| Thursday | 97°F | Sunny | 1 to 6 mph NNW | 0% |
| Thursday Night | 66°F | Mostly Clear | 2 to 6 mph NW | 0% |
| Friday | 93°F | Sunny | 2 to 8 mph NNW | 0% |
Forecast source: National Weather Service (api.weather.gov) for Grayson (37.565, -121.180). Updated through the day.
Growing snapshot for Grayson
Last spring frost
Feb 25
First fall frost
Nov 26
Growing season
272 days
Hardiness zone
9b
More local growing data for Grayson: nearby ZIP 95387 weather · frost dates · planting calendar · California frost dates
Nearby towns & communities
Airport
Bret Harte
Bystrom
Ceres
Cowan
Crows Landing
Del Rio
Denair
Diablo Grande
East Oakdale
Empire
Hickman
Hughson
Keyes
Modesto
Monterey Park Tract
Newman
Oakdale
Parklawn
Patterson
Riverbank
Riverdale Park
Rouse
Salida
Turlock
Waterford
West Modesto
Westley
Climate data from the nearest NOAA station, Tracy Carbona, Ca (10.4 mi from Grayson). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.