Diablo Grande, CA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Diablo Grande, a community in Stanislaus County, California.
Overnight
50°F
Mostly Clear
Mostly clear, with a low around 50. Northwest wind 7 to 13 mph, with gusts as high as 21 mph.
7-day forecast for Diablo Grande
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 50°F | Mostly Clear | 7 to 13 mph NW | 0% |
| Wednesday | 65°F | Sunny | 9 to 16 mph NNW | 1% |
| Wednesday Night | 52°F | Mostly Cloudy | 5 to 10 mph WNW | 1% |
| Thursday | 68°F | Mostly Sunny | 5 to 15 mph NW | 0% |
| Thursday Night | 51°F | Clear | 2 to 8 mph WNW | 0% |
| Friday | 70°F | Sunny | 2 to 8 mph NNW | 0% |
| Friday Night | 53°F | Mostly Clear | 0 to 6 mph NNW | 0% |
| Saturday | 72°F | Sunny | 0 to 8 mph ENE | 0% |
| Saturday Night | 54°F | Mostly Clear | 0 to 3 mph N | 0% |
| Sunday | 72°F | Sunny | 1 to 7 mph NNW | 0% |
| Sunday Night | 55°F | Partly Cloudy | 0 to 5 mph NNW | 0% |
| Monday | 71°F | Mostly Sunny | 0 to 6 mph NNE | 0% |
| Monday Night | 54°F | Partly Cloudy | 1 to 5 mph WNW | 1% |
| Tuesday | 69°F | Sunny | 1 to 6 mph NNW | 2% |
Forecast source: National Weather Service (api.weather.gov) for Diablo Grande (37.399, -121.264). Updated through the day.
Growing snapshot for Diablo Grande
Last spring frost
Feb 26
First fall frost
Nov 29
Growing season
273 days
Hardiness zone
9b
More local growing data for Diablo Grande: nearby ZIP 95363 weather · frost dates · planting calendar · California frost dates
Nearby towns & communities
Airport
Bret Harte
Bystrom
Ceres
Cowan
Crows Landing
Del Rio
Denair
East Oakdale
Empire
Grayson
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, Newman, Ca (14.3 mi from Diablo Grande). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.