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
75°F
Clear
Clear. Low around 75, with temperatures rising to around 77 overnight. West southwest wind around 2 mph.
7-day forecast for Diablo Grande
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 75°F | Clear | 2 mph WSW | 0% |
| Tuesday | 99°F | Sunny | 1 to 7 mph ENE | 0% |
| Tuesday Night | 70°F | Clear | 2 to 6 mph WNW | 0% |
| Wednesday | 97°F | Sunny | 2 to 8 mph NNE | 0% |
| Wednesday Night | 71°F | Clear | 2 to 8 mph NW | 0% |
| Thursday | 98°F | Sunny | 2 to 10 mph NNW | 0% |
| Thursday Night | 73°F | Clear | 2 to 10 mph WNW | 0% |
| Friday | 99°F | Sunny | 2 to 10 mph NNW | 0% |
| Friday Night | 75°F | Clear | 2 to 10 mph WNW | 0% |
| Saturday | 100°F | Sunny | 2 to 10 mph NNW | 0% |
| Saturday Night | 75°F | Mostly Clear | 2 to 10 mph W | 0% |
| Sunday | 98°F | Sunny | 2 to 8 mph NNW | 0% |
| Sunday Night | 70°F | Mostly Clear | 3 to 8 mph W | 0% |
| Monday | 93°F | Sunny | 3 to 7 mph WSW | 0% |
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
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Bret Harte
Bystrom
Ceres
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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 Aug 4, 2026.