Grayson, CA Weather & Growing Conditions
This Afternoon
89°F
Sunny
Sunny, with a high near 89. North northwest wind around 7 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 89°F | Sunny | 7 mph NNW | 0% |
| Tonight | 58°F | Partly Cloudy | 1 to 6 mph WNW | 0% |
| Sunday | 84°F | Partly Sunny | 2 to 6 mph NNW | 0% |
| Sunday Night | 56°F | Mostly Cloudy | 1 to 5 mph NW | 0% |
| Monday | 86°F | Mostly Sunny | 5 mph NNW | 0% |
| Monday Night | 57°F | Mostly Clear | 1 to 5 mph NW | 0% |
| Tuesday | 88°F | Sunny | 5 mph NNW | 0% |
| Tuesday Night | 59°F | Clear | 0 to 5 mph NNW | 0% |
| Wednesday | 91°F | Sunny | 1 to 5 mph NNW | 0% |
| Wednesday Night | 64°F | Mostly Clear | 0 to 5 mph NW | 0% |
| Thursday | 95°F | Sunny | 1 to 5 mph NNW | 0% |
| Thursday Night | 64°F | Mostly Clear | 5 mph WNW | 0% |
| Friday | 91°F | Sunny | 1 to 8 mph NW | 0% |
| Friday Night | 61°F | Mostly Clear | 2 to 8 mph WNW | 1% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Grayson, CA
Last spring frost
Feb 25
First fall frost
Nov 26
Growing season
272 days
Hardiness zone
9b
Explore more for Grayson, CA: full frost dates · planting calendar · California frost dates
Climate data from the nearest NOAA station, Tracy Carbona, Ca (7.3 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 20, 2026.