Grayson, CA Weather & Growing Conditions
Today
101°F
Sunny
Sunny, with a high near 101. North northwest wind 3 to 8 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 101°F | Sunny | 3 to 8 mph NNW | 0% |
| Tonight | 63°F | Clear | 2 to 8 mph NNW | 0% |
| Wednesday | 100°F | Sunny | 3 to 7 mph NNW | 0% |
| Wednesday Night | 63°F | Clear | 3 to 7 mph NW | 0% |
| Thursday | 100°F | Sunny | 3 to 9 mph NNW | 0% |
| Thursday Night | 65°F | Clear | 3 to 9 mph NW | 0% |
| Friday | 101°F | Sunny | 3 to 10 mph NW | 0% |
| Friday Night | 67°F | Clear | 2 to 10 mph NW | 0% |
| Saturday | 103°F | Sunny | 3 to 9 mph NW | 0% |
| Saturday Night | 67°F | Clear | 1 to 9 mph NW | 0% |
| Sunday | 100°F | Sunny | 2 to 10 mph NW | 0% |
| Sunday Night | 63°F | Mostly Clear | 2 to 10 mph NW | 0% |
| Monday | 95°F | Sunny | 2 to 8 mph NNW | 0% |
| Monday Night | 59°F | Mostly Clear | 2 to 8 mph NW | 0% |
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 Aug 4, 2026.