Greenfield, CA Weather & Growing Conditions
Overnight
59°F
Mostly Clear
Mostly clear, with a low around 59. Wind around 0 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 59°F | Mostly Clear | 0 mph | 0% |
| Tuesday | 98°F | Haze then Sunny | 0 to 5 mph ENE | 0% |
| Tuesday Night | 60°F | Mostly Clear | 0 mph | 0% |
| Wednesday | 100°F | Sunny | 0 to 3 mph ENE | 0% |
| Wednesday Night | 62°F | Clear | 1 mph NNW | 0% |
| Thursday | 103°F | Sunny | 0 to 5 mph N | 0% |
| Thursday Night | 65°F | Clear | 2 mph NNW | 0% |
| Friday | 106°F | Sunny | 0 to 5 mph NNW | 0% |
| Friday Night | 68°F | Clear | 2 mph NNW | 0% |
| Saturday | 105°F | Sunny | 0 to 5 mph NNW | 0% |
| Saturday Night | 66°F | Clear | 0 to 3 mph NNW | 0% |
| Sunday | 101°F | Sunny | 0 to 5 mph NNW | 0% |
| Sunday Night | 60°F | Mostly Clear | 0 to 3 mph NNW | 0% |
| Monday | 95°F | Sunny | 0 to 5 mph N | 0% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Greenfield, CA
Last spring frost
Feb 23
First fall frost
Nov 22
Growing season
271 days
Hardiness zone
9b
Explore more for Greenfield, CA: full frost dates · planting calendar · California frost dates
Climate data from the nearest NOAA station, King City, Ca (14.9 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.