Greenfield, CA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Greenfield, a city in Monterey County, California.
Today
90°F
Mostly Sunny
Mostly sunny. High near 90, with temperatures falling to around 84 in the afternoon. North northeast wind 2 to 14 mph, with gusts as high as 26 mph.
7-day forecast for Greenfield
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 90°F | Mostly Sunny | 2 to 14 mph NNE | 0% |
| Tonight | 57°F | Areas Of Fog | 1 to 13 mph NW | 0% |
| Wednesday | 90°F | Patchy Fog then Mostly Sunny | 1 to 14 mph NW | 0% |
| Wednesday Night | 58°F | Patchy Fog | 1 to 14 mph NW | 0% |
| Thursday | 92°F | Patchy Fog then Sunny | 1 to 18 mph NW | 0% |
| Thursday Night | 60°F | Mostly Clear | 2 to 18 mph NW | 0% |
| Friday | 93°F | Sunny | 2 to 20 mph NW | 0% |
| Friday Night | 63°F | Mostly Clear | 2 to 20 mph NW | 0% |
| Saturday | 91°F | Sunny | 2 to 21 mph NW | 0% |
| Saturday Night | 61°F | Mostly Clear | 3 to 21 mph NW | 0% |
| Sunday | 86°F | Sunny | 3 to 21 mph NW | 0% |
| Sunday Night | 56°F | Partly Cloudy then Patchy Fog | 2 to 21 mph NW | 0% |
| Monday | 80°F | Patchy Fog then Mostly Sunny | 2 to 17 mph WNW | 0% |
| Monday Night | 54°F | Partly Cloudy | 1 to 17 mph NW | 0% |
Forecast source: National Weather Service (api.weather.gov) for Greenfield (36.324, -121.244). Updated through the day.
Growing snapshot for Greenfield
Last spring frost
Apr 23
First fall frost
Nov 3
Growing season
189 days
Hardiness zone
9b
More local growing data for Greenfield: nearby ZIP 93960 weather · frost dates · planting calendar · California frost dates
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Climate data from the nearest NOAA station, Pinnacles Nm, Ca (9.4 mi from Greenfield). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.