Greenfield, CA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Greenfield, a city in Monterey County, California.
Today
66°F
Mostly Sunny
Mostly sunny. High near 66, with temperatures falling to around 61 in the afternoon. Southwest wind 5 to 9 mph, with gusts as high as 20 mph.
7-day forecast for Greenfield
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 66°F | Mostly Sunny | 5 to 9 mph SW | 10% |
| Tonight | 47°F | Patchy Fog | 2 mph ENE | 2% |
| Wednesday | 70°F | Patchy Fog then Sunny | 2 to 18 mph NNW | 0% |
| Wednesday Night | 48°F | Mostly Cloudy | 3 to 16 mph NW | 0% |
| Thursday | 72°F | Mostly Sunny | 3 to 18 mph NNW | 0% |
| Thursday Night | 47°F | Mostly Clear | 2 to 15 mph NNW | 0% |
| Friday | 76°F | Sunny | 2 to 9 mph N | 0% |
| Friday Night | 48°F | Mostly Clear | 0 to 9 mph NNE | 0% |
| Saturday | 79°F | Sunny | 1 to 5 mph ESE | 0% |
| Saturday Night | 50°F | Mostly Clear | 2 mph NNW | 0% |
| Sunday | 79°F | Sunny | 1 to 5 mph NNE | 0% |
| Sunday Night | 51°F | Partly Cloudy | 2 mph NNW | 0% |
| Monday | 76°F | Mostly Sunny | 1 to 13 mph NW | 0% |
| Monday Night | 50°F | Mostly Cloudy | 1 to 13 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 Nov 3, 2026.