Walnut Grove, CA Weather & Growing Conditions
Tonight
47°F
Mostly Cloudy
Mostly cloudy, with a low around 47. North wind 5 to 10 mph, with gusts as high as 22 mph. New rainfall amounts less than a tenth of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 47°F | Mostly Cloudy | 5 to 10 mph N | 12% |
| Wednesday | 68°F | Sunny | 3 to 12 mph NW | 0% |
| Wednesday Night | 46°F | Mostly Cloudy | 3 mph WNW | 0% |
| Thursday | 71°F | Sunny | 2 to 8 mph NNW | 0% |
| Thursday Night | 46°F | Mostly Clear then Patchy Fog | 0 to 3 mph NNW | 0% |
| Friday | 71°F | Patchy Fog then Sunny | 0 to 3 mph NNW | 0% |
| Friday Night | 45°F | Clear | 0 mph | 0% |
| Saturday | 73°F | Sunny | 2 mph NNE | 0% |
| Saturday Night | 47°F | Mostly Clear | 1 mph NW | 0% |
| Sunday | 72°F | Mostly Sunny | 1 to 5 mph NW | 0% |
| Sunday Night | 48°F | Partly Cloudy | 1 mph NW | 0% |
| Monday | 71°F | Partly Sunny | 3 mph WSW | 1% |
| Monday Night | 48°F | Partly Cloudy | 2 mph W | 1% |
| Tuesday | 72°F | Mostly Sunny | 3 mph WNW | 6% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Walnut Grove, CA
Last spring frost
Feb 9
First fall frost
Dec 5
Growing season
301 days
Hardiness zone
9b
Explore more for Walnut Grove, CA: full frost dates · planting calendar · California frost dates
Climate data from the nearest NOAA station, Lodi, Ca (18.3 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.