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Walnut Grove, CA Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Walnut Grove, a community in Sacramento County, California.

This Afternoon
61°F
Light Rain Likely
Rain likely. Mostly cloudy. High near 61, with temperatures falling to around 58 in the afternoon. East wind 2 to 7 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch possible.

7-day forecast for Walnut Grove

WhenTempForecastWindPrecip
This Afternoon 61°F Light Rain Likely 2 to 7 mph E 55%
Tonight 46°F Slight Chance Light Rain then Partly Cloudy 2 to 9 mph N 18%
Wednesday 68°F Sunny 3 to 12 mph NW 0%
Wednesday Night 46°F Mostly Cloudy then Patchy Fog 3 mph WNW 0%
Thursday 71°F Sunny 2 to 7 mph NNW 0%
Thursday Night 45°F Mostly Clear then Patchy Fog 0 to 3 mph NW 0%
Friday 71°F Patchy Fog then Sunny 1 to 5 mph NNW 0%
Friday Night 44°F Clear 1 mph N 0%
Saturday 73°F Sunny 2 mph NNE 0%
Saturday Night 46°F Mostly Clear 1 mph NW 0%
Sunday 72°F Mostly Sunny 3 mph NW 0%
Sunday Night 47°F Partly Cloudy 1 mph NNW 0%
Monday 71°F Partly Sunny 0 to 3 mph W 1%
Monday Night 47°F Partly Cloudy 2 mph WSW 1%

Forecast source: National Weather Service (api.weather.gov) for Walnut Grove (38.251, -121.535). Updated through the day.

Growing snapshot for Walnut Grove

Last spring frost
Feb 9
First fall frost
Dec 5
Growing season
301 days
Hardiness zone
9b

More local growing data for Walnut Grove: nearby ZIP 95680 weather · frost dates · planting calendar · California frost dates

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Climate data from the nearest NOAA station, Lodi, Ca (18.3 mi from Walnut Grove). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 3, 2026.