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Lemon Grove, CA Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Lemon Grove, a city in San Diego County, California.

Today
81°F
Patchy Fog then Sunny
Patchy fog before 11am. Sunny, with a high near 81. Southwest wind 0 to 10 mph.

7-day forecast for Lemon Grove

WhenTempForecastWindPrecip
Today 81°F Patchy Fog then Sunny 0 to 10 mph SW 1%
Tonight 66°F Patchy Fog 0 to 5 mph W 1%
Wednesday 81°F Patchy Fog then Mostly Sunny 0 to 10 mph SW 1%
Wednesday Night 67°F Patchy Fog 0 to 5 mph W 0%
Thursday 83°F Patchy Fog then Mostly Sunny 0 to 10 mph W 0%
Thursday Night 68°F Patchy Fog 0 to 5 mph W 0%
Friday 86°F Patchy Fog then Mostly Sunny 0 to 10 mph W 0%
Friday Night 68°F Partly Cloudy 0 to 10 mph SW 0%
Saturday 84°F Mostly Sunny 0 to 10 mph SW 0%
Saturday Night 68°F Partly Cloudy 0 to 10 mph SW 0%
Sunday 83°F Mostly Sunny 0 to 10 mph SW 1%
Sunday Night 67°F Partly Cloudy 0 to 10 mph SW 3%
Monday 82°F Mostly Sunny 0 to 10 mph SW 6%
Monday Night 67°F Partly Cloudy 0 to 10 mph SW 3%

Forecast source: National Weather Service (api.weather.gov) for Lemon Grove (32.733, -117.034). Updated through the day.

Growing snapshot for Lemon Grove

Growing season
365 days
Hardiness zone
10b

More local growing data for Lemon Grove: nearby ZIP 91945 weather · frost dates · planting calendar · California frost dates

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Climate data from the nearest NOAA station, Chula Vista, Ca (7.1 mi from Lemon Grove). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.