Harman US

Chula Vista, CA Weather & Growing Conditions

Today
78°F
Patchy Fog then Sunny
Patchy fog before 11am. Sunny, with a high near 78. West wind 0 to 10 mph.

7-day forecast

WhenTempForecastWindPrecip
Today 78°F Patchy Fog then Sunny 0 to 10 mph W 1%
Tonight 67°F Patchy Fog 0 to 5 mph W 1%
Wednesday 78°F Patchy Fog then Mostly Sunny 0 to 10 mph SW 2%
Wednesday Night 67°F Patchy Fog 0 to 5 mph W 1%
Thursday 81°F Patchy Fog then Mostly Sunny 0 to 10 mph W 1%
Thursday Night 68°F Patchy Fog 0 to 5 mph W 1%
Friday 82°F Patchy Fog then Mostly Sunny 0 to 10 mph W 0%
Friday Night 68°F Partly Cloudy 0 to 10 mph W 0%
Saturday 82°F Mostly Sunny 0 to 10 mph W 0%
Saturday Night 68°F Partly Cloudy 0 to 10 mph SW 0%
Sunday 81°F Mostly Sunny 0 to 10 mph SW 2%
Sunday Night 67°F Partly Cloudy 0 to 10 mph SW 4%
Monday 80°F Mostly Sunny 0 to 10 mph SW 6%
Monday Night 67°F Partly Cloudy 0 to 10 mph W 3%

Forecast source: National Weather Service (api.weather.gov). Updated through the day.

Growing snapshot for Chula Vista, CA

Last spring frost
Jan 6
First fall frost
Dec 31
Growing season
365 days
Hardiness zone
10b

Explore more for Chula Vista, CA: full frost dates · planting calendar · California frost dates

Climate data from the nearest NOAA station, San Diego Brown Fld, Ca (3.5 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.