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 5 to 10 mph, with gusts as high as 20 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 78°F | Patchy Fog then Sunny | 5 to 10 mph W | 1% |
| Tonight | 63°F | Partly Cloudy then Patchy Fog | 0 to 10 mph W | 1% |
| Wednesday | 79°F | Patchy Fog then Mostly Sunny | 5 to 10 mph W | 2% |
| Wednesday Night | 64°F | Mostly Clear | 0 to 5 mph SW | 1% |
| Thursday | 81°F | Patchy Fog then Sunny | 0 to 10 mph SW | 1% |
| Thursday Night | 65°F | Mostly Clear then Patchy Fog | 0 to 5 mph W | 1% |
| Friday | 82°F | Patchy Fog then Sunny | 0 to 10 mph W | 1% |
| Friday Night | 64°F | Mostly Clear | 0 to 10 mph W | 0% |
| Saturday | 83°F | Sunny | 0 to 10 mph W | 1% |
| Saturday Night | 65°F | Mostly Clear | 0 to 10 mph SW | 0% |
| Sunday | 82°F | Sunny | 0 to 10 mph SW | 3% |
| Sunday Night | 64°F | Mostly Clear | 0 to 10 mph SW | 4% |
| Monday | 80°F | Sunny | 0 to 10 mph SW | 8% |
| Monday Night | 63°F | Mostly Clear | 0 to 10 mph W | 2% |
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 21
Growing season
350 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, El Cajon, Ca (7 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.