Chula Vista Weather Forecast

    • 70
    • 80

    Rain Showers Likely

    • 69
    • 77

    Rain Showers Likely

    • 68
    • 75

    Slight Chance Thunderstorms

    • 68
    • 76

    Mostly Cloudy

    • 70
    • 79

    Mostly Cloudy

    • 69
    • 79

    Mostly Cloudy

Today 17 Sep San Diego County Coastal Areas

Mostly cloudy in the Morning, then partly cloudy with a slight chance of Showers and Thunderstorms in the afternoon. Highs 78 to 82 near the coast to 82 to 87 inland. Light Winds becoming west 10 Mph in the afternoon. Chance of measurable precipitation 20 percent.

Tonight 17 Sep San Diego County Coastal Areas

Mostly cloudy with a slight chance of Thunderstorms. A chance of Showers. Lows 65 to 70. Light Winds. Chance of measurable precipitation 50 percent.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Chula Vista Temperature Statistics

September Temperature

Imperial Beach Naval Outlying Field - Ream Field (5 miles)

  • Lowest 7 September, 2025

    61 °F

  • Average September

    69.5 °F

  • Highest 7 September, 2025

    80.1 °F

Climate (2020–Present)

Imperial Beach Naval Outlying Field - Ream Field (5 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2020–2025

    56.8 °F

  • Average 2020–2025

    63.4 °F

  • Average High 2020–2025

    69.2 °F
Get WillyWeather+ to remove ads