Chula Vista Weather Forecast

    • 55
    • 73

    Partly Sunny

    • 53
    • 70

    Increasing Clouds

    • 53
    • 67

    Patchy Fog

    • 54
    • 69

    Mostly Cloudy

    • 54
    • 68

    Mostly Sunny

    • 57
    • 66

    Rain Showers Likely

    • 57
    • 65

    Rain Showers

Today 18 Dec San Diego County Coastal Areas

Mostly sunny. Warmer. Highs 69 to 74 near the coast to 76 to 81 inland. Areas of Winds northeast to 10 Mph becoming west 10 Mph this afternoon.

Tonight 18 Dec San Diego County Coastal Areas

Partly cloudy. Patchy fog overnight. Local visibility one quarter mile or less at Times overnight. Lows 51 to 55. Light Winds.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Chula Vista Temperature Statistics

December Temperature

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

  • Lowest 5 December, 2025

    46 °F

  • Average December

    57.5 °F

  • Highest 10 December, 2025

    81 °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

    56.6 °F

  • Average 2020–2025

    63.1 °F

  • Average High 2020–2025

    69 °F
Get WillyWeather+ to remove ads