Chula Vista Weather Forecast

    • 69
    • 77

    Decreasing Clouds

    • 70
    • 77

    Partly Sunny

    • 68
    • 77

    Partly Sunny

    • 69
    • 77

    Partly Sunny

    • 69
    • 77

    Partly Sunny

    • 70
    • 77

    Partly Sunny

    • 69
    • 77

    Mostly Sunny

Today 3 Aug San Diego County Coastal Areas

Partly cloudy with patchy fog this morning. Becoming mostly sunny. Highs 75 to 80 near the coast to 81 to 86 inland. Areas of Winds west to 10 Mph.

Tonight 3 Aug San Diego County Coastal Areas

Partly cloudy this evening. Becoming mostly cloudy. Lows 63 to 69. Areas of Winds west to 10 Mph this evening becoming light.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Chula Vista Temperature Statistics

August Temperature

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

  • Lowest 1 August, 2026

    63 °F

  • Average August

    70.9 °F

  • Highest 1 August, 2026

    77 °F

Climate (2021–2026)

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

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  • Average Low 2021–2026

    56.4 °F

  • Average 2021–2026

    63.1 °F

  • Average High 2021–2026

    69.3 °F
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