La Mesa Weather Forecast

    • 77
    • 92

    Slight Chance Rain Showers

    • 76
    • 94

    Slight Chance Thunderstorms

    • 76
    • 93

    Chance Thunderstorms

    • 77
    • 94

    Chance Thunderstorms

    • 78
    • 96

    Slight Chance Thunderstorms

    • 78
    • 98

    Slight Chance Thunderstorms

    • 79
    • 96

    Slight Chance Thunderstorms

Today 5 Jul Coastal Harris

Mostly sunny with isolated Thunderstorms. A slight chance of Showers late this Morning, then a chance of Showers this afternoon. Highs in the lower 90s. South Winds 5 to 10 Mph. Chance of rain 30 percent.

Tonight 5 Jul Coastal Harris

Mostly clear in the Evening, then becoming partly cloudy. Lows in the mid 70s. South Winds 5 to 10 Mph, becoming southwest after midnight.

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La Mesa Temperature Statistics

July Temperature

Houston / Ellington (5 miles)

  • Lowest 1 July, 2025

    77 °F

  • Average July

    83.9 °F

  • Highest 1 July, 2025

    93.2 °F

Climate (2020–Present)

Houston / Ellington (5 miles)

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  • Average Low 2020–2025

    63.7 °F

  • Average 2020–2025

    71.3 °F

  • Average High 2020–2025

    79.7 °F
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