La Mesa Weather Forecast

    • 76
    • 96

    Partly Sunny

    • 76
    • 98

    Hot

    • 78
    • 99

    Hot

    • 79
    • 99

    Hot

    • 80
    • 98

    Hot

    • 80
    • 98

    Hot

Today 19 Jul Coastal Harris

Mostly sunny. Humid with Highs in the mid 90s. Southwest Winds 5 to 10 Mph. Heat index Values up to 106.

Tonight 19 Jul Coastal Harris

Partly cloudy. Near steady temperature in the upper 70s. Southwest Winds 5 to 10 Mph.

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La Mesa Temperature Statistics

July Temperature

Houston / Ellington (5 miles)

  • Lowest 14 July, 2026

    73.4 °F

  • Average July

    83.8 °F

  • Highest 6 July, 2026

    95 °F

Climate (2021–2026)

Houston / Ellington (5 miles)

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  • Average Low 2021–2026

    64.3 °F

  • Average 2021–2026

    71.9 °F

  • Average High 2021–2026

    80.4 °F
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