La Mesa Weather Forecast

    • 44
    • 65

    Sunny

    • 62
    • 73

    Partly Sunny

    • 60
    • 82

    Mostly Sunny

    • 53
    • 77

    Sunny

    • 55
    • 71

    Mostly Sunny

    • 60
    • 75

    Partly Sunny

Today 31 Dec Coastal Harris

Sunny. Highs in the mid 60s. Southwest Winds around 5 Mph.

Tonight 31 Dec Coastal Harris

Clear. Lows in the mid 40s. Southwest Winds around 5 Mph.

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La Mesa Temperature Statistics

December Temperature

Houston / Ellington (5 miles)

  • Lowest 15 December, 2025

    32 °F

  • Average December

    60.1 °F

  • Highest 21 December, 2025

    82.4 °F

Climate (2020–Present)

Houston / Ellington (5 miles)

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  • Average Low 2020–2025

    63.9 °F

  • Average 2020–2025

    71.6 °F

  • Average High 2020–2025

    80 °F
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