La Mesa Weather Forecast

    • 72
    • 87

    Chance Thunderstorms

    • 68
    • 79

    Rain Showers Likely

    • 72
    • 79

    Chance Thunderstorms

    • 73
    • 84

    Chance Thunderstorms

    • 72
    • 88

    Slight Chance Thunderstorms

    • 67
    • 85

    Partly Sunny

Today 6 May Coastal Harris

Mostly cloudy this Morning, then becoming partly sunny. A slight chance of Thunderstorms. A slight chance of Showers this Morning, then a chance of Showers this afternoon. Highs in the mid 80s. South Winds 10 to 15 Mph. Chance of rain 40 percent.

Tonight 6 May Coastal Harris

Mostly cloudy. A slight chance of Showers and Thunderstorms in the evening. Humid with Lows in the lower 70s. South Winds 10 to 15 Mph, becoming north 5 to 10 Mph after midnight. Chance of rain 20 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

La Mesa Temperature Statistics

May Temperature

Houston / Ellington (5 miles)

  • Lowest 2 May, 2026

    55.4 °F

  • Average May

    66.7 °F

  • Highest 4 May, 2026

    78.8 °F

Climate (2021–Present)

Houston / Ellington (5 miles)

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  • Average Low 2021–2026

    64.2 °F

  • Average 2021–2026

    71.9 °F

  • Average High 2021–2026

    80.3 °F
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