La Mesa Weather Forecast

    • 75
    • 84

    Chance Thunderstorms

    • 74
    • 83

    Thunderstorms Likely

    • 76
    • 86

    Thunderstorms

    • 75
    • 84

    Rain Showers

    • 74
    • 83

    Rain Showers Likely

    • 75
    • 85

    Rain Showers Likely

Today 20 May Coastal Harris

Mostly cloudy with Showers likely with a chance of Thunderstorms. Humid with Highs in the mid 80s. Southeast Winds 10 to 15 Mph. Chance of rain 60 percent.

Tonight 20 May Coastal Harris

Showers and Thunderstorms likely. Near steady temperature around 70. Northeast Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of rain 70 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

    75.2 °F

  • Highest 9 May, 2026

    89.6 °F

Climate (2021–Present)

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

    80.3 °F
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