La Mesa Weather Forecast

    • 81
    • 93

    Chance Thunderstorms

    • 80
    • 92

    Chance Thunderstorms

    • 81
    • 93

    Partly Sunny

    • 80
    • 94

    Partly Sunny

    • 79
    • 95

    Partly Sunny

    • 77
    • 96

    Mostly Sunny

Today 19 Jun Coastal Harris

Patchy fog this morning. Partly sunny. Highs in the lower 90s. South Winds 10 to 15 Mph. Heat index Values up to 110.

Tonight 19 Jun Coastal Harris

Mostly cloudy with a slight chance of Showers and Thunderstorms. Humid with Lows in the lower 80s. Southeast Winds 10 to 15 Mph. Chance of rain 20 percent. Heat index Values up to 108 early in the evening.

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La Mesa Temperature Statistics

June Temperature

Houston / Ellington (5 miles)

  • Lowest 3 June, 2026

    73.4 °F

  • Average June

    81.8 °F

  • Highest 12 June, 2026

    91.4 °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

    80.3 °F
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