San Jacinto River Weather Forecast

    • 66
    • 87

    Mostly Sunny

    • 71
    • 85

    Mostly Cloudy

    • 74
    • 86

    Chance Thunderstorms

    • 71
    • 89

    Chance Rain Showers

    • 63
    • 88

    Sunny

    • 70
    • 85

    Mostly Sunny

    • 68
    • 87

    Mostly Sunny

Today 15 Oct Coastal Harris

Sunny. Near steady temperature in the mid 80s. East Winds 5 to 10 Mph.

Tonight 15 Oct Coastal Harris

Mostly clear. Lows in the upper 60s. Southeast Winds 5 to 10 Mph, becoming east after midnight.

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San Jacinto River Temperature Statistics

October Temperature

Houston / Ellington (15.5 miles)

  • Lowest 10 October, 2025

    66.2 °F

  • Average October

    79.2 °F

  • Highest 1 October, 2025

    91.4 °F

Climate (2020–Present)

Houston / Ellington (15.5 miles)

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  • Average Low 2020–2025

    63.7 °F

  • Average 2020–2025

    71.4 °F

  • Average High 2020–2025

    79.8 °F
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