Navasota Weather Forecast

    • 77
    • 97

    Hot

    • 75
    • 96

    Slight Chance Thunderstorms

    • 72
    • 95

    Mostly Sunny

    • 73
    • 95

    Mostly Sunny

    • 74
    • 96

    Mostly Sunny

    • 74
    • 95

    Chance Thunderstorms

Today 16 Sep Grimes

Mostly sunny. Hot with Highs in the upper 90s. Southeast Winds 5 to 10 Mph. Heat index Values up to 107.

Tonight 16 Sep Grimes

Partly cloudy. Lows in the upper 70s. Southeast Winds 5 to 10 Mph.

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Navasota Temperature Statistics

September Temperature

Brenham, Brenham Municipal Airport (20.5 miles)

  • Lowest 5 September, 2026

    74.3 °F

  • Average September

    83.7 °F

  • Highest 2 September, 2026

    100 °F

Climate (2021–2026)

Brenham, Brenham Municipal Airport (20.5 miles)

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  • Average Low 2021–2026

    60.9 °F

  • Average 2021–2026

    70.8 °F

  • Average High 2021–2026

    81.7 °F
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