Houston Weather Forecast

    • 49
    • 71

    Increasing Clouds

    • 53
    • 71

    Partly Sunny

    • 56
    • 69

    Mostly Cloudy

    • 56
    • 67

    Mostly Cloudy

    • 55
    • 71

    Mostly Cloudy

    • 59
    • 74

    Mostly Cloudy

    • 60
    • 74

    Chance Rain Showers

Today 25 Sep Washington

Mostly cloudy in the Morning, then becoming partly sunny. A 40 percent chance of Showers. Highs in the lower 70s.

Tonight 25 Sep Washington

Mainly clear. Lows in the upper 40s. North Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Houston Temperature Statistics

September Temperature

Washington - Washington County Airport (8.7 miles)

  • Lowest 8 September, 2026

    55.9 °F

  • Average September

    69.9 °F

  • Highest 2 September, 2026

    91 °F

Climate (2021–2026)

Washington - Washington County Airport (8.7 miles)

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  • Average Low 2021–2026

    42.4 °F

  • Average 2021–2026

    52.5 °F

  • Average High 2021–2026

    62.5 °F
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