Harris Reservoir Weather Forecast

    • 79
    • 87

    Slight Chance Thunderstorms

    • 81
    • 91

    Partly Sunny

    • 79
    • 91

    Chance Thunderstorms

    • 79
    • 90

    Mostly Cloudy

    • 80
    • 90

    Mostly Sunny

    • 78
    • 91

    Mostly Sunny

Today 17 Jun Inland Brazoria

Partly sunny with a slight chance of Showers and Thunderstorms. Some Thunderstorms may produce heavy rainfall. Highs in the upper 80s. East Winds 5 to 10 Mph, becoming north. Chance of rain 20 percent.

Tonight 17 Jun Inland Brazoria

Partly cloudy. A slight chance of Showers and Thunderstorms in the evening. Humid with Lows in the upper 70s. South Winds 5 to 10 Mph with Gusts up to 20 Mph. Chance of rain 20 percent. Heat index Values up to 105 early in the evening.

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Harris Reservoir Temperature Statistics

June Temperature

Angleton / Lake Jackson, Brazoria County Airport (9.3 miles)

  • Lowest 1 June, 2026

    73.7 °F

  • Average June

    82.5 °F

  • Highest 12 June, 2026

    91.7 °F

Climate (2021–2026)

Angleton / Lake Jackson, Brazoria County Airport (9.3 miles)

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  • Average Low 2021–2026

    62.8 °F

  • Average 2021–2026

    72 °F

  • Average High 2021–2026

    81.8 °F
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