Mewis Lake Weather Forecast

    • 75
    • 98

    Slight Chance Thunderstorms

    • 75
    • 97

    Hot

    • 75
    • 96

    Mostly Sunny

    • 75
    • 96

    Mostly Sunny

    • 75
    • 96

    Partly Sunny

    • 75
    • 96

    Slight Chance Thunderstorms

Today 5 Aug Austin

Sunny. Patchy fog this morning. A slight chance of Showers and Thunderstorms this afternoon. Hot with Highs in the upper 90s. South Winds 5 to 10 Mph. Chance of rain 20 percent.

Tonight 5 Aug Austin

Mostly clear. A slight chance of Showers and Thunderstorms in the evening. Patchy fog after midnight. Lows in the mid 70s. South Winds 5 to 10 Mph. Chance of rain 20 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Mewis Lake Temperature Statistics

August Temperature

Brenham, Brenham Municipal Airport (16.2 miles)

  • Lowest 3 August, 2026

    69.8 °F

  • Average August

    84.7 °F

  • Highest 3 August, 2026

    97 °F

Climate (2021–2026)

Brenham, Brenham Municipal Airport (16.2 miles)

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  • Average Low 2021–2026

    60.9 °F

  • Average 2021–2026

    70.7 °F

  • Average High 2021–2026

    81.6 °F
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