Bass Reservoir Weather Forecast

    • 47
    • 67

    Mostly Sunny

    • 50
    • 78

    Slight Chance Thunderstorms

    • 48
    • 76

    Mostly Sunny

    • 52
    • 80

    Mostly Sunny

    • 51
    • 81

    Mostly Sunny

    • 47
    • 78

    Mostly Sunny

    • 48
    • 77

    Partly Sunny

Today 21 Sep Northeast Johnson County

Mostly sunny. Near steady temperature in the mid 60s. Southeast Winds around 10 Mph.

Tonight 21 Sep Northeast Johnson County

Mostly clear. Lows in the upper 40s. Southeast Winds 10 to 15 Mph with Gusts up to 30 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Bass Reservoir Temperature Statistics

September Temperature

Buffalo - Johnson County Airport (16.8 miles)

  • Lowest 15 September, 2026

    41.6 °F

  • Average September

    65.7 °F

  • Highest 4 September, 2026

    93.7 °F

Climate (2021–2026)

Buffalo - Johnson County Airport (16.8 miles)

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  • Average Low 2021–2026

    36.8 °F

  • Average 2021–2026

    48.2 °F

  • Average High 2021–2026

    59.7 °F
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