Pass Reservoir Weather Forecast

    • 51
    • 78

    Chance Rain Showers

    • 49
    • 73

    Partly Sunny

    • 51
    • 73

    Mostly Cloudy

    • 53
    • 76

    Mostly Sunny

    • 48
    • 77

    Mostly Sunny

    • 49
    • 76

    Partly Sunny

    • 44
    • 68

    Chance Rain Showers

Today 22 Sep Southeast Johnson County

Mostly sunny. Highs in the upper 70s. Southwest Winds around 10 Mph with Gusts up to 20 Mph.

Tonight 22 Sep Southeast Johnson County

A slight chance of Thunderstorms in the evening. Partly cloudy with a chance of Showers. Lows in the lower 50s. South Winds 10 to 15 Mph with Gusts up to 30 Mph. Chance of rain 30 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Pass Reservoir Temperature Statistics

September Temperature

Buffalo - Johnson County Airport (41.6 miles)

  • Lowest 15 September, 2026

    41.6 °F

  • Average September

    65.1 °F

  • Highest 4 September, 2026

    93.7 °F

Climate (2021–2026)

Buffalo - Johnson County Airport (41.6 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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