Pass Reservoir Weather Forecast

    • 47
    • 64

    Rain Showers

    • 47
    • 63

    Rain Showers

    • 45
    • 67

    Isolated Thunderstorms

    • 49
    • 74

    Partly Sunny

    • 51
    • 78

    Partly Sunny

    • 49
    • 73

    Mostly Sunny

Today 16 Sep Southeast Johnson County

Mostly cloudy with isolated Showers this Morning, then partly cloudy with scattered Showers with isolated Thunderstorms this afternoon. Some Thunderstorms may produce gusty Winds and small hail this afternoon. Highs in the mid 60s. Northeast Winds around 10 Mph this afternoon. Chance of rain 30 percent.

Tonight 16 Sep Southeast Johnson County

Partly cloudy in the Evening, then becoming mostly cloudy. Isolated Thunderstorms in the evening. Scattered Showers. Some Thunderstorms may produce gusty Winds and small hail in the evening. Lows in the upper 40s. North Winds around 10 Mph. Chance of rain 30 percent.

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Pass Reservoir Temperature Statistics

September Temperature

Buffalo - Johnson County Airport (41.6 miles)

  • Lowest 6 September, 2025

    43 °F

  • Average September

    64.7 °F

  • Highest 10 September, 2025

    87.1 °F

Climate (2020–Present)

Buffalo - Johnson County Airport (41.6 miles)

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  • Average Low 2020–2025

    36.5 °F

  • Average 2020–2025

    47.6 °F

  • Average High 2020–2025

    58.8 °F
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