Pass Reservoir Weather Forecast

    • 47
    • 72

    Mostly Sunny

    • 54
    • 87

    Partly Sunny

    • 44
    • 71

    Breezy

    • 44
    • 73

    Mostly Sunny

    • 41
    • 75

    Partly Sunny

    • 36
    • 59

    Chance Rain Showers

Today 12 May Southeast Johnson County

Sunny. Highs in the lower 70s. North Winds around 10 Mph, becoming northeast in the afternoon.

Tonight 12 May Southeast Johnson County

Clear. Lows in the mid 40s. North Winds around 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Pass Reservoir Temperature Statistics

May Temperature

Buffalo - Johnson County Airport (41.6 miles)

  • Lowest 6 May, 2026

    21.7 °F

  • Average May

    47.8 °F

  • Highest 2 May, 2026

    70.6 °F

Climate (2021–Present)

Buffalo - Johnson County Airport (41.6 miles)

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  • Average Low 2021–2026

    36.9 °F

  • Average 2021–2026

    48.2 °F

  • Average High 2021–2026

    59.6 °F
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