Hamilton Reservoir Weather Forecast

    • 68
    • 86

    Slight Chance Thunderstorms

    • 66
    • 88

    Rain Showers Likely

    • 65
    • 81

    Rain Showers

    • 68
    • 84

    Chance Thunderstorms

    • 72
    • 89

    Mostly Sunny

    • 72
    • 92

    Mostly Sunny

    • 71
    • 93

    Mostly Sunny

Today 5 Jun Caldwell

Partly sunny. Highs in the upper 80s. Southwest Winds 10 to 15 Mph with Gusts up to 25 Mph.

Tonight 5 Jun Caldwell

Mostly cloudy. A slight chance of Showers and Thunderstorms this evening. Lows in the upper 60s. South Winds 5 to 10 Mph with Gusts up to 20 Mph. Chance of rain 20 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Hamilton Reservoir Temperature Statistics

June Temperature

Chillicothe, Chillicothe Agri-Science Center (24.2 miles)

  • Lowest 3 June, 2026

    55.9 °F

  • Average June

    72.8 °F

  • Highest 1 June, 2026

    89.7 °F

Climate (2021–Present)

Chillicothe, Chillicothe Agri-Science Center (24.2 miles)

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  • Average Low 2021–2026

    45.5 °F

  • Average 2021–2026

    56.2 °F

  • Average High 2021–2026

    67.1 °F
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