Hamilton Corner Weather Forecast

    • 57
    • 81

    Chance Rain Showers

    • 59
    • 86

    Slight Chance Thunderstorms

    • 60
    • 90

    Mostly Sunny

    • 61
    • 93

    Mostly Sunny

    • 62
    • 94

    Mostly Sunny

    • 63
    • 94

    Mostly Sunny

Today 21 Jul Lower Treasure Valley

Increasing Clouds. Haze in the morning. A chance of Showers. A slight chance of Thunderstorms in the afternoon. Chance of rain 30 percent. Highs 79 to 84. Northwest Winds 10 to 15 Mph with Gusts to 25 Mph.

Tonight 21 Jul Lower Treasure Valley

Mostly cloudy with a slight chance of Showers and Thunderstorms in the Evening, then partly cloudy after midnight. Chance of rain 20 percent. Lows 57 to 62. Northwest Winds up to 10 Mph with Gusts to 20 Mph.

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Hamilton Corner Temperature Statistics

July Temperature

Ontario Municipal Airport (12.4 miles)

  • Lowest 5 July, 2025

    50.6 °F

  • Average July

    80 °F

  • Highest 1 July, 2025

    104.6 °F

Climate (2020–Present)

Ontario Municipal Airport (12.4 miles)

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  • Average Low 2020–2025

    42.5 °F

  • Average 2020–2025

    54.6 °F

  • Average High 2020–2025

    67.1 °F
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