Middleton Weather Forecast

    • 53
    • 86

    Sunny

    • 53
    • 88

    Sunny

    • 59
    • 94

    Mostly Sunny

    • 60
    • 95

    Mostly Sunny

    • 58
    • 95

    Partly Sunny

    • 53
    • 86

    Slight Chance Thunderstorms

Today 21 Jun Lower Treasure Valley

Sunny. Highs 84 to 89. Northwest Winds 10 to 15 Mph.

Tonight 21 Jun Lower Treasure Valley

Mostly clear. Lows 53 to 58. Northwest Winds 10 to 15 Mph.

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Middleton Temperature Statistics

June Temperature

Caldwell - Caldwell Industrial Airport (4.3 miles)

  • Lowest 11 June, 2026

    44.1 °F

  • Average June

    67 °F

  • Highest 16 June, 2026

    91 °F

Climate (2021–2026)

Caldwell - Caldwell Industrial Airport (4.3 miles)

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  • Average Low 2021–2026

    42 °F

  • Average 2021–2026

    53.5 °F

  • Average High 2021–2026

    65.4 °F
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