Middleton Weather Forecast

    • 45
    • 71

    Areas Fog

    • 47
    • 76

    Mostly Sunny

    • 52
    • 80

    Mostly Sunny

    • 55
    • 84

    Mostly Sunny

    • 51
    • 81

    Partly Sunny

    • 48
    • 74

    Partly Sunny

Today 7 Sep Lower Treasure Valley

Areas of fog in the morning. Sunny. Highs 68 to 73. West Winds 10 to 15 Mph.

Tonight 7 Sep Lower Treasure Valley

Mostly clear. Areas of fog. Lows 44 to 49. Light Winds.

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  • Temperature Real-Time

Middleton Temperature Statistics

September Temperature

Caldwell - Caldwell Industrial Airport (4.3 miles)

  • Lowest 4 September, 2026

    46.9 °F

  • Average September

    63.1 °F

  • Highest 1 September, 2026

    84 °F

Climate (2021–2026)

Caldwell - Caldwell Industrial Airport (4.3 miles)

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  • Average Low 2021–2026

    42 °F

  • Average 2021–2026

    53.4 °F

  • Average High 2021–2026

    65.3 °F
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