Nampa Weather Forecast

    • 58
    • 85

    Becoming Sunny

    • 60
    • 90

    Sunny

    • 63
    • 94

    Mostly Sunny

    • 64
    • 94

    Partly Sunny

    • 62
    • 93

    Mostly Sunny

    • 63
    • 92

    Mostly Sunny

Today 22 Jul Lower Treasure Valley

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

Tonight 22 Jul Lower Treasure Valley

Mostly clear. Lows 58 to 63. Northwest Winds up to 10 Mph.

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Nampa Temperature Statistics

July Temperature

Nampa Municipal Airport (3.1 miles)

  • Lowest 5 July, 2025

    53.6 °F

  • Average July

    79 °F

  • Highest 8 July, 2025

    104 °F

Climate (2020–Present)

Nampa Municipal Airport (3.1 miles)

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  • Average Low 2020–2025

    41.3 °F

  • Average 2020–2025

    53.1 °F

  • Average High 2020–2025

    65.1 °F
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