Nampa Weather Forecast

    • 35
    • 64

    Partly Sunny

    • 38
    • 64

    Mostly Sunny

    • 48
    • 67

    Mostly Cloudy

    • 38
    • 64

    Rain Showers Likely

    • 37
    • 53

    Rain Showers Likely

    • 30
    • 50

    Chance Rain Showers

    • 37
    • 53

    Partly Sunny

Today 22 Oct Lower Treasure Valley

Areas of fog this morning. Sunny. Highs 60 to 65. Southeast Winds up to 10 Mph.

Tonight 22 Oct Lower Treasure Valley

Partly cloudy this Evening, then clearing. Patchy fog after midnight. Lows 34 to 39. Light Winds.

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Nampa Temperature Statistics

October Temperature

Nampa Municipal Airport (3.1 miles)

  • Lowest 20 October, 2025

    35.6 °F

  • Average October

    54.9 °F

  • Highest 10 October, 2025

    86 °F

Climate (2020–Present)

Nampa Municipal Airport (3.1 miles)

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  • Average Low 2020–2025

    41.4 °F

  • Average 2020–2025

    53.1 °F

  • Average High 2020–2025

    64.9 °F
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