Nampa Weather Forecast

    • 21
    • 35

    Gradual Clearing

    • 25
    • 40

    Mostly Cloudy

    • 26
    • 40

    Mostly Cloudy

    • 28
    • 41

    Mostly Cloudy

    • 30
    • 44

    Mostly Cloudy

    • 32
    • 48

    Mostly Cloudy

Today 26 Jan Lower Treasure Valley

Mostly cloudy. Highs 31 to 36. Light Winds.

Tonight 26 Jan Lower Treasure Valley

Decreasing Clouds. Lows 21 to 26. Light Winds.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Nampa Temperature Statistics

January Temperature

Nampa Municipal Airport (3.1 miles)

  • Lowest 12 January, 2026

    23 °F

  • Average January

    33.9 °F

  • Highest 3 January, 2026

    57.2 °F

Climate (2021–Present)

Nampa Municipal Airport (3.1 miles)

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  • Average Low 2021–2026

    41.7 °F

  • Average 2021–2026

    53.3 °F

  • Average High 2021–2026

    65.2 °F
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