Nampa Municipal Airport Weather Forecast

    • 31
    • 54

    Rain/Snow

    • 40
    • 45

    Rain/Snow

    • 28
    • 55

    Rain

    • 34
    • 45

    Rain/Snow Likely

    • 39
    • 49

    Rain

    • 35
    • 51

    Chance Rain

    • 35
    • 47

    Chance Rain

Today 17 Dec Lower Treasure Valley

Partly sunny this Morning, then clearing. Rain this morning. Chance of rain 80 percent. Highs 51 to 56. Temperature falling into the mid 40s this afternoon. Windy. Northwest Winds 20 to 30 Mph this Morning, decreasing to 10 to 20 Mph this afternoon. Gusts to 45 Mph.

Tonight 17 Dec Lower Treasure Valley

Snow after midnight. Chance of snow 90 percent. No snow accumulation. Colder with Lows 30 to 35. Southeast Winds 10 to 15 Mph.

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Nampa Municipal Airport Temperature Statistics

December Temperature

Nampa Municipal Airport (0 miles)

  • Lowest 1 December, 2025

    19.4 °F

  • Average December

    40 °F

  • Highest 10 December, 2025

    62.6 °F

Climate (2020–Present)

Nampa Municipal Airport (0 miles)

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  • Average Low 2020–2025

    41.6 °F

  • Average 2020–2025

    53.3 °F

  • Average High 2020–2025

    65.1 °F
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