Celebration Park Weather Forecast

    • 50
    • 69

    Rain Showers

    • 49
    • 68

    Chance Rain Showers

    • 47
    • 71

    Chance Rain Showers

    • 49
    • 74

    Rain Showers Likely

    • 46
    • 71

    Chance Rain Showers

    • 49
    • 75

    Partly Sunny

Today 3 Sep Lower Treasure Valley

Widespread Showers and isolated Thunderstorms. Areas of fog this morning. Patchy fog this afternoon. Thunderstorms may produce heavy rainfall. Chance of rain 80 percent. Cooler with Highs 63 to 68. Southeast Winds up to 10 Mph.

Tonight 3 Sep Lower Treasure Valley

Showers with a slight chance of Thunderstorms in the Evening, then Showers after midnight. Areas of fog. Thunderstorms may produce heavy rainfall in the evening. Chance of rain near 100 percent. Lows 48 to 53. Northwest Winds 10 to 15 Mph in the Evening, shifting to south after midnight. Gusts to 25 Mph.

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Celebration Park Temperature Statistics

September Temperature

Nampa Municipal Airport (19.3 miles)

  • Lowest 1 September, 2026

    59 °F

  • Average September

    72.2 °F

  • Highest 1 September, 2026

    84.2 °F

Climate (2021–2026)

Nampa Municipal Airport (19.3 miles)

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  • Average Low 2021–2026

    41.8 °F

  • Average 2021–2026

    53.5 °F

  • Average High 2021–2026

    65.3 °F
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