Eaton Weather Forecast

    • 51
    • 84

    Rain Showers Likely

    • 42
    • 69

    Chance Rain Showers

    • 43
    • 72

    Mostly Sunny

    • 47
    • 75

    Mostly Sunny

    • 48
    • 78

    Mostly Sunny

    • 50
    • 80

    Mostly Sunny

Today 12 Sep Lower Treasure Valley

Mostly sunny. Patchy smoke in the afternoon. Highs 81 to 86. Southeast Winds up to 10 Mph with Gusts to 20 Mph.

Tonight 12 Sep Lower Treasure Valley

Mostly cloudy. Patchy smoke in the evening. A chance of Showers after midnight. Chance of rain 30 percent. Lows 50 to 55. Breezy. Southeast Winds 10 to 20 Mph in the Evening, shifting to west 10 to 15 Mph after midnight. Gusts to 35 Mph.

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Eaton Temperature Statistics

September Temperature

Ontario Municipal Airport (18 miles)

  • Lowest 5 September, 2026

    42.7 °F

  • Average September

    61 °F

  • Highest 1 September, 2026

    83.6 °F

Climate (2021–2026)

Ontario Municipal Airport (18 miles)

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  • Average Low 2021–2026

    42.5 °F

  • Average 2021–2026

    54.6 °F

  • Average High 2021–2026

    67.1 °F
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