Buttermilk Slough Weather Forecast

    • 26
    • 39

    Increasing Clouds

    • 32
    • 37

    Rain/Snow

    • 27
    • 44

    Rain

    • 27
    • 39

    Chance Rain/Snow

    • 29
    • 40

    Rain/Snow Likely

    • 25
    • 42

    Rain/Snow Likely

Today 30 Jan Lower Treasure Valley

Sunny. Highs 38 to 43. Light Winds.

Tonight 30 Jan Lower Treasure Valley

Increasing Clouds. Not as cold with Lows 24 to 29. East Winds up to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Buttermilk Slough Temperature Statistics

January Temperature

Ontario Municipal Airport (13 miles)

  • Lowest 27 January, 2025

    10.9 °F

  • Average January

    33.4 °F

  • Highest 6 January, 2025

    51.7 °F

Climate (2020–Present)

Ontario Municipal Airport (13 miles)

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  • Average Low 2020–2025

    42.5 °F

  • Average 2020–2025

    54.6 °F

  • Average High 2020–2025

    67.1 °F
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