Jonathan Weather Forecast

    • 16
    • 37

    Mostly Sunny

    • 18
    • 37

    Mostly Sunny

    • 25
    • 38

    Mostly Cloudy

    • 31
    • 37

    Rain/Snow

    • 29
    • 43

    Rain Likely

    • 30
    • 41

    Rain Likely

    • 32
    • 44

    Rain Likely

Today 28 Jan Lower Treasure Valley

Sunny. Highs 34 to 39. Light Winds.

Tonight 28 Jan Lower Treasure Valley

Mostly clear. Lows 16 to 21. Light Winds.

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Jonathan Temperature Statistics

January Temperature

Ontario Municipal Airport (17.4 miles)

  • Lowest 22 January, 2025

    11.8 °F

  • Average January

    33.8 °F

  • Highest 6 January, 2025

    51.7 °F

Climate (2020–Present)

Ontario Municipal Airport (17.4 miles)

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  • Average Low 2020–2025

    42.6 °F

  • Average 2020–2025

    54.6 °F

  • Average High 2020–2025

    67.1 °F
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