Jonathan Weather Forecast

    • 17
    • 37

    Mostly Sunny

    • 24
    • 39

    Partly Sunny

    • 30
    • 39

    Rain/Snow

    • 29
    • 42

    Rain

    • 29
    • 42

    Rain Likely

    • 27
    • 41

    Rain/Snow Likely

Today 29 Jan Lower Treasure Valley

Sunny. Highs 35 to 40. Light Winds.

Tonight 29 Jan Lower Treasure Valley

Mostly clear. Lows 17 to 23. Light Winds.

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Jonathan Temperature Statistics

January Temperature

Ontario Municipal Airport (17.4 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 (17.4 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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