Jonathan Weather Forecast

    • 29
    • 56

    Rain Showers

    • 33
    • 50

    Chance Rain Showers

    • 31
    • 56

    Partly Sunny

    • 32
    • 57

    Slight Chance Rain

    • 33
    • 60

    Mostly Sunny

    • 35
    • 66

    Sunny

Today 31 Mar Lower Treasure Valley

Widespread rain Showers and isolated Thunderstorms. Chance of rain 90 percent. Highs 52 to 57. Breezy. Southeast Winds around 10 Mph this Morning, shifting to west 10 to 20 Mph with Gusts to 30 Mph this afternoon.

Tonight 31 Mar Lower Treasure Valley

Partly cloudy. Scattered rain Showers and isolated Thunderstorms in the evening. Chance of rain 30 percent. Lows 31 to 36. West Winds 10 to 15 Mph. Gusts to 25 Mph in the evening.

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Jonathan Temperature Statistics

March Temperature

Ontario Municipal Airport (17.4 miles)

  • Lowest 19 March, 2025

    21.8 °F

  • Average March

    47.8 °F

  • Highest 26 March, 2025

    78.7 °F

Climate (2020–Present)

Ontario Municipal Airport (17.4 miles)

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  • Average Low 2020–2025

    42.5 °F

  • Average 2020–2025

    54.5 °F

  • Average High 2020–2025

    66.9 °F
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