Irwin Weather Forecast

    • 46
    • 68

    Rain Showers

    • 52
    • 58

    Rain Showers

    • 42
    • 69

    Rain Showers

    • 30
    • 47

    Chance Rain Showers

    • 23
    • 50

    Chance Rain Showers

    • 25
    • 41

    Partly Sunny

Today 3 Apr Union

Partly cloudy Early, then becoming mostly cloudy. A 20 percent chance of Showers. Highs in the upper 60s. West Winds around 10 Mph with Gusts up to 20 Mph.

Tonight 3 Apr Union

Showers with a slight chance of Thunderstorms in the Evening, then Showers with a chance of Thunderstorms after midnight. Some Thunderstorms may produce heavy rainfall in the evening. Some Thunderstorms may produce heavy rainfall after midnight. Cooler with Lows in the mid 40s. Northwest Winds 5 to 10 Mph, becoming north after midnight. Chance of rain 90 percent.

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Irwin Temperature Statistics

April Temperature

Marysville Union County Airport (9.9 miles)

  • Lowest 1 April, 2025

    35.6 °F

  • Average April

    40.6 °F

  • Highest 1 April, 2025

    48.2 °F

Climate (2020–Present)

Marysville Union County Airport (9.9 miles)

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  • Average Low 2020–2025

    42.8 °F

  • Average 2020–2025

    52.3 °F

  • Average High 2020–2025

    62 °F
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