Irwin Weather Forecast

    • 35
    • 59

    Rain Showers

    • 37
    • 44

    Rain Likely

    • 31
    • 63

    Rain

    • 18
    • 33

    Chance Snow Showers

    • 21
    • 26

    Mostly Cloudy

    • 17
    • 32

    Chance Snow Showers

Today 26 Dec Union

Mostly cloudy with Showers with a chance of drizzle. Areas of fog. Highs in the upper 50s. Southwest Winds around 15 Mph, becoming west late. Gusts up to 30 Mph. Chance of rain 80 percent.

Tonight 26 Dec Union

Mostly cloudy. Lows in the mid 30s. Northwest Winds 10 to 15 Mph.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Irwin Temperature Statistics

December Temperature

Marysville Union County Airport (9.9 miles)

  • Lowest 14 December, 2025

    2.3 °F

  • Average December

    28.1 °F

  • Highest 23 December, 2025

    53.6 °F

Climate (2020–Present)

Marysville Union County Airport (9.9 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2020–2025

    42.8 °F

  • Average 2020–2025

    52.3 °F

  • Average High 2020–2025

    62 °F
Get WillyWeather+ to remove ads