Union Weather Forecast

    • 40
    • 59

    Mostly Sunny

    • 56
    • 60

    Rain Showers

    • 63
    • 81

    Thunderstorms Likely

    • 61
    • 76

    Thunderstorms

    • 50
    • 71

    Chance Thunderstorms

    • 55
    • 74

    Chance Thunderstorms

    • 48
    • 73

    Chance Thunderstorms

Today 25 Apr McHenry

Mostly sunny. Highs in the upper 50s. Southeast Winds 5 to 10 Mph.

Tonight 25 Apr McHenry

Mostly clear. Lows around 40. East Winds 10 to 15 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Union Temperature Statistics

April Temperature

De Kalb Taylor Municipal Airport (21.7 miles)

  • Lowest 21 April, 2024

    28.2 °F

  • Average April

    49.3 °F

  • Highest 14 April, 2024

    80.4 °F

Climate (2019–Present)

De Kalb Taylor Municipal Airport (21.7 miles)

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  • Average Low 2019–2024

    40.4 °F

  • Average 2019–2024

    49.3 °F

  • Average High 2019–2024

    58.2 °F
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