Monticello Weather Forecast

    • 57
    • 79

    Partly Sunny

    • 62
    • 85

    Rain Showers Likely

    • 53
    • 74

    Rain Showers Likely

    • 55
    • 76

    Chance Thunderstorms

    • 57
    • 75

    Chance Rain Showers

    • 63
    • 77

    Chance Thunderstorms

    • 60
    • 81

    Chance Thunderstorms

Today 1 May Piatt

Mostly sunny. Near steady temperature in the upper 70s. Northwest Winds around 10 Mph.

Tonight 1 May Piatt

Partly cloudy in the Evening, then mostly cloudy with a slight chance of Showers and Thunderstorms after midnight. Lows in the upper 50s. Northeast Winds 5 to 10 Mph with Gusts up to 20 Mph. Chance of rain 20 percent.

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Monticello Temperature Statistics

May Temperature

University of Illinois - Willard (15.5 miles)

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  • Average May

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Climate (2019–Present)

University of Illinois - Willard (15.5 miles)

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  • Average Low 2019–2024

    43.9 °F
  • Average 2019–2024

    53.7 °F
  • Average High 2019–2024

    63.8 °F
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