Monticello Weather Forecast

    • 41
    • 53

    Increasing Clouds

    • 31
    • 61

    Mostly Cloudy

    • 30
    • 43

    Mostly Cloudy

    • 34
    • 41

    Rain Likely

    • 23
    • 42

    Partly Sunny

    • 29
    • 39

    Mostly Cloudy

Today 2 Feb Piatt

Mostly cloudy this Morning, then becoming partly sunny. Patchy fog this morning. Not as cool with Highs in the lower 50s. Southwest Winds 10 to 15 Mph.

Tonight 2 Feb Piatt

Mostly cloudy. Lows around 40. South Winds 5 to 10 Mph.

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Monticello Temperature Statistics

February Temperature

University of Illinois - Willard (15.5 miles)

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  • Average February

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Climate (2020–Present)

University of Illinois - Willard (15.5 miles)

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  • Average Low 2020–2025

    44 °F

  • Average 2020–2025

    54 °F

  • Average High 2020–2025

    64.2 °F
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