Monticello Weather Forecast

    • 33
    • 53

    Becoming Sunny

    • 52
    • 57

    Rain Showers

    • 44
    • 75

    Thunderstorms Likely

    • 42
    • 59

    Slight Chance Rain

    • 43
    • 59

    Chance Rain

    • 39
    • 56

    Chance Rain

Today 31 Mar Lewis

Cloudy late this Morning, then becoming partly sunny. Highs in the lower 50s. Northwest Winds around 10 Mph with Gusts up to 20 Mph.

Tonight 31 Mar Lewis

Mostly clear. Lows in the mid 30s. North Winds 5 to 10 Mph, becoming east after midnight.

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Monticello Temperature Statistics

March Temperature

Keokuk Municipal Airport (28 miles)

  • Lowest 2 March, 2025

    15.8 °F

  • Average March

    47.9 °F

  • Highest 14 March, 2025

    82.4 °F

Climate (2020–Present)

Keokuk Municipal Airport (28 miles)

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  • Average Low 2020–2025

    43.5 °F

  • Average 2020–2025

    53 °F

  • Average High 2020–2025

    62.5 °F
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