Monrovia Weather Forecast

    • 18
    • 54

    Rain

    • 24
    • 28

    Blustery

    • 25
    • 47

    Partly Sunny

    • 21
    • 35

    Partly Sunny

    • 36
    • 43

    Chance Rain

    • 42
    • 52

    Slight Chance Rain

    • 50
    • 56

    Chance Rain

Today 18 Dec Morgan

Showers with isolated Thunderstorms. Breezy with Highs in the mid 50s. South Winds 10 to 15 Mph, becoming southwest 15 to 25 Mph with Gusts up to 45 Mph. Chance of rain near 100 percent.

Tonight 18 Dec Morgan

Cloudy. A chance of rain and snow through Midnight, then snow likely toward daybreak. Little or no snow accumulation. Brisk and much Colder with Lows around 19. West Winds 15 to 25 Mph with Gusts up to 35 Mph. Chance of precipitation 60 percent.

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Monrovia Temperature Statistics

December Temperature

Indianapolis International Airport (14.3 miles)

  • Lowest 14 December, 2025

    -4 °F

  • Average December

    25.4 °F

  • Highest 9 December, 2025

    42.1 °F

Climate (2020–Present)

Indianapolis International Airport (14.3 miles)

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  • Average Low 2020–2025

    46.6 °F

  • Average 2020–2025

    55.4 °F

  • Average High 2020–2025

    64.7 °F
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