Monrovia Weather Forecast

    • 58
    • 86

    Partly Sunny

    • 58
    • 87

    Mostly Sunny

    • 61
    • 88

    Mostly Sunny

    • 62
    • 89

    Chance Rain Showers

    • 63
    • 83

    Chance Rain Showers

    • 63
    • 82

    Chance Rain Showers

Today 16 Sep Morgan

Mostly sunny. Highs in the mid 80s. Northeast Winds around 5 Mph.

Tonight 16 Sep Morgan

Clear. Lows in the upper 50s. Northwest Winds around 5 Mph, becoming northeast around 5 Mph toward daybreak.

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Monrovia Temperature Statistics

September Temperature

Indianapolis International Airport (14.3 miles)

  • Lowest 8 September, 2025

    48.9 °F

  • Average September

    67 °F

  • Highest 11 September, 2025

    84.9 °F

Climate (2020–Present)

Indianapolis International Airport (14.3 miles)

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  • Average Low 2020–2025

    46.5 °F

  • Average 2020–2025

    55.4 °F

  • Average High 2020–2025

    64.7 °F
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