Monrovia Weather Forecast

    • 59
    • 65

    Cloudy

    • 52
    • 72

    Partly Sunny

    • 49
    • 71

    Partly Sunny

    • 51
    • 73

    Partly Sunny

    • 50
    • 73

    Partly Sunny

    • 53
    • 76

    Partly Sunny

    • 63
    • 81

    Chance Rain Showers

Today 23 Sep Morgan

Mostly cloudy with a 50 percent chance of Showers. Highs in the upper 70s.

Tonight 23 Sep Morgan

Cloudy with a slight chance of drizzle. Lows in the upper 50s. Northeast Winds 5 to 10 Mph. Gusts up to 20 Mph late this afternoon.

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Monrovia Temperature Statistics

September Temperature

Indianapolis International Airport (14.3 miles)

  • Lowest 14 September, 2026

    58.6 °F

  • Average September

    78.6 °F

  • Highest 4 September, 2026

    97.6 °F

Climate (2021–2026)

Indianapolis International Airport (14.3 miles)

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  • Average Low 2021–2026

    46.8 °F

  • Average 2021–2026

    55.8 °F

  • Average High 2021–2026

    65.3 °F
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