Catonsville Weather Forecast

    • 69
    • 87

    Mostly Sunny

    • 60
    • 87

    Rain Showers Likely

    • 54
    • 74

    Partly Sunny

    • 53
    • 73

    Partly Sunny

    • 53
    • 74

    Partly Sunny

    • 55
    • 75

    Mostly Cloudy

Today 5 Sep Central and Southeast Howard

Sunny. Highs in the mid 80s. Southwest Winds 5 to 10 Mph.

Tonight 5 Sep Central and Southeast Howard

Mostly clear. Lows in the upper 60s. South Winds around 5 Mph.

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Catonsville Temperature Statistics

September Temperature

Baltimore, Inner Harbor (6.2 miles)

  • Lowest 1 September, 2025

    62.1 °F

  • Average September

    71 °F

  • Highest 1 September, 2025

    81 °F

Climate (2022–Present)

Baltimore, Inner Harbor (6.2 miles)

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  • Average Low 2022–2025

    54.9 °F

  • Average 2022–2025

    62.1 °F

  • Average High 2022–2025

    69.8 °F
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