Catonsville Weather Forecast

    • 64
    • 79

    Mostly Sunny

    • 62
    • 80

    Partly Sunny

    • 61
    • 79

    Partly Sunny

    • 64
    • 83

    Partly Sunny

    • 72
    • 86

    Mostly Sunny

    • 65
    • 87

    Slight Chance Thunderstorms

    • 61
    • 79

    Mostly Sunny

Today 5 Sep Central and Southeast Howard

Partly sunny. Highs around 80. North Winds around 5 Mph.

Tonight 5 Sep Central and Southeast Howard

Partly cloudy in the Evening, then clearing. Lows in the lower 60s. North Winds around 5 Mph.

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Catonsville Temperature Statistics

September Temperature

Baltimore, Inner Harbor (6.2 miles)

  • Lowest 2 September, 2026

    73 °F

  • Average September

    81.5 °F

  • Highest 1 September, 2026

    96.1 °F

Climate (2022–2026)

Baltimore, Inner Harbor (6.2 miles)

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  • Average Low 2022–2026

    54 °F

  • Average 2022–2026

    61.2 °F

  • Average High 2022–2026

    68.9 °F
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