Catonsville Weather Forecast

    • 63
    • 81

    Increasing Clouds

    • 64
    • 86

    Partly Sunny

    • 69
    • 91

    Mostly Sunny

    • 71
    • 92

    Partly Sunny

    • 63
    • 91

    Chance Thunderstorms

    • 54
    • 75

    Chance Rain Showers

Today 16 May Central and Southeast Howard

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

Tonight 16 May Central and Southeast Howard

Mostly cloudy. A slight chance of Showers in the evening. Lows in the lower 60s. Southwest Winds 5 to 10 Mph. Chance of rain 20 percent.

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Catonsville Temperature Statistics

May Temperature

Baltimore, Inner Harbor (6.2 miles)

  • Lowest 1 May, 2026

    46 °F

  • Average May

    61.8 °F

  • Highest 5 May, 2026

    86 °F

Climate (2022–Present)

Baltimore, Inner Harbor (6.2 miles)

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  • Average Low 2022–2026

    52.6 °F

  • Average 2022–2026

    59.8 °F

  • Average High 2022–2026

    67.5 °F
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