Marriottsville Weather Forecast

    • 68
    • 86

    Decreasing Clouds

    • 72
    • 90

    Mostly Sunny

    • 75
    • 96

    Slight Chance Thunderstorms

    • 73
    • 92

    Chance Thunderstorms

    • 72
    • 90

    Rain Showers Likely

    • 71
    • 90

    Chance Rain Showers

Today 23 Jul Northwest Howard

Mostly sunny. Isolated Showers this morning. Highs in the mid 80s. Southeast Winds around 5 Mph. Chance of rain 20 percent.

Tonight 23 Jul Northwest Howard

Mostly clear in the Evening, then becoming partly cloudy. Lows in the upper 60s. South Winds around 5 Mph.

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Marriottsville Temperature Statistics

July Temperature

Baltimore, Inner Harbor (15.5 miles)

  • Lowest 6 July, 2025

    72 °F

  • Average July

    84.7 °F

  • Highest 8 July, 2025

    99 °F

Climate (2022–Present)

Baltimore, Inner Harbor (15.5 miles)

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  • Average Low 2022–2025

    54.2 °F

  • Average 2022–2025

    61.4 °F

  • Average High 2022–2025

    69.1 °F
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