Marriottsville Weather Forecast

    • 59
    • 82

    Increasing Clouds

    • 64
    • 77

    Slight Chance Rain Showers

    • 64
    • 80

    Rain Showers Likely

    • 59
    • 73

    Chance Rain Showers

    • 53
    • 63

    Rain Showers Likely

    • 52
    • 61

    Chance Rain Showers

Today 18 Sep Northwest Howard

Mostly sunny. Highs in the lower 80s. North Winds 5 to 10 Mph.

Tonight 18 Sep Northwest Howard

Mostly clear in the Evening, then becoming partly cloudy. Lows in the upper 50s. Northeast Winds around 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Marriottsville Temperature Statistics

September Temperature

Baltimore, Inner Harbor (15.5 miles)

  • Lowest 15 September, 2026

    60.1 °F

  • Average September

    77.8 °F

  • Highest 1 September, 2026

    96.1 °F

Climate (2022–2026)

Baltimore, Inner Harbor (15.5 miles)

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  • Average Low 2022–2026

    54.1 °F

  • Average 2022–2026

    61.4 °F

  • Average High 2022–2026

    69.1 °F
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