Jonestown Weather Forecast

    • 73
    • 80

    Chance Thunderstorms

    • 68
    • 81

    Slight Chance Rain Showers

    • 70
    • 87

    Mostly Sunny

    • 73
    • 87

    Partly Sunny

    • 72
    • 88

    Chance Rain Showers

    • 67
    • 88

    Slight Chance Thunderstorms

Today 20 Aug Southern Baltimore

Cloudy with scattered Showers with Areas of drizzle. Areas of fog. Highs in the mid 70s. Southeast Winds 5 to 10 Mph. Chance of rain 50 percent.

Tonight 20 Aug Southern Baltimore

Cloudy with a 50 percent chance of Showers. Lows in the upper 60s. Northeast Winds 5 to 10 Mph.

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Jonestown Temperature Statistics

August Temperature

Baltimore, Inner Harbor (0.6 miles)

  • Lowest 3 August, 2025

    66.9 °F

  • Average August

    80.8 °F

  • Highest 17 August, 2025

    98.1 °F

Climate (2022–Present)

Baltimore, Inner Harbor (0.6 miles)

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  • Average Low 2022–2025

    54.8 °F

  • Average 2022–2025

    62 °F

  • Average High 2022–2025

    69.7 °F
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