Riverdale Weather Forecast

    • 69
    • 84

    Chance Thunderstorms

    • 64
    • 77

    Chance Rain Showers

    • 63
    • 81

    Mostly Sunny

    • 67
    • 82

    Partly Sunny

    • 66
    • 82

    Chance Rain Showers

    • 62
    • 83

    Slight Chance Thunderstorms

Today 20 Aug Anne Arundel

Mostly cloudy with a slight chance of Showers with patchy drizzle in the Morning, then partly sunny with a chance of Showers and Thunderstorms in the afternoon. Highs in the mid 80s. Southeast Winds 5 to 10 Mph. Chance of rain 40 percent.

Tonight 20 Aug Anne Arundel

Mostly cloudy with a chance of Showers. A chance of Thunderstorms, mainly in the evening. Lows in the upper 60s. East Winds 10 to 15 Mph. Chance of rain 40 percent.

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Riverdale Temperature Statistics

August Temperature

Annapolis, United States Naval Academy (7.5 miles)

  • Lowest 10 August, 2025

    64.7 °F

  • Average August

    76.5 °F

  • Highest 17 August, 2025

    89.1 °F

Climate (2020–Present)

Annapolis, United States Naval Academy (7.5 miles)

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  • Average Low 2020–2025

    52.7 °F

  • Average 2020–2025

    59.5 °F

  • Average High 2020–2025

    66.4 °F
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