Arnold Weather Forecast

    • 67
    • 82

    Slight Chance Rain Showers

    • 62
    • 80

    Mostly Sunny

    • 63
    • 80

    Mostly Sunny

    • 66
    • 84

    Partly Sunny

    • 73
    • 88

    Partly Sunny

    • 67
    • 91

    Slight Chance Thunderstorms

Today 5 Sep Anne Arundel

Mostly cloudy. A slight chance of Showers in the Morning, then a slight chance of Showers and Thunderstorms in the afternoon. Highs in the lower 80s. North Winds 5 to 10 Mph. Chance of rain 20 percent.

Tonight 5 Sep Anne Arundel

Mostly cloudy. Lows in the lower 70s. Northwest Winds around 5 Mph.

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Arnold Temperature Statistics

September Temperature

Annapolis, United States Naval Academy (2.5 miles)

  • Lowest 2 September, 2026

    73 °F

  • Average September

    80.6 °F

  • Highest 1 September, 2026

    93.7 °F

Climate (2021–2026)

Annapolis, United States Naval Academy (2.5 miles)

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  • Average Low 2021–2026

    52.4 °F

  • Average 2021–2026

    59.4 °F

  • Average High 2021–2026

    66.4 °F
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