Chesapeake Harbor Weather Forecast

    • 72
    • 83

    Rain Showers

    • 73
    • 81

    Rain Showers Likely

    • 72
    • 81

    Rain Showers Likely

    • 71
    • 84

    Slight Chance Thunderstorms

    • 70
    • 83

    Mostly Sunny

    • 71
    • 82

    Slight Chance Rain Showers

Today 20 Aug Anne Arundel

Mostly sunny with a slight chance of Showers and Thunderstorms in the Morning, then mostly cloudy with Showers likely with a chance of Thunderstorms in the afternoon. Highs in the mid 80s. East Winds around 5 Mph, becoming south around 5 Mph in the afternoon. Chance of rain 70 percent.

Tonight 20 Aug Anne Arundel

Mostly cloudy. A chance of Showers and Thunderstorms in the Evening, then a chance of Showers after midnight. Lows in the upper 60s. North Winds around 5 Mph. Chance of rain 50 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Chesapeake Harbor Temperature Statistics

August Temperature

Annapolis, United States Naval Academy (1.9 miles)

  • Lowest 1 August, 2026

    71.7 °F

  • Average August

    80.8 °F

  • Highest 9 August, 2026

    91.7 °F

Climate (2021–2026)

Annapolis, United States Naval Academy (1.9 miles)

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  • Average Low 2021–2026

    52.5 °F

  • Average 2021–2026

    59.4 °F

  • Average High 2021–2026

    66.4 °F
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