Charlotte Hall Weather Forecast

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    Rain Showers Likely

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    Rain Showers Likely

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    • 63

    Rain Showers Likely

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    Rain Showers Likely

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    Rain Showers Likely

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    Rain Showers Likely

Today 20 May St. Marys

Sunny. A chance of Showers and Thunderstorms in the afternoon. Hot with Highs in the lower 90s. Southwest Winds 5 to 10 Mph. Chance of rain 50 percent.

Tonight 20 May St. Marys

A chance of Showers and Thunderstorms in the Evening, then Showers likely with a slight chance of Thunderstorms after midnight. Lows in the lower 60s. North Winds 5 to 10 Mph. Chance of rain 60 percent.

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Charlotte Hall Temperature Statistics

May Temperature

St Marys County Airport (16.8 miles)

  • Lowest 1 May, 2026

    39.9 °F

  • Average May

    61.2 °F

  • Highest 17 May, 2026

    87.4 °F

Climate (2021–Present)

St Marys County Airport (16.8 miles)

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  • Average Low 2021–2026

    49.3 °F

  • Average 2021–2026

    58 °F

  • Average High 2021–2026

    66.7 °F
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