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20634 Weather (Great Mills, MD)

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Clear at Great Mills (20634), temperature is 78°F26°C, dew point 73°F23°C, humidity 84%. Wind direction is SSW at 7 mphat 11 km/h with visibility of 10 mi16 km. Barometric pressure is 30.08 in1018 mb. Last update: 12:42 am.*
*Time is approximately 12:42 am Mon, Aug 31, 2026. Time will be within 15 minutes of current local time. Great Mills weather forecast data is updated every 15 minutes.

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Great Mills MD Weather - 12:42 am

Great Mills Weather Forecast

Weather forecast for: Great Mills MD
Last Update: 10:52 pm EDT Aug 30, 2026
Overnight: Mostly cloudy, with a low around 73. Southwest wind around 6 mph.
Monday: Mostly sunny, with a high near 89. Light and variable wind.
Monday Night: Partly cloudy, with a low around 75. Light and variable wind.
Tuesday: A slight chance of showers after 2pm. Mostly sunny, with a high near 93. Heat index values as high as 100. Southwest wind 3 to 5 mph. Chance of precipitation is 20%.
Tuesday Night: A slight chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 77. Southwest wind 3 to 5 mph. Chance of precipitation is 20%.
Wednesday: A slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 92. Chance of precipitation is 20%.
Wednesday Night: Partly cloudy, with a low around 77.
Thursday: A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 94. Chance of precipitation is 40%.
Thursday Night: A chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 74. Chance of precipitation is 40%.
Friday: A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 88. Chance of precipitation is 50%.
Friday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 69. Chance of precipitation is 40%.
Saturday: A chance of showers and thunderstorms. Mostly sunny, with a high near 84. Chance of precipitation is 30%.
Saturday Night: A chance of showers and thunderstorms. Partly cloudy, with a low around 66. Chance of precipitation is 30%.
Sunday: A slight chance of showers and thunderstorms. Mostly sunny, with a high near 82. Chance of precipitation is 20%.

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