Knowles, Maryland Weather
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Weather Forecast for Knowles, Maryland : Frederick County
Issued: 4:29 pm EDT Jun 25, 2025 Latitude: 39.5953767 Longitude: -77.4224866 View on Google Maps

MouseOver for Detail Forecast
Tonight Thursday Friday Saturday Sunday Monday Tuesday Wednesday
30% chance of thunderstorms on Tonight 80% chance of thunderstorms on Thursday 50% chance of thunderstorms on Friday 60% chance of thunderstorms on Saturday 50% chance of thunderstorms on Sunday 60% chance of thunderstorms on Monday 60% chance of thunderstorms on Tuesday Mostly Sunny on Wednesday
Low: 75°F High: 89°F High: 82°F High: 89°F High: 87°F High: 88°F High: 89°F High: 87°F
Low: 71°F Low: 71°F Low: 72°F Low: 72°F Low: 74°F Low: 71°F  
Thunderstorms Thunderstorms Thunderstorms Thunderstorms Thunderstorms Thunderstorms Thunderstorms Mostly Sunny
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Current Conditions at
CARROLL CNTY ARPT - (KDMW)
84°
Clear
as of 5:40 PM EDST
Rel. Humidity: 62%
Dew Point: 70°F
Visibility: 10 Miles
Pressure: 30.05 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Clear
30% chance of thunderstorms Tonight Tonight... Scattered showers and thunderstorms before 5am, then a slight chance of showers. Partly cloudy, with a low around 75. Calm wind. Chance of precipitation is 30%.
80% chance of thunderstorms Thursday Thursday... Showers and thunderstorms likely, then showers and possibly a thunderstorm after 5pm. High near 89. Heat index values as high as 100. Calm wind. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
60% chance of thunderstorms Thursday Night Thursday Night... Showers and thunderstorms likely before 8pm, then showers likely and possibly a thunderstorm between 8pm and 2am, then a chance of showers after 2am. Mostly cloudy, with a low around 71. Calm wind. Chance of precipitation is 60%. New rainfall amounts between a half and three quarters of an inch possible.
50% chance of thunderstorms Friday Friday... A chance of showers, with thunderstorms also possible after 11am. Mostly cloudy, with a high near 82. Light southeast wind. Chance of precipitation is 50%.
40% chance of thunderstorms Friday Night Friday Night... A chance of showers and thunderstorms before 11pm, then a chance of showers between 11pm and 2am. Mostly cloudy, with a low around 71. Calm wind. Chance of precipitation is 40%.
60% chance of thunderstorms Saturday Saturday... Showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 89. Chance of precipitation is 60%.
60% chance of thunderstorms Saturday Night Saturday Night... Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am. Mostly cloudy, with a low around 72. Chance of precipitation is 60%.
50% chance of thunderstorms Sunday Sunday... A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 87. Chance of precipitation is 50%.
30% chance of thunderstorms Sunday Night Sunday Night... A chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and 2am. Partly cloudy, with a low around 72. Chance of precipitation is 30%.
60% chance of thunderstorms Monday Monday... Showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 88. Chance of precipitation is 60%.
60% chance of thunderstorms Monday Night Monday Night... Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 74. Chance of precipitation is 60%.
60% chance of thunderstorms Tuesday Tuesday... Showers likely and possibly a thunderstorm. Partly sunny, with a high near 89. Chance of precipitation is 60%.
60% chance of thunderstorms Tuesday Night Tuesday Night... Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 71. Chance of precipitation is 60%.
Mostly Sunny on Wednesday Wednesday... Mostly sunny, with a high near 87.
Sun Almanac for Knowles, Maryland
Sunrise: 05:44 AM
Sunset: 8:41 PM
Civil Sunrise:05:11 AM
Civil Sunset: 9:14 PM
Nautical Sunrise: 04:30 AM
Nautical Sunset: 9:55 PM
Astro Sunrise: 03:42 AM
Astro Sunset: 10:43 PM
Any use of the information on this page is at your own risk. This information should not be relied upon in life-threatening situations, potential financial loss situations or in lieu of any officially disseminated information. Visit the National Weather Service for official information.