Hammonds Promise, Maryland Weather
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Weather Forecast for Hammonds Promise, Maryland : Howard County
Issued: 7:29 am EDT Jun 25, 2025 Latitude: 39.1273303 Longitude: -76.8483064 View on Google Maps

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Today Tonight Thursday Friday Saturday Sunday Monday Tuesday
20% chance of thunderstorms on Today 30% chance of thunderstorms on Tonight 70% chance of thunderstorms on Thursday 50% chance of thunderstorms on Friday 50% chance of thunderstorms on Saturday 50% chance of thunderstorms on Sunday 60% chance of thunderstorms on Monday 60% chance of thunderstorms on Tuesday
High: 97°F Low: 76°F High: 93°F High: 80°F High: 90°F High: 90°F High: 90°F High: 91°F
Low: 70°F Low: 71°F Low: 72°F Low: 73°F Low: 74°F  
Thunderstorms Thunderstorms Thunderstorms Thunderstorms Thunderstorms Thunderstorms Thunderstorms Thunderstorms
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20% chance of thunderstorms Today Today... Isolated showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 97. Heat index values as high as 107. Calm wind becoming northwest around 5 mph in the afternoon. Chance of precipitation is 20%.
30% chance of thunderstorms Tonight Tonight... Scattered showers and thunderstorms before 2am, then isolated showers between 2am and 3am. Partly cloudy, with a low around 76. Calm wind. Chance of precipitation is 30%.
70% chance of thunderstorms Thursday Thursday... A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Mostly sunny, with a high near 93. Heat index values as high as 103. Calm wind becoming east around 5 mph in the afternoon. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
70% chance of thunderstorms Thursday Night Thursday Night... Showers likely and possibly a thunderstorm before 2am, then a chance of showers and thunderstorms after 2am. Mostly cloudy, with a low around 70. East wind 3 to 5 mph. Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.
50% chance of thunderstorms Friday Friday... A chance of showers and thunderstorms, mainly after 2pm. Mostly cloudy, with a high near 80. East wind around 7 mph. Chance of precipitation is 50%.
30% chance of thunderstorms Friday Night Friday Night... A chance of showers and thunderstorms, mainly before 2am. Mostly cloudy, with a low around 71. Chance of precipitation is 30%.
50% chance of thunderstorms Saturday Saturday... A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 90. Chance of precipitation is 50%.
30% chance of thunderstorms Saturday Night Saturday Night... A chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 72. Chance of precipitation is 30%.
50% chance of thunderstorms Sunday Sunday... A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 90. Chance of precipitation is 50%.
30% chance of thunderstorms Sunday Night Sunday Night... A chance of showers and thunderstorms before 8pm. Mostly cloudy, with a low around 73. Chance of precipitation is 30%.
60% chance of thunderstorms Monday Monday... Showers likely and possibly a thunderstorm. Mostly sunny, with a high near 90. Chance of precipitation is 60%.
60% chance of thunderstorms Monday Night Monday Night... Showers and thunderstorms likely. 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 91. Chance of precipitation is 60%.
Sun Almanac for Hammonds Promise, Maryland
Sunrise: 05:43 AM
Sunset: 8:37 PM
Civil Sunrise:05:11 AM
Civil Sunset: 9:10 PM
Nautical Sunrise: 04:30 AM
Nautical Sunset: 9:50 PM
Astro Sunrise: 03:43 AM
Astro Sunset: 10:37 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.