National Weather Service Forecast for: Dayton OH
Issued by: National Weather Service Wilmington, OH
Updated: 1:13 am EDT Jul 6, 2025
 
Overnight

Overnight: Clear, with a low around 72. Calm wind.
Clear

 Sunday

Sunday: Sunny, with a high near 94. Heat index values as high as 100. Light south wind becoming southwest 5 to 10 mph in the morning.
Sunny

 Sunday
Night
Sunday Night: A slight chance of showers and thunderstorms before midnight, then a slight chance of showers between midnight and 1am. Partly cloudy, with a low around 73. Southwest wind around 6 mph becoming calm in the evening. Chance of precipitation is 20%.
Mostly Clear
then Slight
Chance
Showers
 Monday

Monday: A slight chance of showers and thunderstorms, then showers and possibly a thunderstorm after 8am. High near 88. Light southwest wind becoming west 5 to 9 mph in the morning. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Showers
Likely then
T-storms
 Monday
Night
Monday Night: Showers and possibly a thunderstorm before 8pm, then a slight chance of showers and thunderstorms between 8pm and 2am, then a slight chance of showers after 2am. Low around 69. Northwest wind around 6 mph becoming calm in the evening. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
T-storms then
Slight Chance
T-storms
 Tuesday

Tuesday: A slight chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 88. Chance of precipitation is 20%.
Slight Chance
Showers then
Slight Chance
T-storms
 Tuesday
Night
Tuesday Night: Mostly cloudy, with a low around 69.
Mostly Cloudy

 Wednesday

Wednesday: A chance of showers and thunderstorms after 2pm. Mostly cloudy, with a high near 89. Chance of precipitation is 40%.
Mostly Cloudy
then Chance
T-storms
 Wednesday
Night
Wednesday Night: A chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and 2am. Mostly cloudy, with a low around 69. Chance of precipitation is 30%.
Chance
T-storms then
Chance
Showers
Lo 72 °F Hi 94 °F Lo 73 °F Hi 88 °F Lo 69 °F Hi 88 °F Lo 69 °F Hi 89 °F Lo 69 °F

 

Overnight
 
 Clear, with a low around 72. Calm wind.
Sunday
 
 Sunny, with a high near 94. Heat index values as high as 100. Light south wind becoming southwest 5 to 10 mph in the morning.
Sunday Night
 
 A slight chance of showers and thunderstorms before midnight, then a slight chance of showers between midnight and 1am. Partly cloudy, with a low around 73. Southwest wind around 6 mph becoming calm in the evening. Chance of precipitation is 20%.
Monday
 
 A slight chance of showers and thunderstorms, then showers and possibly a thunderstorm after 8am. High near 88. Light southwest wind becoming west 5 to 9 mph in the morning. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Monday Night
 
 Showers and possibly a thunderstorm before 8pm, then a slight chance of showers and thunderstorms between 8pm and 2am, then a slight chance of showers after 2am. Low around 69. Northwest wind around 6 mph becoming calm in the evening. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday
 
 A slight chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 88. Chance of precipitation is 20%.
Tuesday Night
 
 Mostly cloudy, with a low around 69.
Wednesday
 
 A chance of showers and thunderstorms after 2pm. Mostly cloudy, with a high near 89. Chance of precipitation is 40%.
Wednesday Night
 
 A chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and 2am. Mostly cloudy, with a low around 69. Chance of precipitation is 30%.
Thursday
 
 Showers likely and possibly a thunderstorm, mainly after 2pm. Mostly cloudy, with a high near 87. Chance of precipitation is 60%.
Thursday Night
 
 Showers likely and possibly a thunderstorm. Partly cloudy, with a low around 69. Chance of precipitation is 60%.
Friday
 
 A chance of showers and thunderstorms. Mostly sunny, with a high near 89. Chance of precipitation is 50%.
Friday Night
 
 A chance of showers and thunderstorms. Partly cloudy, with a low around 71. Chance of precipitation is 30%.
Saturday
 
 Showers likely and possibly a thunderstorm. Mostly sunny, with a high near 87. Chance of precipitation is 60%.

 

Forecast from NOAA-NWS for Dayton OH.