National Weather Service Forecast for: Hamilton OH
Issued by: National Weather Service Wilmington, OH
Updated: 4:00 am EDT Jun 22, 2026
 
Overnight

Overnight: A chance of showers and thunderstorms. Mostly cloudy, with a low around 65. Southwest wind around 9 mph, with gusts as high as 20 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Chance
T-storms

 Monday

Monday: Showers and thunderstorms likely before 11am, then a chance of showers between 11am and 2pm, then a chance of showers and thunderstorms after 2pm. Mostly cloudy, with a high near 78. Southwest wind 8 to 13 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Showers
Likely

 Monday
Night
Monday Night: Cloudy, then gradually becoming partly cloudy, with a low around 57. North wind 6 to 11 mph becoming light after midnight.
Decreasing
Clouds

 Tuesday

Tuesday: Sunny, with a high near 80. North wind 3 to 8 mph.
Sunny

 Tuesday
Night
Tuesday Night: Mostly clear, with a low around 56. Northwest wind around 5 mph becoming calm in the evening.
Mostly Clear

 Wednesday

Wednesday: Mostly sunny, with a high near 82.
Mostly Sunny

 Wednesday
Night
Wednesday Night: A chance of showers. Mostly cloudy, with a low around 63. Chance of precipitation is 40%.
Chance
Showers

 Thursday

Thursday: A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 84. Chance of precipitation is 50%.
Partly Sunny
then Chance
T-storms
 Thursday
Night
Thursday Night: A chance of showers and thunderstorms before 8pm, then a chance of showers after 2am. Mostly cloudy, with a low around 63. Chance of precipitation is 30%.
Chance
T-storms then
Chance
Showers
Lo 65 °F Hi 78 °F Lo 57 °F Hi 80 °F Lo 56 °F Hi 82 °F Lo 63 °F Hi 84 °F Lo 63 °F

 

Overnight
 
 A chance of showers and thunderstorms. Mostly cloudy, with a low around 65. Southwest wind around 9 mph, with gusts as high as 20 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday
 
 Showers and thunderstorms likely before 11am, then a chance of showers between 11am and 2pm, then a chance of showers and thunderstorms after 2pm. Mostly cloudy, with a high near 78. Southwest wind 8 to 13 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Monday Night
 
 Cloudy, then gradually becoming partly cloudy, with a low around 57. North wind 6 to 11 mph becoming light after midnight.
Tuesday
 
 Sunny, with a high near 80. North wind 3 to 8 mph.
Tuesday Night
 
 Mostly clear, with a low around 56. Northwest wind around 5 mph becoming calm in the evening.
Wednesday
 
 Mostly sunny, with a high near 82.
Wednesday Night
 
 A chance of showers. Mostly cloudy, with a low around 63. Chance of precipitation is 40%.
Thursday
 
 A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 84. Chance of precipitation is 50%.
Thursday Night
 
 A chance of showers and thunderstorms before 8pm, then a chance of showers after 2am. Mostly cloudy, with a low around 63. Chance of precipitation is 30%.
Friday
 
 A chance of showers before 8am, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 82. Chance of precipitation is 40%.
Friday Night
 
 A chance of showers and thunderstorms. Mostly cloudy, with a low around 64. Chance of precipitation is 50%.
Saturday
 
 A chance of showers and thunderstorms. Mostly cloudy, with a high near 83. Chance of precipitation is 50%.
Saturday Night
 
 A chance of showers and thunderstorms. Mostly cloudy, with a low around 67. Chance of precipitation is 40%.
Sunday
 
 A chance of thunderstorms. Partly sunny, with a high near 88. Chance of precipitation is 30%.

 

Forecast from NOAA-NWS for Hamilton OH.