National Weather Service Forecast for: Hamilton OH
Issued by: National Weather Service Wilmington, OH
Updated: 7:06 pm EDT Jul 4, 2025
 
Tonight

Tonight: Mostly clear, with a low around 69. Calm wind.
Mostly Clear

 Saturday

Saturday: Sunny, with a high near 94. Calm wind becoming southwest around 5 mph in the afternoon.
Sunny

 Saturday
Night
Saturday Night: Mostly clear, with a low around 71. Calm wind.
Mostly Clear

 Sunday

Sunday: A slight chance of showers and thunderstorms after 2pm. Sunny, with a high near 93. Heat index values as high as 101. Calm wind becoming southwest 5 to 8 mph in the morning. Chance of precipitation is 20%.
Sunny then
Slight Chance
T-storms
 Sunday
Night
Sunday Night: Mostly clear, with a low around 71. West wind around 6 mph becoming calm in the evening.
Mostly Clear

 Monday

Monday: A chance of showers and thunderstorms. Partly sunny, with a high near 91. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Chance
T-storms
 Monday
Night
Monday Night: Partly cloudy, with a low around 70.
Partly Cloudy

 Tuesday

Tuesday: A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 90. Chance of precipitation is 30%.
Partly Sunny
then Chance
T-storms
 Tuesday
Night
Tuesday Night: A chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 70. Chance of precipitation is 30%.
Chance
T-storms then
Partly Cloudy
Lo 69 °F Hi 94 °F Lo 71 °F Hi 93 °F Lo 71 °F Hi 91 °F Lo 70 °F Hi 90 °F Lo 70 °F

Hazardous Weather Outlook
Air Quality Alert
 

Tonight
 
 Mostly clear, with a low around 69. Calm wind.
Saturday
 
 Sunny, with a high near 94. Calm wind becoming southwest around 5 mph in the afternoon.
Saturday Night
 
 Mostly clear, with a low around 71. Calm wind.
Sunday
 
 A slight chance of showers and thunderstorms after 2pm. Sunny, with a high near 93. Heat index values as high as 101. Calm wind becoming southwest 5 to 8 mph in the morning. Chance of precipitation is 20%.
Sunday Night
 
 Mostly clear, with a low around 71. West wind around 6 mph becoming calm in the evening.
Monday
 
 A chance of showers and thunderstorms. Partly sunny, with a high near 91. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday Night
 
 Partly cloudy, with a low around 70.
Tuesday
 
 A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 90. Chance of precipitation is 30%.
Tuesday Night
 
 A chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 70. Chance of precipitation is 30%.
Wednesday
 
 A chance of showers between 8am and 2pm, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 89. Chance of precipitation is 40%.
Wednesday Night
 
 A chance of showers and thunderstorms. Mostly cloudy, with a low around 69. Chance of precipitation is 40%.
Thursday
 
 A chance of showers and thunderstorms. Mostly cloudy, with a high near 87. Chance of precipitation is 50%.
Thursday Night
 
 A chance of showers and thunderstorms. Mostly cloudy, with a low around 68. Chance of precipitation is 30%.
Friday
 
 A chance of showers and thunderstorms. Mostly sunny, with a high near 89. Chance of precipitation is 50%.

 

Forecast from NOAA-NWS for Hamilton OH.