National Weather Service Forecast for: Fairfield OH
Issued by: National Weather Service Wilmington, OH
Updated: 4:00 pm EDT Jul 28, 2026
 
Tonight

Tonight: Patchy fog after 4am. Otherwise, mostly clear, with a low around 64. North wind 5 to 10 mph becoming light after midnight.
Partly Cloudy
then Patchy
Fog
 Wednesday

Wednesday: Patchy fog before 9am. Otherwise, sunny, with a high near 83. Calm wind becoming north 5 to 9 mph in the morning.
Patchy Fog
then Sunny
 Wednesday
Night
Wednesday Night: Clear, with a low around 60. North wind around 6 mph becoming calm in the evening.
Clear

 Thursday

Thursday: Sunny, with a high near 84. Calm wind becoming north 5 to 7 mph in the afternoon.
Sunny

 Thursday
Night
Thursday Night: Mostly clear, with a low around 62. Light north wind.
Mostly Clear

 Friday

Friday: Mostly sunny, with a high near 86.
Mostly Sunny

 Friday
Night
Friday Night: Mostly cloudy, with a low around 67.
Mostly Cloudy

 Saturday

Saturday: A chance of showers and thunderstorms after 2pm. Mostly cloudy, with a high near 85. Chance of precipitation is 50%.
Mostly Cloudy
then Chance
T-storms
 Saturday
Night
Saturday Night: A chance of showers and thunderstorms 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 67. Chance of precipitation is 60%.
Showers
Likely
Lo 64 °F Hi 83 °F Lo 60 °F Hi 84 °F Lo 62 °F Hi 86 °F Lo 67 °F Hi 85 °F Lo 67 °F

 

Tonight
 
 Patchy fog after 4am. Otherwise, mostly clear, with a low around 64. North wind 5 to 10 mph becoming light after midnight.
Wednesday
 
 Patchy fog before 9am. Otherwise, sunny, with a high near 83. Calm wind becoming north 5 to 9 mph in the morning.
Wednesday Night
 
 Clear, with a low around 60. North wind around 6 mph becoming calm in the evening.
Thursday
 
 Sunny, with a high near 84. Calm wind becoming north 5 to 7 mph in the afternoon.
Thursday Night
 
 Mostly clear, with a low around 62. Light north wind.
Friday
 
 Mostly sunny, with a high near 86.
Friday Night
 
 Mostly cloudy, with a low around 67.
Saturday
 
 A chance of showers and thunderstorms after 2pm. Mostly cloudy, with a high near 85. Chance of precipitation is 50%.
Saturday Night
 
 A chance of showers and thunderstorms 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 67. Chance of precipitation is 60%.
Sunday
 
 A chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 83. Chance of precipitation is 50%.
Sunday Night
 
 A chance of showers and thunderstorms. Partly cloudy, with a low around 67. Chance of precipitation is 30%.
Monday
 
 A chance of showers and thunderstorms. Mostly sunny, with a high near 85. Chance of precipitation is 40%.
Monday Night
 
 A chance of showers and thunderstorms. Partly cloudy, with a low around 67. Chance of precipitation is 30%.
Tuesday
 
 A chance of showers and thunderstorms. Mostly sunny, with a high near 87. Chance of precipitation is 30%.

 

Forecast from NOAA-NWS for Fairfield OH.