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

Overnight: Showers likely and possibly a thunderstorm.  Mostly cloudy, with a low around 66. Southwest wind around 10 mph, with gusts as high as 20 mph.  Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Showers
Likely

Monday

Monday: Showers and thunderstorms, mainly before 11am.  High near 78. Southwest wind 8 to 13 mph.  Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Showers then
Chance
Showers
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 79. North wind 3 to 7 mph.
Sunny

Tuesday
Night
Tuesday Night: Mostly clear, with a low around 57. Northwest wind around 6 mph becoming calm  in the evening.
Mostly Clear

Wednesday

Wednesday: Mostly sunny, with a high near 81.
Mostly Sunny

Wednesday
Night
Wednesday Night: A chance of showers.  Mostly cloudy, with a low around 63. Chance of precipitation is 30%.
Chance
Showers

Thursday

Thursday: A chance of showers and thunderstorms after 2pm.  Partly sunny, with a high near 83. 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 64. Chance of precipitation is 30%.
Chance
T-storms then
Chance
Showers
Lo 66 °F Hi 78 °F Lo 57 °F Hi 79 °F Lo 57 °F Hi 81 °F Lo 63 °F Hi 83 °F Lo 64 °F

 

Overnight
 
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 66. Southwest wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday
 
Showers and thunderstorms, mainly before 11am. High near 78. Southwest wind 8 to 13 mph. Chance of precipitation is 80%. 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 79. North wind 3 to 7 mph.
Tuesday Night
 
Mostly clear, with a low around 57. Northwest wind around 6 mph becoming calm in the evening.
Wednesday
 
Mostly sunny, with a high near 81.
Wednesday Night
 
A chance of showers. Mostly cloudy, with a low around 63. Chance of precipitation is 30%.
Thursday
 
A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 83. 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 64. Chance of precipitation is 30%.
Friday
 
A chance of showers and thunderstorms. 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 65. 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 Fairfield OH.