MARION, OHIO (MARION COUNTY NOW)—Fair week in Marion County is shaping up to be a hot one, with increasingly warm afternoons expected as residents and visitors head to the fairgrounds for rides, livestock shows and evening events.

According to the National Weather Service, central Ohio will remain under a prolonged stretch of summer heat through the workweek, with highs climbing from near 90 Monday into the mid- and upper 90s by late week. Overnight temperatures are also expected to stay warm, reducing recovery time after hot afternoons. Fairgoers should plan for shade breaks, hydration and lighter clothing during peak daytime hours.

Marion forecast
Here’s the day-by-day outlook:

Monday, June 29: Mostly sunny and hot with a high near 90. A good opening day for fair activities, though afternoon heat will become noticeable. Light south winds.

Monday night: Mostly clear and warm with a low around 73. Comfortable conditions for evening fair entertainment.

Tuesday, June 30: Sunny and hotter with a high near 95. Visitors attending daytime exhibits or spending extended time near midway attractions should expect summer heat to intensify.

Tuesday night: Mostly clear and muggy with lows in the mid-70s.

Wednesday, July 1: Sunny and hot with highs near 95. Heat will become a bigger factor for livestock events, outdoor seating and afternoon crowds.

Wednesday night: Mostly clear and warm with lows around 76.

Thursday, July 2: Continued hot weather with temperatures reaching the mid-90s. Expect limited relief during the afternoon and early evening hours across the fairgrounds.

Thursday night: Mostly clear and warm with lows in the mid-70s.

Friday, July 3: Mostly sunny and hot with highs near 92, with a slight chance for showers or thunderstorms later in the day that could affect late fair activities.

Friday night: Warm and increasingly unsettled as showers and thunderstorms become more likely overnight. Low around the mid-70s. Fairgoers staying for evening concerts, grandstand events or late rides at the Marion County Fair should keep an eye on forecast updates and be prepared for changing conditions after sunset.

Saturday, July 4 (Independence Day): A mix of sun and clouds with a chance of showers and thunderstorms developing through the day. High near 88. Fairgoers heading to the Marion County Fair for holiday activities should plan for hot, humid conditions and keep rain gear nearby in case passing storms develop.

Saturday night: A chance of lingering showers and thunderstorms early, then partly cloudy and warm overnight with a low in the low 70s. Visitors staying for fireworks, concerts or late-night fair events should monitor conditions and have a sheltered option available if storms move through.

Tips

  • Bring refillable water bottles and take advantage of shaded areas at the fairgrounds.
  • Schedule walking exhibits, livestock barns and longer outdoor stays earlier in the day when possible.
  • Apply sunscreen regularly and wear lightweight clothing.
  • If attending with children or older adults, build in cooling breaks throughout the visit.
  • Check updated forecast information from the National Weather Service before heading out. NOAA Marion forecast