County Forecast for Marion , OH
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200700-
Marion-
Including the city of Marion
217 PM EDT Tue May 19 2026

This afternoon   Mostly sunny with a chance of showers and thunderstorms. Highs in the upper 80s. Southwest winds around 20 mph with gusts up to 30 mph. Chance of rain 40 percent.
Tonight   Showers with thunderstorms likely in the evening, then showers likely with a chance of thunderstorms after midnight. Humid with lows in the lower 60s. Southwest winds 15 to 20 mph with gusts up to 30 mph, becoming west around 10 mph with gusts up to 20 mph after midnight. Chance of rain 80 percent.
Wednesday   Mostly cloudy. A chance of showers in the morning, then showers likely in the afternoon. Much cooler. Less humid with highs in the lower 60s. North winds 10 to 15 mph. Chance of rain 70 percent.
Wednesday night   Mostly cloudy. Much cooler with lows in the mid 40s. Northeast winds 10 to 15 mph.
Thursday   Mostly sunny in the morning, then becoming partly cloudy. Highs in the mid 60s. Northeast winds 10 to 15 mph.
Thursday night   Partly cloudy in the evening, then becoming mostly cloudy. Lows in the lower 50s.
Friday   Showers likely in the morning, then showers in the afternoon. Highs in the upper 60s. Chance of rain 90 percent.
Friday night   Showers with a chance of thunderstorms. Lows around 60. Chance of rain 90 percent.
Saturday   A chance of thunderstorms. Showers. Highs in the mid 70s. Chance of rain 90 percent.
Saturday night   Mostly cloudy with a chance of thunderstorms. Showers likely, mainly in the evening. Lows around 60. Chance of rain 60 percent.
Sunday   Mostly cloudy with a chance of showers. A chance of thunderstorms in the afternoon. Highs in the upper 70s. Chance of rain 50 percent.
Sunday night   A chance of thunderstorms in the evening. Mostly cloudy with a chance of showers. Lows around 60. Chance of rain 50 percent.
Memorial day   Mostly cloudy in the morning, then partly sunny with a chance of showers in the afternoon. Highs around 80. Chance of rain 40 percent.
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Bryce Anderson image
Bryce Anderson – DTN Meteorologist
Front Slowly Pushing South Tuesday
Posted at 5:34AM Tue May 19, 2026 CDT
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