County Forecast for Fostoria , OH
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221200-
Seneca-
Including the cities of Tiffin and Fostoria
719 PM EDT Tue Jul 21 2026

Tonight   Mostly clear this evening, then becoming partly cloudy. Cooler with lows in the mid 50s. Northwest winds 10 to 15 mph with gusts up to 25 mph.
Wednesday   Partly cloudy. Cooler. Less humid with highs in the lower 70s. Northwest winds around 10 mph.
Wednesday night   Mostly clear. Lows in the mid 50s. West winds around 5 mph.
Thursday   Sunny. Highs in the mid 70s. North winds around 5 mph.
Thursday night   Mostly clear. Lows in the mid 50s. East winds around 5 mph.
Friday   Partly cloudy. Highs in the upper 70s.
Friday night   Partly cloudy. Lows around 60.
Saturday   Partly cloudy in the morning, then clearing. Highs in the lower 80s.
Saturday night   Mostly clear. Lows in the mid 60s.
Sunday   Partly cloudy. A chance of showers and thunderstorms in the afternoon. Highs in the mid 80s. Chance of rain 40 percent.
Sunday night   A chance of thunderstorms in the evening. Mostly cloudy with a chance of showers. Lows in the upper 60s. Chance of rain 50 percent.
Monday   Partly sunny with a chance of showers. Highs in the mid 80s. Chance of rain 50 percent.
Monday night   Mostly cloudy with a chance of showers. Lows in the upper 60s. Chance of rain 40 percent.
Tuesday   Partly cloudy. Highs in the lower 80s.
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Bryce Anderson image
Bryce Anderson – DTN Meteorologist
Front Continues South, Rain Develops in Central Plains Wednesday
Posted at 11:51AM Tue Jul 21, 2026 CDT
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