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Fostoria Weather Forecast
| TODAY | TONIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT |
 |  |  | |  |  | | |  |  |  |  |
| Partly Cloudy | Cloudy | Chance of Showers | Chance of Showers | Chance of Showers | Partly Cloudy | Cloudy | Cloudy | Mostly Cloudy | Chance of Showers | Chance of Showers | Mostly Cloudy |
| Hi: 70°FHi: 21°C | Lo: 49°FLo: 9°C | Hi: 69°FHi: 21°C | Lo: 50°FLo: 10°C | Hi: 69°FHi: 21°C | Lo: 45°FLo: 7°C | Hi: 61°FHi: 16°C | Lo: 45°FLo: 7°C | Hi: 61°FHi: 16°C | Lo: 45°FLo: 7°C | Hi: 65°FHi: 18°C | Lo: 45°FLo: 7°C |
| POP: 50% | POP: 30% | POP: 30% | POP: 50% | POP: 40% |
POP = Probability of Precipitation.
Weather Outlook Updated: 352 AM EDT Fri Sep 18 2026 
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Issued: 1210 PM EDT Fri Sep 18 2026
Key Messages
- Dry weather today with increasing clouds late in the day.
- Several rounds of showers and embedded thunderstorms are likely Saturday, Saturday night, and Sunday.
- A cool and cloudy pattern is expected through early next week.
Aviation
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Dry mid-levels and subsidence are in place over southeast Michigan. Northeast winds off Lake Huron are helping to moisten the low levels just enough to produce scattered low clouds (2500-5000 feet) early this afternoon. Low clouds are expected to mix out ...