Fostoria, OH Weather & Growing Conditions
Today
83°F
Sunny
Sunny, with a high near 83. Southeast wind around 2 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 83°F | Sunny | 2 mph SE | 0% |
| Tonight | 62°F | Mostly Clear | 2 mph E | 0% |
| Wednesday | 86°F | Sunny | 1 to 6 mph SW | 1% |
| Wednesday Night | 66°F | Mostly Clear | 5 mph SW | 6% |
| Thursday | 85°F | Mostly Sunny then Chance Showers And Thunderstorms | 5 to 8 mph SW | 51% |
| Thursday Night | 67°F | Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 2 to 7 mph SW | 57% |
| Friday | 84°F | Showers And Thunderstorms Likely then Chance Showers And Thunderstorms | 3 to 8 mph SW | 57% |
| Friday Night | 66°F | Chance Showers And Thunderstorms | 6 mph SW | 42% |
| Saturday | 85°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 5 to 9 mph SW | 16% |
| Saturday Night | 68°F | Slight Chance Showers And Thunderstorms | 5 to 8 mph SW | 18% |
| Sunday | 87°F | Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms | 7 to 16 mph SW | 18% |
| Sunday Night | 70°F | Chance Showers And Thunderstorms | 9 to 15 mph SW | 35% |
| Monday | 87°F | Chance Rain Showers | 14 mph SW | 38% |
| Monday Night | 69°F | Chance Showers And Thunderstorms | 8 to 12 mph SW | 49% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Fostoria, OH
Last spring frost
Apr 23
First fall frost
Oct 23
Growing season
184 days
Hardiness zone
6b
Explore more for Fostoria, OH: full frost dates · planting calendar · Ohio frost dates
Climate data from the nearest NOAA station, Tiffin, Oh (12.6 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.