Fostoria Weather Forecast

    • 74
    • 87

    Chance Rain Showers

    • 74
    • 92

    Partly Sunny

    • 73
    • 94

    Slight Chance Thunderstorms

    • 70
    • 90

    Chance Thunderstorms

    • 66
    • 85

    Slight Chance Thunderstorms

    • 61
    • 82

    Mostly Sunny

    • 60
    • 80

    Partly Sunny

Today 31 Aug Seneca

Mostly cloudy with a chance of Showers with a slight chance of Thunderstorms. Near steady temperature in the mid 80s. Southwest Winds around 10 Mph with Gusts up to 20 Mph. Chance of rain 40 percent.

Tonight 31 Aug Seneca

Mostly cloudy in the Evening, then becoming partly cloudy. A slight chance of Thunderstorms. A slight chance of Showers in the Evening, then a chance of Showers after midnight. Humid with Lows in the mid 70s. Southwest Winds around 10 Mph with Gusts up to 20 Mph. Chance of rain 40 percent.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Fostoria Temperature Statistics

August Temperature

Findlay, Findlay Airport (16.2 miles)

  • Lowest 24 August, 2026

    52 °F

  • Average August

    71.1 °F

  • Highest 8 August, 2026

    87.1 °F

Climate (2021–2026)

Findlay, Findlay Airport (16.2 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2021–2026

    44.5 °F

  • Average 2021–2026

    53.9 °F

  • Average High 2021–2026

    63.4 °F
Get WillyWeather+ to remove ads