Granville Weather Forecast

    • 57
    • 89

    Sunny

    • 57
    • 86

    Mostly Sunny

    • 61
    • 90

    Partly Sunny

    • 61
    • 85

    Chance Thunderstorms

    • 63
    • 84

    Chance Rain Showers

    • 64
    • 83

    Chance Rain Showers

    • 61
    • 82

    Chance Rain Showers

Today 16 Sep Putnam

Sunny. Highs in the upper 80s. East Winds around 5 Mph.

Tonight 16 Sep Putnam

Clear. Areas of fog after midnight. Lows in the mid 50s. East Winds around 5 Mph.

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Granville Temperature Statistics

September Temperature

Illinois Valley Regional Airport (7.5 miles)

  • Lowest 7 September, 2025

    39.6 °F

  • Average September

    64.1 °F

  • Highest 14 September, 2025

    91.6 °F

Climate (2020–Present)

Illinois Valley Regional Airport (7.5 miles)

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  • Average Low 2020–2025

    43.1 °F

  • Average 2020–2025

    52.6 °F

  • Average High 2020–2025

    62 °F
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