Blanchester Weather Forecast

    • 66
    • 80

    Mostly Cloudy

    • 65
    • 82

    Chance Thunderstorms

    • 63
    • 85

    Partly Sunny

    • 63
    • 81

    Mostly Sunny

    • 67
    • 88

    Chance Rain Showers

    • 68
    • 86

    Chance Rain Showers

Today 11 Sep Clinton

Patchy fog this morning. Mostly cloudy. Highs around 80. East Winds 5 to 10 Mph.

Tonight 11 Sep Clinton

Partly cloudy. A slight chance of Showers after midnight. Muggy. Lows in the mid 60s. Southeast Winds around 5 Mph. Chance of rain 20 percent.

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Blanchester Temperature Statistics

September Temperature

Wilmington, Airborne Airpark Airport (14.3 miles)

  • Lowest 7 September, 2026

    57.7 °F

  • Average September

    78 °F

  • Highest 4 September, 2026

    96.7 °F

Climate (2021–2026)

Wilmington, Airborne Airpark Airport (14.3 miles)

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  • Average Low 2021–2026

    45.6 °F

  • Average 2021–2026

    55.3 °F

  • Average High 2021–2026

    65 °F
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