Newcastle Weather Forecast

    • 59
    • 82

    Becoming Sunny

    • 67
    • 86

    Chance Rain Showers

    • 65
    • 85

    Chance Thunderstorms

    • 61
    • 83

    Mostly Sunny

    • 63
    • 86

    Mostly Sunny

    • 60
    • 84

    Slight Chance Thunderstorms

Today 18 Aug Coshocton

Mostly sunny. Highs in the lower 80s. Northeast Winds around 5 Mph.

Tonight 18 Aug Coshocton

Mainly clear. Lows in the upper 50s. Northeast Winds around 5 Mph.

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Newcastle Temperature Statistics

August Temperature

Knox County Airfield (18.6 miles)

  • Lowest 1 August, 2025

    55.4 °F

  • Average August

    72.4 °F

  • Highest 12 August, 2025

    89.6 °F

Climate (2020–Present)

Knox County Airfield (18.6 miles)

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  • Average Low 2020–2025

    43.4 °F

  • Average 2020–2025

    52.2 °F

  • Average High 2020–2025

    61.6 °F
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