New Castle Weather Forecast

    • 64
    • 81

    Slight Chance Thunderstorms

    • 70
    • 87

    Rain Showers Likely

    • 58
    • 82

    Chance Thunderstorms

    • 58
    • 81

    Partly Sunny

    • 65
    • 85

    Chance Rain Showers

    • 70
    • 90

    Chance Thunderstorms

Today 18 Jul Lawrence

Partly cloudy. Highs around 80. Northeast Winds around 5 Mph, becoming southeast this afternoon.

Tonight 18 Jul Lawrence

Mainly clear in the Evening, then becoming mostly cloudy. Areas of fog after midnight. Humid with Lows in the lower 60s. Light and variable Winds.

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New Castle Temperature Statistics

July Temperature

New Castle, New Castle Municipal Airport (3.7 miles)

  • Lowest 4 July, 2025

    57 °F
  • Average July

    74.8 °F
  • Highest 6 July, 2025

    90 °F

Climate (2020–Present)

New Castle, New Castle Municipal Airport (3.7 miles)

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  • Average Low 2020–2025

    42 °F
  • Average 2020–2025

    51.4 °F
  • Average High 2020–2025

    61.1 °F
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