Newcastle Weather Forecast

    • 70
    • 89

    Partly Sunny

    • 69
    • 90

    Partly Sunny

    • 69
    • 89

    Partly Sunny

    • 67
    • 87

    Chance Rain Showers

    • 65
    • 86

    Slight Chance Thunderstorms

    • 66
    • 87

    Mostly Sunny

Today 14 Sep McClain

Partly sunny. Highs around 90. South Winds 10 to 15 Mph.

Tonight 14 Sep McClain

Partly cloudy. Lows around 70. South Winds 5 to 10 Mph.

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Newcastle Temperature Statistics

September Temperature

Norman / Max Westheimer (6.8 miles)

  • Lowest 6 September, 2025

    57.2 °F

  • Average September

    69.8 °F

  • Highest 11 September, 2025

    91.4 °F

Climate (2020–Present)

Norman / Max Westheimer (6.8 miles)

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  • Average Low 2020–2025

    51.5 °F

  • Average 2020–2025

    59.5 °F

  • Average High 2020–2025

    72.9 °F
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