Newcastle Weather Forecast

    • 75
    • 103

    Slight Chance Thunderstorms

    • 73
    • 99

    Chance Rain Showers

    • 77
    • 105

    Hot

    • 76
    • 105

    Hot

    • 72
    • 101

    Hot

    • 73
    • 99

    Hot

    • 73
    • 100

    Hot

Today 16 Aug McClain

Sunny, hot. Near steady temperature around 101. Southwest Winds around 10 Mph with Gusts up to 20 Mph.

Tonight 16 Aug McClain

Partly cloudy with a slight chance of Showers and Thunderstorms in the Evening, then mostly clear after midnight. Lows in the mid 70s. Southwest Winds 5 to 10 Mph, becoming northeast after midnight. Chance of rain 20 percent. Heat index Values up to 105 early in the evening.

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Newcastle Temperature Statistics

August Temperature

Norman / Max Westheimer (6.8 miles)

  • Lowest 3 August, 2026

    66.9 °F

  • Average August

    83.5 °F

  • Highest 13 August, 2026

    104 °F

Climate (2021–2026)

Norman / Max Westheimer (6.8 miles)

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  • Average Low 2021–2026

    52.3 °F

  • Average 2021–2026

    60.5 °F

  • Average High 2021–2026

    74.2 °F
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