Newcastle Weather Forecast

    • 32
    • 58

    Mostly Sunny

    • 34
    • 58

    Mostly Sunny

    • 35
    • 62

    Mostly Sunny

    • 40
    • 63

    Mostly Sunny

    • 42
    • 67

    Mostly Cloudy

    • 33
    • 61

    Mostly Cloudy

Today 21 Oct Newcastle

Sunny. Highs in the upper 50s. Northwest Winds 10 to 15 Mph. Gusts up to 25 Mph in the afternoon.

Tonight 21 Oct Newcastle

Mostly clear. Lows in the upper 20s. Northwest Winds 5 to 10 Mph. Gusts up to 20 Mph in the evening.

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Newcastle Temperature Statistics

October Temperature

Mondell Field (5.6 miles)

  • Lowest 18 October, 2025

    30.2 °F

  • Average October

    53.2 °F

  • Highest 3 October, 2025

    87.8 °F

Climate (2020–Present)

Mondell Field (5.6 miles)

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  • Average Low 2020–2025

    35.7 °F

  • Average 2020–2025

    48.1 °F

  • Average High 2020–2025

    60.1 °F
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