Newcastle Weather Forecast

    • 49
    • 55

    Rain Showers Likely

    • 46
    • 61

    Partly Sunny

    • 49
    • 65

    Mostly Sunny

    • 52
    • 69

    Mostly Sunny

    • 55
    • 73

    Sunny

    • 50
    • 71

    Mostly Sunny

Today 14 Oct Southern Sacramento Valley

Mostly cloudy with a chance of rain Showers. Highs around 59. East Winds up to 10 Mph.

Tonight 14 Oct Southern Sacramento Valley

Mostly cloudy with a chance of rain Showers. Lows around 51. Light Winds.

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Newcastle Temperature Statistics

October Temperature

Auburn Municipal Airport (5.6 miles)

  • Lowest 11 October, 2025

    44.6 °F

  • Average October

    63.5 °F

  • Highest 7 October, 2025

    86 °F

Climate (2020–Present)

Auburn Municipal Airport (5.6 miles)

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  • Average Low 2020–2025

    51 °F

  • Average 2020–2025

    61.8 °F

  • Average High 2020–2025

    71.9 °F
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