Newcastle Weather Forecast

    • 45
    • 62

    Mostly Sunny

    • 42
    • 61

    Mostly Sunny

    • 43
    • 61

    Mostly Sunny

    • 41
    • 59

    Partly Sunny

    • 40
    • 54

    Mostly Sunny

    • 39
    • 53

    Mostly Sunny

Today 4 Dec Southern Sacramento Valley

Widespread fog. Locally dense early in the morning. Areas of fog late in the morning. Sunny. Highs around 63. Light Winds.

Tonight 4 Dec Southern Sacramento Valley

Clear. Patchy fog after midnight. Lows 38 to 47. Light Winds.

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Newcastle Temperature Statistics

December Temperature

Auburn Municipal Airport (5.6 miles)

  • Lowest 2 December, 2024

    41 °F

  • Average December

    51.8 °F

  • Highest 1 December, 2024

    68 °F

Climate (2019–Present)

Auburn Municipal Airport (5.6 miles)

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  • Average Low 2019–2024

    51.2 °F

  • Average 2019–2024

    61.9 °F

  • Average High 2019–2024

    72 °F
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