Thornton Weather Forecast

    • 50
    • 77

    Partly Sunny

    • 48
    • 77

    Becoming Sunny

    • 50
    • 77

    Mostly Sunny

    • 51
    • 78

    Mostly Sunny

    • 51
    • 76

    Partly Sunny

    • 53
    • 73

    Mostly Cloudy

    • 54
    • 69

    Chance Rain Showers

Today 30 Oct Northern San Joaquin Valley

Sunny. Highs 75 to 81. Light Winds becoming northwest up to 10 Mph in the afternoon.

Tonight 30 Oct Northern San Joaquin Valley

Mostly clear. Lows 49 to 55. Northwest Winds up to 10 Mph.

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Thornton Temperature Statistics

October Temperature

Sacramento Executive Airport (19.3 miles)

  • Lowest 28 October, 2025

    44.1 °F

  • Average October

    62.1 °F

  • Highest 7 October, 2025

    90 °F

Climate (2020–Present)

Sacramento Executive Airport (19.3 miles)

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  • Average Low 2020–2025

    49.9 °F

  • Average 2020–2025

    61.5 °F

  • Average High 2020–2025

    75.7 °F
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