Thornton Weather Forecast

    • 42
    • 65

    Mostly Sunny

    • 46
    • 80

    Partly Sunny

    • 38
    • 69

    Rain Showers Likely

    • 38
    • 58

    Mostly Sunny

    • 38
    • 61

    Sunny

    • 39
    • 69

    Mostly Sunny

    • 36
    • 68

    Mostly Sunny

Today 24 Oct North Douglas County Below 6000 Feet/Denver/West Adams and Arapahoe Counties/East Broomfield County

Mostly sunny. Highs in the lower to mid 60s. West Winds 10 to 15 Mph shifting to the north in the afternoon.

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Thornton Temperature Statistics

October Temperature

Broomfield / Jeffco (6.8 miles)

  • Lowest 15 October, 2021

    32 °F
  • Average October

    52.5 °F
  • Highest 5 October, 2021

    82.4 °F

Climate (2010–Present)

Broomfield / Jeffco (6.8 miles)

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  • Average Low 2010–Present

    41.5 °F
  • Average 2010–Present

    50.9 °F
  • Average High 2010–Present

    65.3 °F
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