Thornton Weather Forecast

    • 42
    • 68

    Increasing Clouds

    • 37
    • 68

    Partly Sunny

    • 39
    • 63

    Partly Sunny

    • 27
    • 57

    Mostly Sunny

    • 31
    • 50

    Mostly Sunny

    • 41
    • 66

    Partly Sunny

Today 5 Nov North Douglas County Below 6000 Feet/Denver/West Adams and Arapahoe Counties/East Broomfield County

Mostly sunny. Highs near 70. Southeast Winds 10 to 15 Mph with Gusts up to 25 Mph in the afternoon.

Tonight 5 Nov North Douglas County Below 6000 Feet/Denver/West Adams and Arapahoe Counties/East Broomfield County

Partly cloudy. Lows in the lower to mid 40s. Southwest Winds 10 to 15 Mph with Gusts up to 25 Mph.

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Thornton Temperature Statistics

November Temperature

Broomfield / Jeffco (6.8 miles)

  • Lowest 1 November, 2025

    30.2 °F

  • Average November

    47.6 °F

  • Highest 2 November, 2025

    80.6 °F

Climate (2020–Present)

Broomfield / Jeffco (6.8 miles)

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  • Average Low 2020–2025

    41.3 °F

  • Average 2020–2025

    50.6 °F

  • Average High 2020–2025

    64.8 °F
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