Thornton Weather Forecast

    • 42
    • 61

    Chance Rain Showers

    • 41
    • 65

    Mostly Sunny

    • 47
    • 76

    Mostly Sunny

    • 51
    • 77

    Chance Thunderstorms

    • 46
    • 71

    Rain Showers

    • 45
    • 61

    Rain Showers

Today 1 May North Douglas County Below 6000 Feet/Denver/West Adams and Arapahoe Counties/East Broomfield County

Mostly cloudy. Slight chance of Showers late in the morning. Chance of Showers and slight chance of Thunderstorms in the afternoon. Highs in the lower 60s. Chance of rain 30 percent.

Tonight 1 May North Douglas County Below 6000 Feet/Denver/West Adams and Arapahoe Counties/East Broomfield County

Mostly cloudy. Chance of Showers and slight chance of Thunderstorms in the evening. Lows near 40. Chance of rain 50 percent.

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Thornton Temperature Statistics

May Temperature

Broomfield / Jeffco (6.8 miles)

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Climate (2020–Present)

Broomfield / Jeffco (6.8 miles)

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  • Average Low 2020–2025

    41.2 °F

  • Average 2020–2025

    50.7 °F

  • Average High 2020–2025

    64.9 °F
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