Thornton Weather Forecast

    • 40
    • 59

    Chance Rain Showers

    • 45
    • 69

    Partly Sunny

    • 45
    • 72

    Slight Chance Thunderstorms

    • 39
    • 68

    Rain Showers Likely

    • 35
    • 52

    Chance Rain Showers

    • 41
    • 64

    Slight Chance Thunderstorms

    • 43
    • 68

    Slight Chance Thunderstorms

Today 28 Apr 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 afternoon. Highs in the mid 50s to lower 60s. Chance of rain 30 percent.

Tonight 28 Apr North Douglas County Below 6000 Feet/Denver/West Adams and Arapahoe Counties/East Broomfield County

Partly cloudy. Slight chance of Thunderstorms early in the evening. Lows in the mid 30s to lower 40s. Chance of precipitation 20 percent.

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Thornton Temperature Statistics

April Temperature

Broomfield / Jeffco (6.8 miles)

  • Lowest 18 April, 2024

    30.2 °F

  • Average April

    48.3 °F

  • Highest 14 April, 2024

    78.8 °F

Climate (2019–Present)

Broomfield / Jeffco (6.8 miles)

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  • Average Low 2019–2024

    40.8 °F

  • Average 2019–2024

    50.2 °F

  • Average High 2019–2024

    64.3 °F
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