Thornton Weather Forecast

    • 42
    • 58

    Chance Rain Showers

    • 36
    • 48

    Rain Showers

    • 36
    • 47

    Rain Showers Likely

    • 40
    • 61

    Chance Rain Showers

    • 41
    • 60

    Chance Rain Showers

    • 44
    • 70

    Partly Sunny

    • 48
    • 70

    Slight Chance Thunderstorms

Today 19 May North Douglas County Below 6000 Feet/Denver/West Adams and Arapahoe Counties/East Broomfield County

Cloudy. Chance of rain Showers and slight chance of Thunderstorms early in the Evening, then a chance of rain Showers overnight. Lows in the lower 40s. North Winds 10 to 15 Mph. Chance of precipitation 40 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Thornton Temperature Statistics

May Temperature

Broomfield / Jeffco (6.8 miles)

  • Lowest 8 May, 2019

    32 °F
  • Average May

    50.4 °F
  • Highest 15 May, 2019

    82.4 °F

Climate (2010–Present)

Broomfield / Jeffco (6.8 miles)

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  • Average Low 2010–Present

    40.4 °F
  • Average 2010–Present

    49.9 °F
  • Average High 2010–Present

    64 °F
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