Thornton Weather Forecast

    • 71
    • 92

    Slight Chance Thunderstorms

    • 73
    • 93

    Slight Chance Rain Showers

    • 75
    • 96

    Slight Chance Thunderstorms

    • 69
    • 89

    Chance Thunderstorms

    • 67
    • 85

    Mostly Sunny

    • 68
    • 87

    Chance Rain Showers

    • 67
    • 86

    Chance Rain Showers

Today 3 Jul Southern Cook

Increasing Clouds. A slight chance of Showers and Thunderstorms late in the afternoon. Highs in the lower 90s. Northwest Winds 5 to 10 Mph. Chance of precipitation 20 percent.

Tonight 3 Jul Southern Cook

Increasing Clouds. A slight chance of Showers late in the evening. Lows in the lower 70s. South Winds around 5 Mph. Chance of precipitation 20 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Thornton Temperature Statistics

July Temperature

Lansing Municipal Airport (4.3 miles)

  • Lowest 1 July, 2025

    67.6 °F

  • Average July

    77.2 °F

  • Highest 1 July, 2025

    84 °F

Climate (2020–Present)

Lansing Municipal Airport (4.3 miles)

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  • Average Low 2020–2025

    42.4 °F

  • Average 2020–2025

    51.5 °F

  • Average High 2020–2025

    60.3 °F
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