Littleton Weather Forecast

    • 57
    • 83

    Mostly Cloudy

    • 54
    • 78

    Chance Rain Showers

    • 51
    • 68

    Rain Showers Likely

    • 50
    • 71

    Chance Rain Showers

    • 48
    • 69

    Slight Chance Thunderstorms

    • 51
    • 77

    Mostly Sunny

Today 27 Sep North Douglas County Below 6000 Feet/Denver/West Adams and Arapahoe Counties/East Broomfield County

Partly cloudy. Highs in the lower to mid 80s.

Tonight 27 Sep North Douglas County Below 6000 Feet/Denver/West Adams and Arapahoe Counties/East Broomfield County

Mostly cloudy. Slight chance of Showers in the evening. Lows 52 to 58. South Winds 10 to 15 Mph in the Evening, becoming light. Chance of rain 20 percent.

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  • Temperature Real-Time

Littleton Temperature Statistics

September Temperature

Denver - Centennial Airport (9.3 miles)

  • Lowest 20 September, 2026

    49.6 °F

  • Average September

    69.4 °F

  • Highest 4 September, 2026

    91.7 °F

Climate (2021–2026)

Denver - Centennial Airport (9.3 miles)

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  • Average Low 2021–2026

    39.5 °F

  • Average 2021–2026

    52.7 °F

  • Average High 2021–2026

    66.1 °F
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