Littleton Weather Forecast

    • 52
    • 68

    Mostly Cloudy

    • 56
    • 72

    Mostly Cloudy

    • 64
    • 78

    Partly Sunny

    • 57
    • 81

    Chance Rain Showers

    • 45
    • 69

    Partly Sunny

    • 46
    • 64

    Chance Rain Showers

    • 39
    • 64

    Mostly Sunny

Today 29 Sep Central Middlesex County

Mostly clear. Lows in the lower 40s. Highs in the upper 50s.

Tonight 29 Sep Central Middlesex County

Mostly cloudy. Lows in the lower 50s. North Winds around 5 Mph this Evening, becoming light and variable.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Littleton Temperature Statistics

September Temperature

Laurence G Hanscom Field Airport (11.8 miles)

  • Lowest 25 September, 2026

    39 °F

  • Average September

    62.4 °F

  • Highest 4 September, 2026

    84 °F

Climate (2021–2026)

Laurence G Hanscom Field Airport (11.8 miles)

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  • Average Low 2021–2026

    41.1 °F

  • Average 2021–2026

    51.6 °F

  • Average High 2021–2026

    61.6 °F
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