South Chelmsford Weather Forecast

    • 42
    • 68

    Sunny

    • 33
    • 59

    Sunny

    • 53
    • 66

    Mostly Sunny

    • 48
    • 72

    Mostly Sunny

    • 45
    • 68

    Mostly Sunny

    • 42
    • 64

    Mostly Sunny

    • 49
    • 66

    Partly Sunny

Today 5 Oct Central Middlesex County

Mostly sunny. Highs in the mid 60s. West Winds 10 to 15 Mph with Gusts up to 30 Mph.

Tonight 5 Oct Central Middlesex County

Clear, cooler with Lows in the lower 40s. West Winds 5 to 10 Mph. Gusts up to 20 Mph this evening.

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South Chelmsford Temperature Statistics

October Temperature

Laurence G Hanscom Field Airport (8.1 miles)

  • Lowest 3 October, 2026

    46.9 °F

  • Average October

    66.2 °F

  • Highest 2 October, 2026

    82.9 °F

Climate (2021–2026)

Laurence G Hanscom Field Airport (8.1 miles)

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  • Average Low 2021–2026

    41.2 °F

  • Average 2021–2026

    51.6 °F

  • Average High 2021–2026

    61.6 °F
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