Sudbury Weather Forecast

    • 61
    • 82

    Becoming Sunny

    • 54
    • 76

    Chance Rain Showers

    • 53
    • 72

    Mostly Sunny

    • 57
    • 77

    Mostly Sunny

    • 57
    • 78

    Mostly Cloudy

    • 63
    • 76

    Mostly Cloudy

Today 4 Sep Central Middlesex County

Mostly sunny. Areas of fog in the morning. Highs in the lower 80s. Northwest Winds 5 to 10 Mph.

Tonight 4 Sep Central Middlesex County

Mostly cloudy. Areas of fog. Near steady temperature in the mid 60s. West Winds around 5 Mph.

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Sudbury Temperature Statistics

September Temperature

Laurence G Hanscom Field Airport (8.1 miles)

  • Lowest 1 September, 2026

    61 °F

  • Average September

    64.8 °F

  • Highest 1 September, 2026

    69.1 °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

    61.7 °F
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