Sudbury Weather Forecast

    • 54
    • 69

    Mostly Cloudy

    • 56
    • 72

    Mostly Cloudy

    • 65
    • 79

    Partly Sunny

    • 55
    • 78

    Slight Chance Rain Showers

    • 49
    • 69

    Slight Chance Rain Showers

    • 50
    • 65

    Chance Rain Showers

Today 29 Sep Central Middlesex County

Partly sunny in the Morning, then becoming mostly cloudy. Patchy fog in the morning. Not as cool with Highs in the upper 60s. Northwest Winds around 5 Mph.

Tonight 29 Sep Central Middlesex County

Mostly cloudy. Lows in the mid 50s. Northwest Winds around 5 Mph in the Evening, becoming light and variable.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Sudbury Temperature Statistics

September Temperature

Laurence G Hanscom Field Airport (8.1 miles)

  • Lowest 25 September, 2026

    39 °F

  • Average September

    62.6 °F

  • Highest 4 September, 2026

    84 °F

Climate (2021–2026)

Laurence G Hanscom Field Airport (8.1 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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