Sudbury Weather Forecast

    • 39
    • 67

    Becoming Sunny

    • 48
    • 69

    Partly Sunny

    • 46
    • 64

    Rain Showers Likely

    • 47
    • 60

    Chance Rain Showers

    • 53
    • 71

    Chance Rain Showers

    • 55
    • 77

    Partly Sunny

Today 21 May Central Middlesex County

Mostly cloudy. Much cooler with Highs in the upper 60s. Northwest Winds 5 to 10 Mph.

Tonight 21 May Central Middlesex County

Mostly cloudy. Much cooler with Lows in the mid 50s. North Winds around 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Sudbury Temperature Statistics

May Temperature

Laurence G Hanscom Field Airport (8.1 miles)

  • Lowest 9 May, 2026

    34 °F

  • Average May

    56.4 °F

  • Highest 17 May, 2026

    87.1 °F

Climate (2021–Present)

Laurence G Hanscom Field Airport (8.1 miles)

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  • Average Low 2021–2026

    41.3 °F

  • Average 2021–2026

    51.6 °F

  • Average High 2021–2026

    61.6 °F
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