Sudbury Weather Forecast

    • 55
    • 91

    Chance Rain Showers

    • 46
    • 68

    Mostly Cloudy

    • 48
    • 70

    Chance Rain Showers

    • 46
    • 62

    Chance Rain Showers

    • 47
    • 62

    Chance Rain Showers

    • 51
    • 68

    Slight Chance Rain Showers

Today 20 May Central Middlesex County

Partly sunny. A chance of Showers in the afternoon. Hot with Highs in the lower 90s. West Winds 5 to 10 Mph with Gusts up to 25 Mph. Chance of rain 40 percent.

Tonight 20 May Central Middlesex County

Partly cloudy in the Evening, then becoming mostly cloudy. Much cooler. Less humid with Lows in the lower 50s. Northwest Winds 5 to 10 Mph. Gusts up to 20 Mph in the evening.

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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

    55.8 °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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