Sudbury Weather Forecast

    • 61
    • 76

    Chance Rain Showers

    • 57
    • 82

    Mostly Sunny

    • 58
    • 80

    Mostly Sunny

    • 60
    • 83

    Mostly Sunny

    • 63
    • 84

    Mostly Cloudy

    • 63
    • 82

    Chance Rain Showers

Today 23 Aug Central Middlesex County

Cloudy. A slight chance of Showers with Pockets of Thunderstorms and drizzle in the Morning, then a chance of Showers with a slight chance of Thunderstorms in the afternoon. Patchy fog. Humid with Highs in the mid 70s. Northeast Winds around 5 Mph. Chance of rain 50 percent.

Tonight 23 Aug Central Middlesex County

Mostly cloudy with a chance of Showers in the Evening, then partly cloudy after midnight. Patchy fog after midnight. Humid with Lows in the lower 60s. South Winds around 5 Mph. Chance of rain 50 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Sudbury Temperature Statistics

August Temperature

Laurence G Hanscom Field Airport (8.1 miles)

  • Lowest 16 August, 2026

    50 °F

  • Average August

    74.1 °F

  • Highest 7 August, 2026

    91 °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

    51.7 °F

  • Average High 2021–2026

    61.7 °F
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