Acton Weather Forecast

    • 68
    • 88

    Decreasing Clouds

    • 62
    • 87

    Partly Sunny

    • 62
    • 86

    Mostly Sunny

    • 60
    • 84

    Chance Rain Showers

    • 55
    • 80

    Mostly Sunny

    • 54
    • 80

    Mostly Sunny

    • 58
    • 81

    Chance Rain Showers

Today 10 Aug Central Middlesex County

Mostly sunny. Near steady temperature in the upper 80s. Southwest Winds around 5 Mph.

Tonight 10 Aug Central Middlesex County

Mostly cloudy this Evening, then becoming partly cloudy. Lows in the upper 60s. Southwest Winds around 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Acton Temperature Statistics

August Temperature

Laurence G Hanscom Field Airport (6.8 miles)

  • Lowest 4 August, 2026

    60.1 °F

  • Average August

    76.6 °F

  • Highest 7 August, 2026

    91 °F

Climate (2021–2026)

Laurence G Hanscom Field Airport (6.8 miles)

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  • Average Low 2021–2026

    41.3 °F

  • Average 2021–2026

    51.7 °F

  • Average High 2021–2026

    61.7 °F
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