Ayer Weather Forecast

    • 59
    • 84

    Increasing Clouds

    • 64
    • 84

    Partly Sunny

    • 70
    • 87

    Chance Rain Showers

    • 68
    • 89

    Slight Chance Rain Showers

    • 68
    • 87

    Chance Rain Showers

    • 68
    • 88

    Mostly Sunny

Today 4 Aug Northwest Middlesex County

Sunny. Highs in the mid 80s. West Winds around 5 Mph.

Tonight 4 Aug Northwest Middlesex County

Mostly clear in the Evening, then becoming partly cloudy. Lows in the upper 50s. West Winds around 5 Mph.

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Ayer Temperature Statistics

August Temperature

Fitchburg, Fitchburg Municipal Airport (8.1 miles)

  • Lowest 1 August, 2026

    64 °F

  • Average August

    76.6 °F

  • Highest 1 August, 2026

    87.1 °F

Climate (2021–2026)

Fitchburg, Fitchburg Municipal 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

    61.5 °F
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