Ayer Weather Forecast

    • 64
    • 85

    Decreasing Clouds

    • 58
    • 84

    Partly Sunny

    • 57
    • 83

    Partly Sunny

    • 59
    • 78

    Chance Rain Showers

    • 59
    • 79

    Rain Showers Likely

    • 56
    • 80

    Mostly Sunny

Today 19 Aug Northwest Middlesex County

Mostly sunny. Patchy fog in the morning. Highs in the mid 80s. Southwest Winds around 5 Mph.

Tonight 19 Aug Northwest Middlesex County

Mostly clear in the Evening, then becoming partly cloudy. Lows in the mid 60s. West Winds around 5 Mph.

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Ayer Temperature Statistics

August Temperature

Fitchburg, Fitchburg Municipal Airport (8.1 miles)

  • Lowest 16 August, 2026

    52 °F

  • Average August

    74.7 °F

  • Highest 6 August, 2026

    90 °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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