Ayer Weather Forecast

    • 32
    • 68

    Sunny

    • 38
    • 68

    Mostly Sunny

    • 27
    • 55

    Sunny

    • 34
    • 56

    Mostly Sunny

    • 47
    • 65

    Mostly Sunny

    • 42
    • 69

    Partly Sunny

Today 25 Oct Northwest Middlesex County

Sunny. Areas of frost in the morning. Highs in the upper 60s. West Winds around 5 Mph.

Tonight 25 Oct Northwest Middlesex County

Clear. Patchy frost after midnight. Cold with Lows in the lower 30s. Southwest Winds around 5 Mph.

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Ayer Temperature Statistics

October Temperature

Fitchburg, Fitchburg Municipal Airport (8.1 miles)

  • Lowest 18 October, 2026

    28 °F

  • Average October

    53.7 °F

  • Highest 2 October, 2026

    84.9 °F

Climate (2021–2026)

Fitchburg, Fitchburg Municipal Airport (8.1 miles)

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  • Average Low 2021–2026

    41.1 °F

  • Average 2021–2026

    51.4 °F

  • Average High 2021–2026

    61.4 °F
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