Ayer Weather Forecast

    • 38
    • 56

    Decreasing Clouds

    • 53
    • 68

    Mostly Sunny

    • 37
    • 69

    Mostly Sunny

    • 32
    • 59

    Partly Sunny

    • 44
    • 62

    Mostly Cloudy

    • 44
    • 65

    Chance Rain Showers

Today 28 Oct Northwest Middlesex County

Partly sunny. Areas of frost in the morning. Highs in the mid 50s. Northwest Winds around 5 Mph, becoming south around 5 Mph in the afternoon.

Tonight 28 Oct Northwest Middlesex County

Mostly clear. Lows in the upper 30s. Southwest Winds around 5 Mph.

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Ayer Temperature Statistics

October Temperature

Fitchburg, Fitchburg Municipal Airport (8.1 miles)

  • Lowest 24 October, 2026

    27 °F

  • Average October

    52.5 °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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