Ayer Weather Forecast

    • 37
    • 60

    Mostly Sunny

    • 38
    • 62

    Partly Sunny

    • 34
    • 57

    Partly Sunny

    • 38
    • 62

    Mostly Sunny

    • 33
    • 55

    Partly Sunny

    • 33
    • 54

    Partly Sunny

Today 19 Oct Northwest Middlesex County

Sunny. Patchy frost in the morning. Highs around 60. Light and variable Winds, becoming east around 5 Mph in the afternoon.

Tonight 19 Oct Northwest Middlesex County

Mostly clear in the Evening, then becoming partly cloudy. Lows in the upper 30s. Light and variable Winds, becoming north around 5 Mph after midnight.

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Ayer Temperature Statistics

October Temperature

Fitchburg, Fitchburg Municipal Airport (8.1 miles)

  • Lowest 7 October, 2026

    33.1 °F

  • Average October

    56.4 °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

    41.2 °F

  • Average 2021–2026

    51.5 °F

  • Average High 2021–2026

    61.4 °F
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