Ayer Weather Forecast

    • 33
    • 62

    Becoming Sunny

    • 29
    • 55

    Sunny

    • 30
    • 59

    Mostly Sunny

    • 36
    • 64

    Mostly Sunny

    • 41
    • 67

    Mostly Sunny

    • 34
    • 58

    Partly Sunny

Today 22 Oct Northwest Middlesex County

Sunny. Highs in the lower 60s. North Winds 5 to 10 Mph with Gusts up to 25 Mph.

Tonight 22 Oct Northwest Middlesex County

Clear. Patchy frost after midnight. Lows in the mid 30s. North Winds 5 to 10 Mph with Gusts up to 25 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

    54.3 °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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