Ayer Weather Forecast

    • 41
    • 62

    Chance Rain Showers

    • 48
    • 68

    Rain Showers

    • 28
    • 53

    Partly Sunny

    • 32
    • 55

    Mostly Sunny

    • 36
    • 60

    Partly Sunny

    • 37
    • 63

    Partly Sunny

    • 35
    • 61

    Mostly Sunny

Today 15 Oct Northwest Middlesex County

Mostly sunny. Highs in the upper 50s.

Tonight 15 Oct Northwest Middlesex County

Partly cloudy this Evening, then mostly cloudy with a chance of Showers after midnight. Lows around 40. Southeast Winds around 5 Mph. Chance of rain 40 percent.

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  • Temperature Real-Time

Ayer Temperature Statistics

October Temperature

Fitchburg, Fitchburg Municipal Airport (8.1 miles)

  • Lowest 7 October, 2026

    33.1 °F

  • Average October

    56.1 °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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