Ayer Weather Forecast

    • 49
    • 71

    Chance Rain Showers

    • 56
    • 62

    Rain Showers Likely

    • 47
    • 73

    Partly Sunny

    • 41
    • 62

    Chance Rain Showers

    • 39
    • 61

    Rain Showers

    • 31
    • 49

    Partly Sunny

    • 35
    • 52

    Partly Sunny

Today 12 Oct Northwest Middlesex County

Mostly sunny. Highs in the lower 60s.

Tonight 12 Oct Northwest Middlesex County

Partly cloudy this Evening, then cloudy with a chance of Showers after midnight. Patchy fog after midnight. Lows in the upper 40s. Northwest Winds around 5 Mph, becoming northeast after midnight. Chance of rain 50 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Ayer Temperature Statistics

October Temperature

Fitchburg, Fitchburg Municipal Airport (8.1 miles)

  • Lowest 7 October, 2026

    33.1 °F

  • Average October

    57 °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

    61.5 °F
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