Ayer Weather Forecast

    • 31
    • 53

    Mostly Cloudy

    • 34
    • 56

    Partly Sunny

    • 37
    • 53

    Chance Rain Showers

    • 45
    • 56

    Rain

    • 42
    • 57

    Chance Rain Showers

    • 39
    • 56

    Slight Chance Rain Showers

    • 37
    • 56

    Chance Rain Showers

Today 27 Oct Northwest Middlesex County

Mostly cloudy with a 20 percent chance of Showers. Near steady temperature in the lower 50s. North Winds around 5 Mph.

Tonight 27 Oct Northwest Middlesex County

Mostly cloudy with a chance of rain Showers this Evening, then partly cloudy after midnight. Patchy frost after midnight. Lows in the mid 30s. North Winds around 5 Mph. Chance of rain 30 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Ayer Temperature Statistics

October Temperature

Fitchburg, Fitchburg Municipal Airport (8.1 miles)

  • Lowest 10 October, 2025

    27 °F

  • Average October

    53.9 °F

  • Highest 5 October, 2025

    84.9 °F

Climate (2020–Present)

Fitchburg, Fitchburg Municipal Airport (8.1 miles)

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  • Average Low 2020–2025

    41.8 °F

  • Average 2020–2025

    51.9 °F

  • Average High 2020–2025

    61.8 °F
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