Ayer Weather Forecast

    • 34
    • 61

    Mostly Sunny

    • 33
    • 58

    Mostly Sunny

    • 36
    • 56

    Mostly Cloudy

    • 38
    • 59

    Mostly Cloudy

    • 39
    • 59

    Mostly Cloudy

    • 43
    • 60

    Chance Rain Showers

    • 43
    • 56

    Chance Rain Showers

Today 23 Apr Northwest Middlesex County

Sunny. Not as cool with Highs in the upper 50s. Northwest Winds 10 to 15 Mph with Gusts up to 30 Mph.

Tonight 23 Apr Northwest Middlesex County

Mostly clear. Lows in the mid 30s. Northwest Winds 5 to 10 Mph. Gusts up to 25 Mph in the evening.

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Ayer Temperature Statistics

April Temperature

Fitchburg, Fitchburg Municipal Airport (8.1 miles)

  • Lowest 8 April, 2026

    24.1 °F

  • Average April

    48.9 °F

  • Highest 15 April, 2026

    81 °F

Climate (2021–Present)

Fitchburg, Fitchburg Municipal Airport (8.1 miles)

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  • Average Low 2021–2026

    41.4 °F

  • Average 2021–2026

    51.6 °F

  • Average High 2021–2026

    61.5 °F
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