Ayer Weather Forecast

    • 71
    • 95

    Slight Chance Thunderstorms

    • 50
    • 89

    Chance Rain Showers

    • 44
    • 68

    Partly Sunny

    • 46
    • 69

    Chance Rain Showers

    • 46
    • 63

    Rain Showers Likely

    • 47
    • 64

    Chance Rain Showers

Today 19 May Northwest Middlesex County

Mostly sunny. Warmer with Highs in the mid 90s. Southwest Winds 5 to 10 Mph with Gusts up to 25 Mph.

Tonight 19 May Northwest Middlesex County

Partly cloudy. Lows in the lower 70s. Southwest Winds 5 to 10 Mph with Gusts up to 20 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Ayer Temperature Statistics

May Temperature

Fitchburg, Fitchburg Municipal Airport (8.1 miles)

  • Lowest 3 May, 2026

    34 °F

  • Average May

    53.6 °F

  • Highest 5 May, 2026

    82.9 °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

    51.5 °F

  • Average High 2021–2026

    61.5 °F
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