Ayer Weather Forecast

    • 59
    • 82

    Chance Rain Showers

    • 54
    • 83

    Mostly Sunny

    • 54
    • 82

    Mostly Sunny

    • 60
    • 83

    Chance Rain Showers

    • 59
    • 80

    Chance Rain Showers

    • 59
    • 84

    Mostly Sunny

Today 13 Aug Northwest Middlesex County

Mostly cloudy with a slight chance of Showers in the Morning, then partly sunny with a chance of Showers with isolated Thunderstorms in the afternoon. Highs in the lower 80s. West Winds 5 to 10 Mph. Chance of rain 30 percent.

Tonight 13 Aug Northwest Middlesex County

Partly cloudy with a chance of Showers in the Evening, then mostly clear after midnight. Lows in the upper 50s. Northwest Winds around 5 Mph. Chance of rain 30 percent.

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Ayer Temperature Statistics

August Temperature

Fitchburg, Fitchburg Municipal Airport (8.1 miles)

  • Lowest 4 August, 2026

    59 °F

  • Average August

    76.5 °F

  • Highest 6 August, 2026

    90 °F

Climate (2021–2026)

Fitchburg, Fitchburg Municipal Airport (8.1 miles)

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  • Average Low 2021–2026

    41.3 °F

  • Average 2021–2026

    51.6 °F

  • Average High 2021–2026

    61.6 °F
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