Ayer Weather Forecast

    • 70
    • 91

    Slight Chance Thunderstorms

    • 69
    • 88

    Chance Thunderstorms

    • 63
    • 87

    Mostly Sunny

    • 66
    • 87

    Chance Rain Showers

    • 64
    • 86

    Chance Thunderstorms

    • 61
    • 84

    Slight Chance Thunderstorms

Today 7 Aug Northwest Middlesex County

Sunny. A slight chance of Showers and Thunderstorms in the afternoon. Hot with Highs around 90. West Winds around 5 Mph. Chance of rain 20 percent.

Tonight 7 Aug Northwest Middlesex County

Partly cloudy. Humid with Lows in the upper 60s. West Winds around 5 Mph.

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Ayer Temperature Statistics

August Temperature

Fitchburg, Fitchburg Municipal Airport (8.1 miles)

  • Lowest 4 August, 2026

    59 °F

  • Average August

    74.9 °F

  • Highest 1 August, 2026

    87.1 °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

    61.5 °F
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