Ayer Weather Forecast

    • 55
    • 84

    Chance Thunderstorms

    • 55
    • 80

    Mostly Sunny

    • 64
    • 85

    Partly Sunny

    • 62
    • 83

    Chance Rain Showers

    • 61
    • 80

    Chance Rain Showers

    • 62
    • 79

    Chance Rain Showers

Today 28 Aug Northwest Middlesex County

Partly sunny. A slight chance of Showers and Thunderstorms in the Morning, then a chance of Showers with a slight chance of Thunderstorms in the afternoon. Humid with Highs in the lower 80s. Southwest Winds around 5 Mph. Chance of rain 30 percent.

Tonight 28 Aug Northwest Middlesex County

Cloudy. Patchy fog. Near steady temperature in the upper 60s. Southwest Winds around 5 Mph.

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Ayer Temperature Statistics

August Temperature

Fitchburg, Fitchburg Municipal Airport (8.1 miles)

  • Lowest 16 August, 2026

    52 °F

  • Average August

    73 °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

    61.5 °F
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