Ayer Weather Forecast

    • 66
    • 88

    Slight Chance Thunderstorms

    • 61
    • 86

    Mostly Sunny

    • 61
    • 85

    Chance Rain Showers

    • 55
    • 84

    Chance Rain Showers

    • 53
    • 79

    Mostly Sunny

    • 53
    • 80

    Mostly Sunny

Today 10 Aug Northwest Middlesex County

Sunny. A slight chance of Showers and Thunderstorms in the afternoon. Highs in the upper 80s. Southwest Winds around 5 Mph. Chance of rain 20 percent.

Tonight 10 Aug Northwest Middlesex County

Mostly cloudy in the Evening, then clearing. Humid with Lows in the mid 60s. West Winds around 5 Mph.

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  • Temperature Real-Time

Ayer Temperature Statistics

August Temperature

Fitchburg, Fitchburg Municipal Airport (8.1 miles)

  • Lowest 4 August, 2026

    59 °F

  • Average August

    76.4 °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

    41.4 °F

  • Average 2021–2026

    51.6 °F

  • Average High 2021–2026

    61.6 °F
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