Ayer Weather Forecast

    • 65
    • 95

    Chance Thunderstorms

    • 61
    • 85

    Partly Sunny

    • 58
    • 80

    Rain Showers Likely

    • 59
    • 73

    Chance Thunderstorms

    • 64
    • 82

    Slight Chance Rain Showers

    • 67
    • 92

    Partly Sunny

Today 4 Jul Northwest Middlesex County

Partly sunny. A chance of Showers and Thunderstorms this afternoon. Hot with Highs in the mid 90s. Northwest Winds 5 to 10 Mph with Gusts up to 25 Mph. Chance of rain 30 percent.

Tonight 4 Jul Northwest Middlesex County

Mostly cloudy. A slight chance of Showers and Thunderstorms in the evening. Lows in the mid 60s. Northwest Winds 5 to 10 Mph. Chance of rain 20 percent.

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Ayer Temperature Statistics

July Temperature

Fitchburg, Fitchburg Municipal Airport (8.1 miles)

  • Lowest 1 July, 2026

    69.1 °F

  • Average July

    82.9 °F

  • Highest 1 July, 2026

    95 °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

    51.5 °F

  • Average High 2021–2026

    61.5 °F
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