Ayer Weather Forecast

    • 63
    • 81

    Rain Showers Likely

    • 61
    • 78

    Rain Showers

    • 59
    • 84

    Partly Sunny

    • 62
    • 86

    Chance Rain Showers

    • 56
    • 82

    Chance Rain Showers

    • 54
    • 80

    Partly Sunny

Today 16 Aug Northwest Middlesex County

Mostly sunny. Highs in the lower 80s. North Winds around 5 Mph, becoming south around 5 Mph in the afternoon.

Tonight 16 Aug Northwest Middlesex County

Mostly cloudy. Showers likely after midnight. Patchy fog after midnight. Not as cool with Lows in the lower 60s. South Winds 5 to 10 Mph. Gusts up to 20 Mph after midnight. Chance of rain 70 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 °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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