Ayer Weather Forecast

    • 58
    • 74

    Chance Rain Showers

    • 59
    • 78

    Rain Showers Likely

    • 54
    • 82

    Mostly Sunny

    • 55
    • 80

    Mostly Sunny

    • 58
    • 83

    Partly Sunny

    • 61
    • 83

    Chance Rain Showers

Today 22 Aug Northwest Middlesex County

Cloudy. A slight chance of Showers in the Morning, then a chance of Showers in the afternoon. Patchy fog in the afternoon. Highs in the lower 70s. Northeast Winds around 5 Mph. Chance of rain 40 percent.

Tonight 22 Aug Northwest Middlesex County

Mostly cloudy with a 30 percent chance of Showers. Patchy fog after midnight. Lows in the upper 50s. Northeast Winds around 5 Mph in the Evening, becoming light and variable.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Ayer Temperature Statistics

August Temperature

Fitchburg, Fitchburg Municipal Airport (8.1 miles)

  • Lowest 16 August, 2026

    52 °F

  • Average August

    74.3 °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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