Ayer Weather Forecast

    • 41
    • 62

    Increasing Clouds

    • 48
    • 61

    Rain Showers

    • 48
    • 63

    Rain Showers

    • 48
    • 64

    Rain Showers Likely

    • 54
    • 75

    Mostly Sunny

    • 52
    • 79

    Mostly Sunny

Today 12 May Northwest Middlesex County

Sunny. Highs in the lower 60s. Northwest Winds 5 to 10 Mph.

Tonight 12 May Northwest Middlesex County

Mostly clear in the Evening, then becoming mostly cloudy. Lows around 40. Northwest Winds around 5 Mph in the Evening, becoming light and variable.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Ayer Temperature Statistics

May Temperature

Fitchburg, Fitchburg Municipal Airport (8.1 miles)

  • Lowest 3 May, 2026

    34 °F

  • Average May

    52.9 °F

  • Highest 5 May, 2026

    82.9 °F

Climate (2021–Present)

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

    61.5 °F
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