Ashburnham Weather Forecast

    • 39
    • 63

    Gradual Clearing

    • 45
    • 66

    Partly Sunny

    • 42
    • 61

    Rain Showers Likely

    • 44
    • 55

    Chance Rain Showers

    • 50
    • 67

    Chance Rain Showers

    • 53
    • 73

    Partly Sunny

Today 21 May Northern Worcester

Cloudy. Much cooler with Highs in the mid 60s. North Winds around 5 Mph.

Tonight 21 May Northern Worcester

Mostly cloudy in the Evening, then clearing. Cooler with Lows in the lower 40s. North Winds around 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Ashburnham Temperature Statistics

May Temperature

Fitchburg, Fitchburg Municipal Airport (9.3 miles)

  • Lowest 3 May, 2026

    34 °F

  • Average May

    55.6 °F

  • Highest 17 May, 2026

    87.1 °F

Climate (2021–Present)

Fitchburg, Fitchburg Municipal Airport (9.3 miles)

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  • Average Low 2021–2026

    41.4 °F

  • Average 2021–2026

    51.5 °F

  • Average High 2021–2026

    61.5 °F
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