Ashburnham Weather Forecast

    • 43
    • 61

    Partly Sunny

    • 42
    • 61

    Mostly Sunny

    • 45
    • 62

    Partly Sunny

    • 49
    • 63

    Chance Rain Showers

    • 49
    • 58

    Chance Rain Showers

    • 49
    • 58

    Chance Rain Showers

    • 48
    • 58

    Chance Rain Showers

Today 22 Sep Northern Worcester

Mostly sunny. Highs in the mid 60s.

Tonight 22 Sep Northern Worcester

Partly cloudy. Lows in the mid 40s. Northeast Winds 5 to 10 Mph. Gusts up to 20 Mph after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Ashburnham Temperature Statistics

September Temperature

Fitchburg, Fitchburg Municipal Airport (9.3 miles)

  • Lowest 15 September, 2026

    44.1 °F

  • Average September

    64.3 °F

  • Highest 10 September, 2026

    84.9 °F

Climate (2021–2026)

Fitchburg, Fitchburg Municipal Airport (9.3 miles)

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  • Average Low 2021–2026

    41.2 °F

  • Average 2021–2026

    51.5 °F

  • Average High 2021–2026

    61.5 °F
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