Ashburnham Weather Forecast

    • 50
    • 65

    Mostly Cloudy

    • 53
    • 69

    Partly Sunny

    • 62
    • 74

    Partly Sunny

    • 51
    • 73

    Partly Sunny

    • 46
    • 65

    Partly Sunny

    • 48
    • 63

    Chance Rain Showers

Today 29 Sep Northern Worcester

Partly sunny. Patchy fog in the morning. Not as cool with Highs in the upper 60s. Northwest Winds 5 to 10 Mph.

Tonight 29 Sep Northern Worcester

Mostly cloudy in the Evening, then becoming partly cloudy. Lows in the lower 50s. Northwest Winds around 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Ashburnham Temperature Statistics

September Temperature

Fitchburg, Fitchburg Municipal Airport (9.3 miles)

  • Lowest 24 September, 2026

    41 °F

  • Average September

    62 °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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