South Ashburnham Weather Forecast

    • 55
    • 77

    Mostly Cloudy

    • 65
    • 74

    Chance Rain Showers

    • 53
    • 81

    Partly Sunny

    • 50
    • 71

    Mostly Sunny

    • 56
    • 73

    Partly Sunny

    • 59
    • 75

    Partly Sunny

    • 53
    • 74

    Partly Sunny

Today 8 Sep Northern Worcester

Mostly sunny. Near steady temperature in the upper 70s. Northwest Winds around 5 Mph.

Tonight 8 Sep Northern Worcester

Mostly cloudy. Lows in the upper 50s. North Winds around 5 Mph, becoming light and variable.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

South Ashburnham Temperature Statistics

September Temperature

Fitchburg, Fitchburg Municipal Airport (9.9 miles)

  • Lowest 6 September, 2026

    52 °F

  • Average September

    64.3 °F

  • Highest 2 September, 2026

    73.9 °F

Climate (2021–2026)

Fitchburg, Fitchburg Municipal Airport (9.9 miles)

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  • Average Low 2021–2026

    41.3 °F

  • Average 2021–2026

    51.5 °F

  • Average High 2021–2026

    61.5 °F
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