Ashburnham Weather Forecast

    • 65
    • 82

    Decreasing Clouds

    • 68
    • 85

    Chance Thunderstorms

    • 66
    • 85

    Chance Rain Showers

    • 65
    • 82

    Chance Thunderstorms

    • 64
    • 82

    Mostly Sunny

    • 62
    • 82

    Partly Sunny

Today 5 Aug Northern Worcester

Mostly sunny. Highs in the lower 80s. West Winds around 5 Mph.

Tonight 5 Aug Northern Worcester

Partly cloudy. Humid with Lows in the mid 60s. Southwest Winds around 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Ashburnham Temperature Statistics

August Temperature

Fitchburg, Fitchburg Municipal Airport (9.3 miles)

  • Lowest 1 August, 2026

    64 °F

  • Average August

    76.9 °F

  • Highest 1 August, 2026

    87.1 °F

Climate (2021–2026)

Fitchburg, Fitchburg Municipal Airport (9.3 miles)

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  • Average Low 2021–2026

    41.3 °F

  • Average 2021–2026

    51.6 °F

  • Average High 2021–2026

    61.5 °F
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