Ashburnham Weather Forecast

    • 67
    • 83

    Chance Rain Showers

    • 62
    • 83

    Isolated Thunderstorms

    • 65
    • 83

    Partly Sunny

    • 60
    • 80

    Slight Chance Thunderstorms

    • 59
    • 78

    Chance Rain Showers

    • 56
    • 77

    Chance Rain Showers

Today 8 Aug Northern Worcester

Partly sunny. A slight chance of Showers and Thunderstorms this afternoon. Highs in the mid 80s. West Winds 5 to 10 Mph. Gusts up to 20 Mph this afternoon. Chance of rain 20 percent.

Tonight 8 Aug Northern Worcester

Partly cloudy with a slight chance of Showers and Thunderstorms in the Evening, then mostly clear after midnight. Humid with Lows in the upper 60s. Southwest Winds 5 to 10 Mph. Chance of rain 20 percent.

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Ashburnham Temperature Statistics

August Temperature

Fitchburg, Fitchburg Municipal Airport (9.3 miles)

  • Lowest 4 August, 2026

    59 °F

  • Average August

    74.8 °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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