Lunenburg Weather Forecast

    • 62
    • 82

    Slight Chance Thunderstorms

    • 63
    • 86

    Mostly Sunny

    • 58
    • 82

    Slight Chance Thunderstorms

    • 58
    • 81

    Slight Chance Rain Showers

    • 59
    • 78

    Chance Rain Showers

    • 58
    • 77

    Chance Rain Showers

Today 18 Aug Northern Worcester

Mostly cloudy. Patchy fog this morning. A slight chance of Showers this afternoon. Highs around 80. North Winds around 5 Mph, becoming northwest around 5 Mph this afternoon. Chance of rain 20 percent.

Tonight 18 Aug Northern Worcester

Partly cloudy with a slight chance of Showers in the Evening, then mostly cloudy after midnight. Patchy fog after midnight. Lows in the lower 60s. Southwest Winds around 5 Mph, becoming west after midnight. Chance of rain 20 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Lunenburg Temperature Statistics

August Temperature

Fitchburg, Fitchburg Municipal Airport (3.1 miles)

  • Lowest 16 August, 2026

    52 °F

  • Average August

    74.7 °F

  • Highest 6 August, 2026

    90 °F

Climate (2021–2026)

Fitchburg, Fitchburg Municipal Airport (3.1 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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