Wachusett Mountain State Reservation Weather Forecast

    • 49
    • 55

    Rain Showers Likely

    • 51
    • 65

    Mostly Cloudy

    • 54
    • 68

    Mostly Cloudy

    • 62
    • 73

    Partly Sunny

    • 52
    • 73

    Slight Chance Rain Showers

    • 47
    • 65

    Chance Rain Showers

    • 50
    • 62

    Chance Rain Showers

Today 28 Sep Northern Worcester

Partly sunny with a 30 percent chance of Showers. Highs in the lower 60s.

Tonight 28 Sep Northern Worcester

Mostly cloudy. A chance of Showers, mainly this evening. Patchy fog. Near steady temperature in the lower 50s. North Winds 5 to 10 Mph. Gusts up to 20 Mph this evening. Chance of rain 50 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Wachusett Mountain State Reservation Temperature Statistics

September Temperature

Fitchburg, Fitchburg Municipal Airport (8.1 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 (8.1 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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