Leominster State Forest Weather Forecast

    • 46
    • 77

    Mostly Sunny

    • 46
    • 63

    Mostly Sunny

    • 51
    • 60

    Rain Showers

    • 46
    • 62

    Chance Rain Showers

    • 45
    • 56

    Chance Rain Showers

    • 45
    • 57

    Slight Chance Rain Showers

Today 18 Sep Northern Worcester

Sunny. Highs in the lower 70s. Northwest Winds 5 to 10 Mph. Gusts up to 20 Mph this afternoon.

Tonight 18 Sep Northern Worcester

Mostly clear in the Evening, then becoming partly cloudy. Much cooler. Less humid with Lows in the mid 40s. North Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Leominster State Forest Temperature Statistics

September Temperature

Fitchburg, Fitchburg Municipal Airport (4.3 miles)

  • Lowest 15 September, 2026

    44.1 °F

  • Average September

    64.9 °F

  • Highest 10 September, 2026

    84.9 °F

Climate (2021–2026)

Fitchburg, Fitchburg Municipal Airport (4.3 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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