Princeton Weather Forecast

    • 48
    • 70

    Becoming Sunny

    • 49
    • 70

    Partly Sunny

    • 50
    • 67

    Partly Sunny

    • 50
    • 76

    Mostly Sunny

    • 46
    • 70

    Mostly Sunny

    • 49
    • 71

    Mostly Sunny

    • 51
    • 71

    Partly Sunny

Today 8 Sep Northern Worcester

Mostly sunny. Near steady temperature in the upper 60s. Northwest Winds around 5 Mph.

Tonight 8 Sep Northern Worcester

Mostly clear. Lows in the mid 40s. North Winds around 5 Mph.

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Princeton Temperature Statistics

September Temperature

Fitchburg, Fitchburg Municipal Airport (9.3 miles)

  • Lowest 2 September, 2025

    50 °F

  • Average September

    67.6 °F

  • Highest 6 September, 2025

    84 °F

Climate (2020–Present)

Fitchburg, Fitchburg Municipal Airport (9.3 miles)

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  • Average Low 2020–2025

    41.8 °F

  • Average 2020–2025

    51.9 °F

  • Average High 2020–2025

    61.8 °F
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