Sterling Weather Forecast

    • 46
    • 67

    Increasing Clouds

    • 48
    • 60

    Rain Showers

    • 47
    • 65

    Mostly Cloudy

    • 45
    • 60

    Mostly Cloudy

    • 45
    • 60

    Mostly Cloudy

    • 47
    • 58

    Chance Rain Showers

Today 19 Sep Northern Worcester

Mostly sunny. Cooler with Highs in the mid 60s. Northeast Winds around 5 Mph, becoming east in the afternoon.

Tonight 19 Sep Northern Worcester

Partly cloudy. Lows in the mid 40s. Southeast Winds around 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Sterling Temperature Statistics

September Temperature

Fitchburg, Fitchburg Municipal Airport (7.5 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 (7.5 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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