Sterling Weather Forecast

    • 60
    • 72

    Rain Showers

    • 45
    • 72

    Mostly Sunny

    • 52
    • 68

    Mostly Sunny

    • 59
    • 77

    Partly Sunny

    • 60
    • 79

    Slight Chance Rain Showers

    • 53
    • 76

    Slight Chance Rain Showers

Today 13 Sep Northern Worcester

Showers with isolated Thunderstorms, mainly in the morning. Humid with Highs in the lower 70s. South Winds around 5 Mph, becoming east around 5 Mph in the afternoon. Chance of rain near 100 percent.

Tonight 13 Sep Northern Worcester

Mostly cloudy. Patchy fog after midnight. Lows in the upper 50s. Southwest Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Sterling Temperature Statistics

September Temperature

Fitchburg, Fitchburg Municipal Airport (7.5 miles)

  • Lowest 6 September, 2026

    52 °F

  • Average September

    66.1 °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

    41.3 °F

  • Average 2021–2026

    51.5 °F

  • Average High 2021–2026

    61.5 °F
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