Sterling Weather Forecast

    • 67
    • 87

    Decreasing Clouds

    • 62
    • 85

    Mostly Sunny

    • 63
    • 84

    Partly Sunny

    • 59
    • 83

    Chance Rain Showers

    • 55
    • 79

    Mostly Sunny

    • 55
    • 80

    Mostly Sunny

Today 10 Aug Northern Worcester

Mostly sunny. Highs in the mid 80s. Southwest Winds 5 to 10 Mph.

Tonight 10 Aug Northern Worcester

Mostly cloudy with a chance of Showers with a slight chance of Thunderstorms in the Evening, then mostly clear after midnight. Humid with Lows in the mid 60s. Southwest Winds 5 to 10 Mph. Chance of rain 30 percent.

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Sterling Temperature Statistics

August Temperature

Fitchburg, Fitchburg Municipal Airport (7.5 miles)

  • Lowest 4 August, 2026

    59 °F

  • Average August

    76.6 °F

  • Highest 6 August, 2026

    90 °F

Climate (2021–2026)

Fitchburg, Fitchburg Municipal Airport (7.5 miles)

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  • Average Low 2021–2026

    41.4 °F

  • Average 2021–2026

    51.6 °F

  • Average High 2021–2026

    61.6 °F
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