Sterling Weather Forecast

    • 51
    • 88

    Chance Rain Showers

    • 44
    • 67

    Partly Sunny

    • 46
    • 69

    Chance Rain Showers

    • 44
    • 61

    Chance Rain Showers

    • 46
    • 61

    Chance Rain Showers

    • 50
    • 68

    Slight Chance Rain Showers

Today 20 May Northern Worcester

Partly sunny. A chance of Showers in the afternoon. Highs in the upper 80s. West Winds 10 to 15 Mph with Gusts up to 30 Mph. Chance of rain 40 percent.

Tonight 20 May Northern Worcester

Partly cloudy in the Evening, then becoming mostly cloudy. Much cooler. Less humid with Lows around 50. Northwest Winds 10 to 15 Mph with Gusts up to 25 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Sterling Temperature Statistics

May Temperature

Fitchburg, Fitchburg Municipal Airport (7.5 miles)

  • Lowest 3 May, 2026

    34 °F

  • Average May

    54.7 °F

  • Highest 17 May, 2026

    87.1 °F

Climate (2021–Present)

Fitchburg, Fitchburg Municipal Airport (7.5 miles)

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  • Average Low 2021–2026

    41.4 °F

  • Average 2021–2026

    51.5 °F

  • Average High 2021–2026

    61.5 °F
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