Winchester Weather Forecast

    • 71
    • 79

    Rain Showers Likely

    • 60
    • 85

    Chance Rain Showers

    • 54
    • 76

    Mostly Sunny

    • 62
    • 76

    Slight Chance Thunderstorms

    • 65
    • 78

    Chance Rain Showers

    • 59
    • 80

    Partly Sunny

    • 66
    • 79

    Partly Sunny

Today 9 Sep Southeast Middlesex

Mostly cloudy with a 20 percent chance of Showers. Near steady temperature in the mid 70s. South Winds 5 to 10 Mph with Gusts up to 20 Mph.

Tonight 9 Sep Southeast Middlesex

Mostly cloudy. A chance of Showers this Evening, then a chance of Showers with a slight chance of Thunderstorms after midnight. Not as cool with Lows in the lower 70s. Southwest Winds 10 to 15 Mph with Gusts up to 30 Mph. Chance of rain 50 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Winchester Temperature Statistics

September Temperature

Laurence G Hanscom Field Airport (8.1 miles)

  • Lowest 7 September, 2026

    46.9 °F

  • Average September

    65.8 °F

  • Highest 4 September, 2026

    84 °F

Climate (2021–2026)

Laurence G Hanscom Field Airport (8.1 miles)

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  • Average Low 2021–2026

    41.2 °F

  • Average 2021–2026

    51.6 °F

  • Average High 2021–2026

    61.7 °F
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