Winchester Weather Forecast

    • 55
    • 63

    Rain Showers

    • 54
    • 60

    Rain Showers

    • 54
    • 65

    Mostly Cloudy

    • 56
    • 71

    Partly Sunny

    • 64
    • 77

    Partly Sunny

    • 54
    • 76

    Partly Sunny

    • 48
    • 67

    Partly Sunny

Today 27 Sep Southeast Middlesex

Showers with a slight chance of Thunderstorms. Patchy fog. Some Thunderstorms may produce heavy rainfall. Near steady temperature in the lower 60s. Northeast Winds 15 to 20 Mph with Gusts up to 35 Mph. Chance of rain 90 percent.

Tonight 27 Sep Southeast Middlesex

Showers with a slight chance of Thunderstorms. Patchy fog. Some Thunderstorms may produce heavy rainfall. Lows in the mid 50s. Northeast Winds 15 to 20 Mph with Gusts up to 30 Mph. Chance of rain 90 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 25 September, 2026

    39 °F

  • Average September

    62.8 °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

    41.1 °F

  • Average 2021–2026

    51.6 °F

  • Average High 2021–2026

    61.6 °F
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