Winchester Weather Forecast

    • 68
    • 96

    Hot

    • 63
    • 84

    Mostly Cloudy

    • 62
    • 75

    Rain Showers Likely

    • 60
    • 76

    Chance Thunderstorms

    • 66
    • 80

    Slight Chance Rain Showers

    • 69
    • 92

    Partly Sunny

Today 4 Jul Southeast Middlesex

Partly sunny with a chance of Showers and Thunderstorms. Hot. Near steady temperature in the lower 90s. West Winds around 10 Mph with Gusts up to 25 Mph. Chance of rain 30 percent.

Tonight 4 Jul Southeast Middlesex

Mostly cloudy. A chance of Showers with a slight chance of Thunderstorms in the evening. Lows in the upper 60s. Northwest Winds 5 to 10 Mph. Chance of rain 30 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Winchester Temperature Statistics

July Temperature

Laurence G Hanscom Field Airport (8.1 miles)

  • Lowest 1 July, 2026

    71.1 °F

  • Average July

    84.1 °F

  • Highest 2 July, 2026

    98.1 °F

Climate (2021–2026)

Laurence G Hanscom Field Airport (8.1 miles)

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  • Average Low 2021–2026

    41.3 °F

  • Average 2021–2026

    51.6 °F

  • Average High 2021–2026

    61.7 °F
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