Winchester Weather Forecast

    • 60
    • 71

    Rain Showers Likely

    • 64
    • 81

    Chance Rain Showers

    • 67
    • 85

    Mostly Cloudy

    • 67
    • 84

    Chance Rain Showers

    • 63
    • 84

    Chance Rain Showers

    • 65
    • 85

    Mostly Sunny

Today 30 Jul Southeast Middlesex

Showers likely with a slight chance of Thunderstorms. Patchy fog. Near steady temperature around 70. Northeast Winds 5 to 10 Mph with Gusts up to 20 Mph. Chance of rain 70 percent.

Tonight 30 Jul Southeast Middlesex

Mostly cloudy. Patchy fog. A chance of Showers with a slight chance of Thunderstorms in the evening. Lows around 60. North Winds around 5 Mph. Chance of rain 50 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 26 July, 2026

    46.9 °F

  • Average July

    73.1 °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

    41.2 °F

  • Average 2021–2026

    51.7 °F

  • Average High 2021–2026

    61.7 °F
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