Winchester Weather Forecast

    • 58
    • 84

    Mostly Sunny

    • 59
    • 81

    Mostly Sunny

    • 60
    • 80

    Mostly Sunny

    • 65
    • 83

    Chance Rain Showers

    • 66
    • 83

    Rain Showers Likely

    • 65
    • 82

    Rain Showers Likely

Today 24 Jul Southeast Middlesex

Sunny. Highs in the mid 80s. Light and variable Winds, becoming southeast 5 to 10 Mph this afternoon.

Tonight 24 Jul Southeast Middlesex

Mostly clear. Lows in the upper 50s. South Winds 5 to 10 Mph, becoming southwest after midnight.

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Winchester Temperature Statistics

July Temperature

Laurence G Hanscom Field Airport (8.1 miles)

  • Lowest 20 July, 2026

    51.1 °F

  • Average July

    74.6 °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

    51.7 °F

  • Average High 2021–2026

    61.7 °F
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