Winchester Weather Forecast

    • 56
    • 81

    Mostly Sunny

    • 65
    • 83

    Partly Sunny

    • 64
    • 78

    Rain Showers Likely

    • 63
    • 83

    Mostly Sunny

    • 67
    • 86

    Partly Sunny

    • 62
    • 85

    Chance Rain Showers

Today 15 Aug Southeast Middlesex

Sunny. Highs in the lower 80s. North Winds around 5 Mph.

Tonight 15 Aug Southeast Middlesex

Mostly clear. Lows in the mid 50s. East Winds around 5 Mph, becoming northwest after midnight.

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Winchester Temperature Statistics

August Temperature

Laurence G Hanscom Field Airport (8.1 miles)

  • Lowest 4 August, 2026

    60.1 °F

  • Average August

    76 °F

  • Highest 7 August, 2026

    91 °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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