Winchester Weather Forecast

    • 57
    • 84

    Becoming Sunny

    • 58
    • 82

    Mostly Sunny

    • 64
    • 82

    Rain Showers Likely

    • 63
    • 82

    Slight Chance Rain Showers

    • 62
    • 83

    Partly Sunny

    • 67
    • 86

    Slight Chance Rain Showers

Today 14 Aug Southeast Middlesex

Sunny. Highs in the lower 80s. Northwest Winds 5 to 10 Mph.

Tonight 14 Aug Southeast Middlesex

Mostly clear. Lows in the upper 50s. Northwest Winds 5 to 10 Mph.

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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

    76.4 °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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