Winchester Weather Forecast

    • 64
    • 84

    Mostly Sunny

    • 70
    • 91

    Chance Rain Showers

    • 76
    • 99

    Partly Sunny

    • 80
    • 103

    Hot

    • 74
    • 101

    Slight Chance Thunderstorms

    • 70
    • 94

    Chance Rain Showers

Today 29 Jun Southeast Middlesex

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

Tonight 29 Jun Southeast Middlesex

Mostly clear. Lows in the mid 60s. Southeast Winds around 5 Mph, becoming south after midnight.

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Winchester Temperature Statistics

June Temperature

Laurence G Hanscom Field Airport (8.1 miles)

  • Lowest 2 June, 2026

    39 °F

  • Average June

    69.7 °F

  • Highest 11 June, 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

    51.6 °F

  • Average High 2021–2026

    61.6 °F
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