Winchester Weather Forecast

    • 43
    • 53

    Rain Showers

    • 50
    • 70

    Chance Rain Showers

    • 47
    • 63

    Chance Rain Showers

    • 50
    • 69

    Slight Chance Thunderstorms

    • 53
    • 68

    Slight Chance Rain Showers

    • 60
    • 78

    Partly Sunny

Today 30 May Southeast Middlesex

Showers. Patchy fog. Much cooler. Near steady temperature in the upper 40s. North Winds 15 to 20 Mph with Gusts up to 45 Mph. Chance of rain near 100 percent.

Tonight 30 May Southeast Middlesex

Partly cloudy with a slight chance of Showers in the Evening, then mostly clear after midnight. Lows in the lower 40s. North Winds 10 to 15 Mph with Gusts up to 30 Mph, becoming northwest around 5 Mph after midnight. Chance of rain 20 percent.

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Winchester Temperature Statistics

May Temperature

Laurence G Hanscom Field Airport (8.1 miles)

  • Lowest 9 May, 2026

    34 °F

  • Average May

    59.3 °F

  • Highest 19 May, 2026

    95 °F

Climate (2021–Present)

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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