Winchester Weather Forecast

    • 47
    • 56

    Decreasing Clouds

    • 60
    • 78

    Rain Showers

    • 55
    • 85

    Mostly Sunny

    • 59
    • 76

    Mostly Sunny

    • 66
    • 91

    Partly Sunny

    • 57
    • 88

    Thunderstorms

    • 51
    • 69

    Partly Sunny

Today 15 May Southeast Middlesex

Cloudy with isolated Showers. Patchy fog. Near steady temperature in the lower 50s. Northeast Winds 5 to 10 Mph. Chance of rain 20 percent.

Tonight 15 May Southeast Middlesex

Mostly cloudy this Evening, then becoming partly cloudy. Patchy fog after midnight. Lows in the upper 40s. Northwest Winds around 5 Mph, becoming west around 5 Mph after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Winchester Temperature Statistics

May Temperature

Laurence G Hanscom Field Airport (8.1 miles)

  • Lowest 9 May, 2026

    34 °F

  • Average May

    54.5 °F

  • Highest 5 May, 2026

    81 °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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