Winchester Weather Forecast

    • 47
    • 69

    Chance Rain Showers

    • 47
    • 60

    Slight Chance Rain Showers

    • 52
    • 72

    Slight Chance Rain Showers

    • 55
    • 73

    Mostly Sunny

    • 61
    • 82

    Partly Sunny

    • 65
    • 87

    Partly Sunny

Today 31 May Southeast Middlesex

Partly Sunny, then becoming mostly cloudy. Numerous Showers with isolated Thunderstorms. Not as cool with Highs in the upper 60s. West Winds 5 to 10 Mph. Gusts up to 20 Mph. Chance of rain 60 percent.

Tonight 31 May Southeast Middlesex

Mostly cloudy. Scattered Showers with isolated Thunderstorms in the evening. Lows in the upper 40s. Northwest Winds around 5 Mph. Chance of rain 50 percent.

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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

    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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