Winchester Weather Forecast

    • 62
    • 77

    Chance Rain Showers

    • 60
    • 80

    Mostly Sunny

    • 60
    • 80

    Mostly Sunny

    • 63
    • 83

    Mostly Sunny

    • 66
    • 85

    Chance Rain Showers

    • 66
    • 84

    Chance Rain Showers

Today 23 Aug Southeast Middlesex

Showers with isolated Thunderstorms. Some Thunderstorms may produce heavy rainfall. Near steady temperature in the mid 70s. East Winds around 5 Mph. Chance of rain near 100 percent.

Tonight 23 Aug Southeast Middlesex

Mostly cloudy with a chance of Showers with a slight chance of Thunderstorms in the Evening, then partly cloudy after midnight. Patchy fog after midnight. Some Thunderstorms may produce heavy rainfall in the evening. Humid with Lows in the lower 60s. Southeast Winds around 5 Mph, becoming southwest around 5 Mph after midnight. Chance of rain 40 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Winchester Temperature Statistics

August Temperature

Laurence G Hanscom Field Airport (8.1 miles)

  • Lowest 16 August, 2026

    50 °F

  • Average August

    73.8 °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

    41.2 °F

  • Average 2021–2026

    51.7 °F

  • Average High 2021–2026

    61.7 °F
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