Winchester Weather Forecast

    • 63
    • 86

    Chance Rain Showers

    • 62
    • 79

    Partly Sunny

    • 63
    • 74

    Chance Rain Showers

    • 64
    • 82

    Chance Rain Showers

    • 59
    • 83

    Mostly Sunny

    • 60
    • 82

    Mostly Sunny

Today 20 Aug Southeast Middlesex

Sunny this Morning, then becoming partly sunny. Highs in the mid 80s. Northwest Winds around 5 Mph, becoming southwest around 5 Mph this afternoon.

Tonight 20 Aug Southeast Middlesex

Mostly cloudy. Showers Likely, mainly in the evening. Lows in the lower 60s. North Winds around 5 Mph. Chance of rain 60 percent.

Graph Plots Open in Graphs

  • 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

    74.2 °F

  • Highest 7 August, 2026

    91 °F

Climate (2021–2026)

Laurence G Hanscom Field Airport (8.1 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2021–2026

    41.2 °F

  • Average 2021–2026

    51.7 °F

  • Average High 2021–2026

    61.7 °F
Get WillyWeather+ to remove ads