Winchester Weather Forecast

    • 62
    • 81

    Rain Showers Likely

    • 63
    • 85

    Mostly Sunny

    • 68
    • 85

    Partly Sunny

    • 73
    • 88

    Slight Chance Thunderstorms

    • 72
    • 91

    Slight Chance Thunderstorms

    • 71
    • 88

    Slight Chance Thunderstorms

    • 71
    • 89

    Partly Sunny

Today 3 Aug Southeast Middlesex

Showers likely with a chance of Thunderstorms. Patchy fog. Near steady temperature in the upper 70s. South Winds 10 to 15 Mph with Gusts up to 30 Mph. Chance of rain 70 percent.

Tonight 3 Aug Southeast Middlesex

Mostly cloudy with Showers likely with a chance of Thunderstorms this Evening, then mostly clear after midnight. Patchy fog this evening. Cooler with Lows in the lower 60s. West Winds 10 to 15 Mph. Gusts up to 25 Mph this evening. Chance of rain 60 percent.

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  • Temperature Real-Time

Winchester Temperature Statistics

August Temperature

Laurence G Hanscom Field Airport (8.1 miles)

  • Lowest 1 August, 2026

    63 °F

  • Average August

    75.8 °F

  • Highest 1 August, 2026

    87.1 °F

Climate (2021–2026)

Laurence G Hanscom Field Airport (8.1 miles)

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  • Average Low 2021–2026

    41.3 °F

  • Average 2021–2026

    51.7 °F

  • Average High 2021–2026

    61.7 °F
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