Winchester Weather Forecast

    • 67
    • 75

    Chance Rain Showers

    • 65
    • 81

    Partly Sunny

    • 67
    • 87

    Chance Rain Showers

    • 63
    • 84

    Chance Rain Showers

    • 62
    • 82

    Slight Chance Rain Showers

    • 63
    • 79

    Slight Chance Rain Showers

Today 17 Aug Southeast Middlesex

Mostly cloudy. Showers Likely, mainly this morning. Patchy fog this morning. Highs in the mid 70s. South Winds 5 to 10 Mph, becoming southeast this afternoon. Chance of rain 60 percent.

Tonight 17 Aug Southeast Middlesex

Mostly cloudy. A chance of Showers, mainly in the evening. Patchy fog. Humid with Lows in the mid 60s. North Winds around 5 Mph. Chance of rain 30 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 15 August, 2026

    53.1 °F

  • Average August

    74.9 °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

    41.3 °F

  • Average 2021–2026

    51.7 °F

  • Average High 2021–2026

    61.7 °F
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