Winchester Weather Forecast

    • 50
    • 76

    Partly Sunny

    • 50
    • 62

    Partly Sunny

    • 55
    • 65

    Rain Showers Likely

    • 52
    • 65

    Partly Sunny

    • 52
    • 61

    Partly Sunny

    • 50
    • 62

    Partly Sunny

Today 18 Sep Southeast Middlesex

Sunny. Patchy fog this morning. Highs in the upper 70s. Northwest Winds 5 to 10 Mph with Gusts up to 20 Mph.

Tonight 18 Sep Southeast Middlesex

Mostly clear in the Evening, then becoming partly cloudy. Much cooler. Less humid with Lows around 50. North Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Winchester Temperature Statistics

September Temperature

Laurence G Hanscom Field Airport (8.1 miles)

  • Lowest 15 September, 2026

    41 °F

  • Average September

    65.4 °F

  • Highest 4 September, 2026

    84 °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

    51.6 °F

  • Average High 2021–2026

    61.7 °F
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