Winchester Weather Forecast

    • 49
    • 64

    Mostly Sunny

    • 51
    • 63

    Chance Rain Showers

    • 54
    • 65

    Rain Showers Likely

    • 55
    • 64

    Rain Showers Likely

    • 53
    • 63

    Chance Rain Showers

    • 53
    • 63

    Chance Rain Showers

Today 23 Sep Southeast Middlesex

Mostly sunny. Highs in the mid 60s. Northeast Winds 10 to 15 Mph with Gusts up to 30 Mph.

Tonight 23 Sep Southeast Middlesex

Mostly clear. Lows in the upper 40s. Northeast Winds 10 to 15 Mph. Gusts up to 25 Mph in the evening.

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Winchester Temperature Statistics

September Temperature

Laurence G Hanscom Field Airport (8.1 miles)

  • Lowest 15 September, 2026

    41 °F

  • Average September

    64.9 °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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