Winchester Weather Forecast

    • 54
    • 75

    Increasing Clouds

    • 59
    • 73

    Chance Rain Showers

    • 61
    • 79

    Slight Chance Rain Showers

    • 50
    • 81

    Mostly Sunny

    • 47
    • 67

    Mostly Sunny

    • 53
    • 72

    Mostly Sunny

Today 16 Sep Southeast Middlesex

Mostly sunny. Patchy fog in the morning. Visibility one quarter mile or less at Times in the morning. Highs in the mid 70s. Northeast Winds around 5 Mph, becoming east in the afternoon.

Tonight 16 Sep Southeast Middlesex

Partly cloudy in the Evening, then becoming mostly cloudy. Lows in the mid 50s. East Winds around 5 Mph in the Evening, becoming light and variable.

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Winchester Temperature Statistics

September Temperature

Laurence G Hanscom Field Airport (8.1 miles)

  • Lowest 9 September, 2025

    43 °F

  • Average September

    63.1 °F

  • Highest 6 September, 2025

    86 °F

Climate (2020–Present)

Laurence G Hanscom Field Airport (8.1 miles)

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  • Average Low 2020–2025

    41.7 °F

  • Average 2020–2025

    51.9 °F

  • Average High 2020–2025

    62 °F
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