Winchester Weather Forecast

    • 62
    • 72

    Rain Showers

    • 48
    • 75

    Partly Sunny

    • 54
    • 68

    Mostly Sunny

    • 61
    • 78

    Partly Sunny

    • 63
    • 80

    Slight Chance Rain Showers

    • 57
    • 77

    Slight Chance Rain Showers

Today 13 Sep Southeast Middlesex

Showers with isolated Thunderstorms. Locally heavy rainfall possible in the morning. Humid with Highs in the lower 70s. South Winds around 5 Mph, becoming east in the afternoon. Chance of rain 80 percent.

Tonight 13 Sep Southeast Middlesex

Mostly cloudy and not as cool. Near steady temperature in the lower 60s. South Winds around 5 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 7 September, 2026

    46.9 °F

  • Average September

    66.7 °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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