Downtown (Boston) Weather Forecast

    • 39
    • 53

    Sunny

    • 44
    • 57

    Partly Sunny

    • 47
    • 59

    Mostly Cloudy

    • 46
    • 54

    Mostly Cloudy

    • 47
    • 57

    Partly Sunny

    • 46
    • 57

    Partly Sunny

Today 18 Oct Suffolk

Sunny. Areas of frost in the morning. Highs in the lower 50s. Northwest Winds around 5 Mph, becoming southeast around 5 Mph in the afternoon.

Tonight 18 Oct Suffolk

Clear. Lows around 40. Southeast Winds around 5 Mph, becoming southwest after midnight.

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Downtown (Boston) Temperature Statistics

October Temperature

Boston, Logan International Airport (1.9 miles)

  • Lowest 7 October, 2026

    43.6 °F

  • Average October

    61.4 °F

  • Highest 2 October, 2026

    87.7 °F

Climate (2021–2026)

Boston, Logan International Airport (1.9 miles)

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  • Average Low 2021–2026

    46.6 °F

  • Average 2021–2026

    53.5 °F

  • Average High 2021–2026

    60.9 °F
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