Boston Harbor - Boston Main Channel Weather Forecast

    • 45
    • 49

    Slight Chance Rain

    • 38
    • 53

    Rain

    • 35
    • 50

    Partly Sunny

    • 41
    • 49

    Slight Chance Rain Showers

    • 42
    • 57

    Slight Chance Rain Showers

    • 45
    • 58

    Partly Sunny

Today 18 Apr Suffolk

Cloudy. Areas of fog this morning. Cooler. Near steady temperature in the upper 40s. Northeast Winds 5 to 10 Mph. Gusts up to 20 Mph this morning.

Tonight 18 Apr Suffolk

Cloudy. Patchy fog. Near steady temperature in the mid 40s. East Winds 5 to 10 Mph, becoming southeast after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Boston Harbor - Boston Main Channel Temperature Statistics

April Temperature

Boston, Logan International Airport (0.6 miles)

  • Lowest 8 April, 2026

    29.6 °F

  • Average April

    50.1 °F

  • Highest 14 April, 2026

    78.7 °F

Climate (2021–Present)

Boston, Logan International Airport (0.6 miles)

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  • Average Low 2021–2026

    46.8 °F

  • Average 2021–2026

    53.6 °F

  • Average High 2021–2026

    61 °F
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