Mystic River - Island End River Weather Forecast

    • 56
    • 59

    Chance Rain Showers

    • 49
    • 73

    Chance Rain Showers

    • 48
    • 58

    Chance Rain Showers

    • 36
    • 59

    Rain Showers Likely

    • 32
    • 49

    Slight Chance Rain Showers

    • 41
    • 54

    Partly Sunny

Today 16 Apr Suffolk

Mostly cloudy this Morning, then partly sunny with a slight chance of Showers this afternoon. Patchy fog this morning. Much cooler with Highs in the upper 50s. North Winds around 5 Mph, becoming east around 5 Mph this afternoon. Chance of rain 20 percent.

Tonight 16 Apr Suffolk

Mostly cloudy. A chance of Showers with a slight chance of Thunderstorms in the Evening, then a slight chance of Showers after midnight. Patchy fog after midnight. Near steady temperature in the mid 50s. Southeast Winds 5 to 10 Mph, becoming southwest after midnight. Chance of rain 40 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Mystic River - Island End River Temperature Statistics

April Temperature

Boston, Logan International Airport (2.5 miles)

  • Lowest 8 April, 2026

    29.6 °F

  • Average April

    48.1 °F

  • Highest 1 April, 2026

    71.7 °F

Climate (2021–Present)

Boston, Logan International Airport (2.5 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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