Slate Island Weather Forecast

    • 48
    • 59

    Mostly Cloudy

    • 49
    • 55

    Slight Chance Rain Showers

    • 47
    • 51

    Rain Showers Likely

    • 49
    • 50

    Rain Showers

    • 49
    • 53

    Chance Rain Showers

    • 50
    • 58

    Chance Rain Showers

Today 19 May Eastern Norfolk

Mostly cloudy with isolated Showers. Cooler with Highs around 60. Northwest Winds 15 to 20 Mph with Gusts up to 35 Mph. Chance of rain 20 percent.

Tonight 19 May Eastern Norfolk

Mostly cloudy. Lows in the mid 40s. Northwest Winds 15 to 20 Mph with Gusts up to 30 Mph.

Graph Plots Open in Graphs
  • Temperature Forecast NOAA

  • Temperature Real-Time

Slate Island Temperature Statistics

May Temperature

Boston, Logan International Airport (8.1 miles)

  • Lowest 1 May, 2025

    46.7 °F
  • Average May

    59.5 °F
  • Highest 3 May, 2025

    84.7 °F

Climate (2020–Present)

Boston, Logan International Airport (8.1 miles)

Take a look at our website widgetsAvailable free! Find Out More
  • Average Low 2020–2025

    47 °F
  • Average 2020–2025

    53.8 °F
  • Average High 2020–2025

    61.1 °F
Get WillyWeather+ to remove ads