St James Weather Forecast

    • 42
    • 53

    Chance Rain Showers

    • 43
    • 63

    Mostly Sunny

    • 45
    • 62

    Mostly Cloudy

    • 46
    • 60

    Rain Showers Likely

    • 43
    • 57

    Chance Rain Showers

    • 43
    • 58

    Chance Rain Showers

Today 26 Apr Northwest Suffolk

Cloudy. A chance of Showers in the morning. Areas of fog in the morning. Highs in the mid 50s. Northeast Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of rain 50 percent.

Tonight 26 Apr Northwest Suffolk

Partly cloudy in the Evening, then clearing. Lows in the lower 40s. Northeast Winds 10 to 15 Mph.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

St James Temperature Statistics

April Temperature

Islip, Long Island Mac Arthur Airport (6.2 miles)

  • Lowest 9 April, 2026

    27.6 °F

  • Average April

    52.5 °F

  • Highest 16 April, 2026

    82.7 °F

Climate (2021–Present)

Islip, Long Island Mac Arthur Airport (6.2 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2021–2026

    47.3 °F

  • Average 2021–2026

    55.2 °F

  • Average High 2021–2026

    63 °F
Get WillyWeather+ to remove ads