Great South Bay Weather Forecast

    • 73
    • 80

    Slight Chance Thunderstorms

    • 76
    • 89

    Sunny

    • 76
    • 92

    Slight Chance Thunderstorms

    • 74
    • 88

    Chance Thunderstorms

    • 72
    • 86

    Rain Showers Likely

    • 71
    • 82

    Chance Rain Showers

    • 70
    • 80

    Partly Sunny

Today 1 Jul Southwest Suffolk

Sunny with a slight chance of Showers and Thunderstorms. Highs in the mid 80s. Southwest Winds around 15 Mph with Gusts up to 30 Mph. Chance of rain 20 percent. Heat index Values in the upper 90s.

Tonight 1 Jul Southwest Suffolk

Partly cloudy. A slight chance of Showers and Thunderstorms in the evening. Humid with Lows in the lower 70s. Southwest Winds 15 to 20 Mph with Gusts up to 30 Mph. Chance of rain 20 percent.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Great South Bay Temperature Statistics

July Temperature

Islip, Long Island Mac Arthur Airport (8.1 miles)

  • Lowest

    –

  • Average July

    –

  • Highest

    –

Climate (2021–2026)

Islip, Long Island Mac Arthur Airport (8.1 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