St James Weather Forecast

    • 47
    • 64

    Rain Showers

    • 44
    • 61

    Mostly Sunny

    • 43
    • 60

    Mostly Sunny

    • 42
    • 58

    Partly Sunny

    • 41
    • 57

    Partly Sunny

    • 42
    • 56

    Mostly Cloudy

Today 22 Oct Northwest Suffolk

Partly sunny with Showers with isolated Thunderstorms this Morning, then sunny this afternoon. Highs in the mid 60s. Southwest Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of rain 90 percent.

Tonight 22 Oct Northwest Suffolk

Showers with isolated Thunderstorms. Lows in the mid 50s. Southwest Winds 5 to 10 Mph. Chance of rain 90 percent.

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St James Temperature Statistics

October Temperature

Islip, Long Island Mac Arthur Airport (6.2 miles)

  • Lowest 10 October, 2025

    42.1 °F

  • Average October

    61.3 °F

  • Highest 4 October, 2025

    82 °F

Climate (2020–Present)

Islip, Long Island Mac Arthur Airport (6.2 miles)

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  • Average Low 2020–2025

    47.5 °F

  • Average 2020–2025

    55.3 °F

  • Average High 2020–2025

    63.2 °F
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