St James Weather Forecast

    • 40
    • 67

    Increasing Clouds

    • 40
    • 66

    Patchy Fog

    • 48
    • 60

    Chance Rain Showers

    • 29
    • 55

    Rain Likely

    • 35
    • 44

    Chance Rain

    • 33
    • 47

    Mostly Cloudy

    • 38
    • 50

    Rain Likely

Today 9 Mar Northwest Suffolk

Sunny. Highs in the mid 60s. Southwest Winds 5 to 10 Mph.

Tonight 9 Mar Northwest Suffolk

Partly cloudy in the Evening, then becoming mostly cloudy. Patchy fog after midnight. Lows around 40. Southwest Winds 5 to 10 Mph.

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  • Temperature Real-Time

St James Temperature Statistics

March Temperature

Islip, Long Island Mac Arthur Airport (6.2 miles)

  • Lowest 2 March, 2026

    19 °F

  • Average March

    34.8 °F

  • Highest 7 March, 2026

    46 °F

Climate (2021–Present)

Islip, Long Island Mac Arthur Airport (6.2 miles)

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  • Average Low 2021–2026

    47.3 °F

  • Average 2021–2026

    55.1 °F

  • Average High 2021–2026

    63 °F
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