Shirley Weather Forecast

    • 56
    • 74

    Mostly Sunny

    • 64
    • 78

    Chance Rain Showers

    • 67
    • 79

    Mostly Sunny

    • 60
    • 81

    Rain Showers Likely

    • 57
    • 74

    Chance Rain Showers

    • 56
    • 74

    Partly Sunny

    • 56
    • 72

    Mostly Cloudy

Today 3 Sep Southwest Suffolk

Mostly sunny. Near steady temperature in the lower 70s. South Winds around 10 Mph.

Tonight 3 Sep Southwest Suffolk

Mostly clear. Lows around 60. South Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Shirley Temperature Statistics

September Temperature

Shirley, Brookhaven Airport (1.2 miles)

  • Lowest 1 September, 2025

    52 °F

  • Average September

    63.5 °F

  • Highest 1 September, 2025

    72 °F

Climate (2020–Present)

Shirley, Brookhaven Airport (1.2 miles)

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  • Average Low 2020–2025

    46.7 °F

  • Average 2020–2025

    55 °F

  • Average High 2020–2025

    63 °F
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