Shirley Weather Forecast

    • 56
    • 70

    Chance Rain

    • 53
    • 66

    Chance Rain

    • 52
    • 66

    Slight Chance Rain

    • 51
    • 66

    Chance Rain Showers

    • 52
    • 65

    Chance Rain Showers

    • 53
    • 66

    Chance Rain Showers

Today 21 Sep Southwest Suffolk

Mostly cloudy with a slight chance of rain this Morning, then partly sunny this afternoon. Highs around 70. Northeast Winds 15 to 20 Mph with Gusts up to 30 Mph. Chance of rain 20 percent.

Tonight 21 Sep Southwest Suffolk

Cloudy. A slight chance of rain after midnight. Lows in the upper 50s. Northeast Winds 15 to 20 Mph with Gusts up to 30 Mph. Chance of rain 20 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Shirley Temperature Statistics

September Temperature

Shirley, Brookhaven Airport (1.2 miles)

  • Lowest 15 September, 2026

    48.9 °F

  • Average September

    68.9 °F

  • Highest 10 September, 2026

    84.9 °F

Climate (2021–2026)

Shirley, Brookhaven Airport (1.2 miles)

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  • Average Low 2021–2026

    46 °F

  • Average 2021–2026

    54.5 °F

  • Average High 2021–2026

    62.5 °F
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