Brookhaven Weather Forecast

    • 64
    • 77

    Slight Chance Rain Showers

    • 62
    • 79

    Rain Showers Likely

    • 55
    • 71

    Chance Rain Showers

    • 55
    • 65

    Chance Rain Showers

    • 55
    • 65

    Chance Rain Showers

    • 53
    • 64

    Chance Rain Showers

    • 54
    • 67

    Slight Chance Rain Showers

Today 19 Sep Delaware

Partly sunny. A chance of Showers in the morning. Highs around 70. Chance of rain 30 percent.

Tonight 19 Sep Delaware

Mostly cloudy. Lows in the lower 60s. East Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Brookhaven Temperature Statistics

September Temperature

Philadelphia, Philadelphia International Airport (8.1 miles)

  • Lowest 15 September, 2026

    58.6 °F

  • Average September

    76.9 °F

  • Highest 1 September, 2026

    93.7 °F

Climate (2021–2026)

Philadelphia, Philadelphia International Airport (8.1 miles)

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  • Average Low 2021–2026

    50.3 °F

  • Average 2021–2026

    58.6 °F

  • Average High 2021–2026

    67.2 °F
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