Garnet Valley Weather Forecast

    • 62
    • 77

    Rain Showers

    • 56
    • 71

    Rain Showers Likely

    • 53
    • 64

    Rain Showers

    • 53
    • 64

    Chance Rain Showers

    • 52
    • 64

    Chance Rain Showers

    • 52
    • 65

    Slight Chance Rain Showers

    • 53
    • 69

    Partly Sunny

Today 20 Sep Delaware

Partly sunny. Highs in the lower 70s.

Tonight 20 Sep Delaware

Mostly cloudy. Showers with a slight chance of Thunderstorms this Evening, then a slight chance of Showers after midnight. Lows in the lower 60s. West Winds around 5 Mph, becoming north after midnight. Chance of rain 90 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Garnet Valley Temperature Statistics

September Temperature

Philadelphia, Philadelphia International Airport (12.4 miles)

  • Lowest 15 September, 2026

    58.6 °F

  • Average September

    77 °F

  • Highest 1 September, 2026

    93.7 °F

Climate (2021–2026)

Philadelphia, Philadelphia International Airport (12.4 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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