Riverside Weather Forecast

    • 67
    • 87

    Slight Chance Thunderstorms

    • 62
    • 82

    Partly Sunny

    • 59
    • 78

    Mostly Sunny

    • 60
    • 80

    Mostly Sunny

    • 63
    • 82

    Partly Sunny

    • 68
    • 81

    Slight Chance Rain Showers

Today 4 Sep Northwestern Burlington

Mostly sunny. A slight chance of Showers and Thunderstorms this afternoon. Hot with Highs in the mid 80s. Northwest Winds around 5 Mph. Chance of rain 20 percent.

Tonight 4 Sep Northwestern Burlington

Mostly cloudy. A slight chance of Showers and Thunderstorms in the evening. Humid with Lows in the mid 60s. Northwest Winds around 5 Mph. Chance of rain 20 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Riverside Temperature Statistics

September Temperature

Philadelphia, Northeast Philadelphia Airport (3.7 miles)

  • Lowest 2 September, 2026

    69.1 °F

  • Average September

    75.1 °F

  • Highest 1 September, 2026

    90 °F

Climate (2021–2026)

Philadelphia, Northeast Philadelphia Airport (3.7 miles)

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  • Average Low 2021–2026

    48.3 °F

  • Average 2021–2026

    57.5 °F

  • Average High 2021–2026

    66.4 °F
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