Richardson Weather Forecast

    • 61
    • 77

    Chance Thunderstorms

    • 58
    • 71

    Rain Showers Likely

    • 59
    • 70

    Chance Thunderstorms

    • 58
    • 74

    Chance Thunderstorms

    • 54
    • 73

    Chance Rain Showers

    • 51
    • 70

    Partly Sunny

Today 18 Sep Polk

Partly sunny. Slight chance of Thunderstorms in the Morning, then chance of Thunderstorms in the afternoon. Highs in the upper 70s. Southeast Winds up to 10 Mph. Chance of Thunderstorms 50 percent.

Tonight 18 Sep Polk

Mostly cloudy with a 50 percent chance of Thunderstorms. Lows in the lower 60s. East Winds 5 to 10 Mph.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Richardson Temperature Statistics

September Temperature

Cumberland (16.2 miles)

  • Lowest 7 September, 2025

    37.4 °F

  • Average September

    59.8 °F

  • Highest 13 September, 2025

    82.4 °F

Climate (2020–Present)

Cumberland (16.2 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2020–2025

    35.6 °F

  • Average 2020–2025

    44.9 °F

  • Average High 2020–2025

    53.7 °F
Get WillyWeather+ to remove ads