Brentwood Weather Forecast

    • 67
    • 89

    Partly Sunny

    • 72
    • 89

    Mostly Sunny

    • 69
    • 90

    Chance Thunderstorms

    • 65
    • 84

    Partly Sunny

    • 68
    • 82

    Slight Chance Rain Showers

    • 69
    • 86

    Partly Sunny

Today 8 Sep District of Columbia

Mostly sunny. Highs in the upper 80s. Southwest Winds around 5 Mph.

Tonight 8 Sep District of Columbia

Partly cloudy. Lows in the upper 60s. South Winds around 5 Mph.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Brentwood Temperature Statistics

September Temperature

College Park Airport (3.1 miles)

  • Lowest 6 September, 2026

    59.7 °F

  • Average September

    78.5 °F

  • Highest 1 September, 2026

    96.3 °F

Climate (2021–2026)

College Park Airport (3.1 miles)

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

  • Average Low 2021–2026

    48 °F

  • Average 2021–2026

    57.8 °F

  • Average High 2021–2026

    67.5 °F
Get WillyWeather+ to remove ads