Fairfax Weather Forecast

    • 52
    • 68

    Partly Sunny

    • 55
    • 64

    Mostly Cloudy

    • 55
    • 62

    Chance Rain Showers

    • 49
    • 59

    Chance Rain Showers

    • 48
    • 57

    Chance Rain Showers

    • 48
    • 62

    Chance Rain

Today 29 Sep Arlington/Falls Church/Alexandria

Mostly cloudy. Highs around 70. Northeast Winds 10 to 15 Mph.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Fairfax Temperature Statistics

September Temperature

Washington/Dulles International Airport, DC (9.3 miles)

  • Lowest 24 September, 2022

    45 °F

  • Average September

    70.7 °F

  • Highest 4 September, 2022

    89.1 °F

Climate (2010–Present)

Washington/Dulles International Airport, DC (9.3 miles)

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

  • Average Low 2010–Present

    48.8 °F

  • Average 2010–Present

    58.5 °F

  • Average High 2010–Present

    68.1 °F
Get an account to remove ads