Newington Weather Forecast

    • 60
    • 74

    Slight Chance Rain Showers

    • 64
    • 81

    Partly Sunny

    • 64
    • 85

    Mostly Sunny

    • 64
    • 88

    Mostly Cloudy

    • 61
    • 74

    Rain Showers Likely

    • 56
    • 69

    Rain Showers Likely

Today 29 Sep Arlington/Falls Church/Alexandria

Mostly cloudy with a 30 percent chance of Showers. Highs in the mid 70s. Northwest Winds around 5 Mph.

Tonight 29 Sep Arlington/Falls Church/Alexandria

Partly cloudy. Lows in the upper 50s. Light and variable Winds.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Newington Temperature Statistics

September Temperature

Fort Belvoir (1.2 miles)

  • Lowest 25 September, 2026

    52 °F

  • Average September

    72.4 °F

  • Highest 1 September, 2026

    96.4 °F

Climate (2021–2026)

Fort Belvoir (1.2 miles)

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

  • Average Low 2021–2026

    47.8 °F

  • Average 2021–2026

    58.2 °F

  • Average High 2021–2026

    68.3 °F
Get WillyWeather+ to remove ads