Newington Weather Forecast

    • 72
    • 88

    Thunderstorms

    • 66
    • 86

    Partly Sunny

    • 66
    • 80

    Mostly Cloudy

    • 67
    • 86

    Rain Showers Likely

    • 63
    • 77

    Chance Rain Showers

    • 61
    • 73

    Chance Rain Showers

Today 17 Sep Arlington/Falls Church/Alexandria

Mostly cloudy with scattered Showers and Thunderstorms. Highs in the upper 80s. Southwest Winds around 5 Mph. Chance of rain 50 percent.

Tonight 17 Sep Arlington/Falls Church/Alexandria

Mostly cloudy with scattered Showers and Thunderstorms in the Evening, then partly cloudy after midnight. Lows in the lower 70s. Southwest Winds around 5 Mph, becoming west after midnight. Chance of rain 50 percent.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Newington Temperature Statistics

September Temperature

Fort Belvoir (1.2 miles)

  • Lowest 15 September, 2026

    53.8 °F

  • Average September

    75.8 °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

    68.4 °F
Get WillyWeather+ to remove ads