Newington Weather Forecast
- 69
- 86
Chance Thunderstorms
- 70
- 85
Chance Rain Showers
- 72
- 87
Rain Showers Likely
- 74
- 90
Chance Thunderstorms
- 73
- 90
Chance Thunderstorms
- 72
- 89
Rain Showers Likely
Today 3 Aug Arlington/Falls Church/Alexandria
Mostly cloudy late this Morning, then becoming partly sunny. A slight chance of Showers and Thunderstorms late this Morning, then a chance of Showers and Thunderstorms this afternoon. Highs in the mid 80s. West Winds around 5 Mph. Chance of rain 50 percent.
Tonight 3 Aug Arlington/Falls Church/Alexandria
Partly cloudy with a slight chance of Showers and Thunderstorms in the Evening, then mostly cloudy after midnight. Lows around 70. North Winds around 5 Mph. Chance of rain 20 percent.
Newington Temperature Statistics
August Temperature
Fort Belvoir (1.2 miles)
Lowest 1 August, 2026
65.5 °FAverage August
78.6 °FHighest 1 August, 2026
90.7 °F
Climate (2021–2026)
Fort Belvoir (1.2 miles)
Average Low 2021–2026
47.7 °FAverage 2021–2026
58.1 °FAverage High 2021–2026
68.3 °F