Newington Weather Forecast
- 67
- 79
Rain Showers
- 64
- 84
Slight Chance Rain Showers
- 63
- 83
Mostly Sunny
- 66
- 83
Mostly Sunny
- 69
- 86
Mostly Cloudy
- 70
- 85
Chance Thunderstorms
Today 22 Aug Arlington/Falls Church/Alexandria
A chance of Thunderstorms. Showers, mainly in the morning. Highs in the upper 70s. East Winds around 5 Mph. Chance of rain 80 percent.
Tonight 22 Aug Arlington/Falls Church/Alexandria
A chance of Thunderstorms in the evening. Mostly cloudy with a chance of Showers. Lows in the upper 60s. East Winds around 5 Mph in the Evening, becoming light and variable. Chance of rain 40 percent.
Newington Temperature Statistics
August Temperature
Fort Belvoir (1.2 miles)
Lowest 19 August, 2026
64.9 °FAverage August
79.6 °FHighest 8 August, 2026
92.8 °F
Climate (2021–2026)
Fort Belvoir (1.2 miles)
Average Low 2021–2026
47.8 °FAverage 2021–2026
58.1 °FAverage High 2021–2026
68.4 °F