Lorton Weather Forecast
- 71
- 85
Rain Showers Likely
- 71
- 88
Chance Rain Showers
- 74
- 87
Rain Showers Likely
- 71
- 90
Chance Rain Showers
- 69
- 87
Mostly Sunny
- 72
- 89
Mostly Sunny
Today 14 Aug Fairfax
Mostly cloudy. A slight chance of Showers late this Morning, then a chance of Showers and Thunderstorms this afternoon. Highs in the mid 80s. Northeast Winds around 5 Mph. Chance of rain 50 percent.
Tonight 14 Aug Fairfax
Mostly cloudy. A chance of Showers and Thunderstorms in the evening. Lows around 70. North Winds around 5 Mph. Chance of rain 50 percent.
Lorton Temperature Statistics
August Temperature
Fort Belvoir (2.5 miles)
Lowest 1 August, 2026
65.5 °FAverage August
79.8 °FHighest 8 August, 2026
92.8 °F
Climate (2021–2026)
Fort Belvoir (2.5 miles)
Average Low 2021–2026
47.8 °FAverage 2021–2026
58.1 °FAverage High 2021–2026
68.3 °F