Mount Vernon District Park Weather Forecast
- 69
- 82
Rain Showers Likely
- 68
- 83
Rain Showers Likely
- 66
- 84
Slight Chance Thunderstorms
- 64
- 83
Mostly Sunny
- 66
- 83
Partly Sunny
- 70
- 86
Chance Thunderstorms
Today 21 Aug Fairfax
Partly sunny. Highs in the lower 80s. Northeast Winds around 5 Mph.
Tonight 21 Aug Fairfax
Mostly cloudy. Showers likely with a chance of Thunderstorms after midnight. Lows in the upper 60s. East Winds around 5 Mph. Chance of rain 70 percent.
Mount Vernon District Park Temperature Statistics
August Temperature
Washington/Reagan National Airport, DC (5.6 miles)
Lowest 1 August, 2026
71.7 °FAverage August
82.1 °FHighest 9 August, 2026
94.6 °F
Climate (2021–2026)
Washington/Reagan National Airport, DC (5.6 miles)
Average Low 2021–2026
52.4 °FAverage 2021–2026
60.5 °FAverage High 2021–2026
69.3 °F