Holly Knoll Park Weather Forecast
- 40
- 59
Mostly Cloudy
- 44
- 58
Mostly Cloudy
- 61
- 66
Rain Showers
- 47
- 73
Rain Showers
- 39
- 56
Mostly Sunny
- 49
- 67
Partly Sunny
Today 13 Mar Eastern Loudoun
Mostly cloudy. Highs in the upper 50s. East Winds around 5 Mph.
Tonight 13 Mar Eastern Loudoun
Partly cloudy in the Evening, then becoming mostly cloudy. Lows around 40. East Winds 5 to 10 Mph.
Holly Knoll Park Temperature Statistics
March Temperature
Washington/Dulles International Airport, DC (6.8 miles)
Lowest 3 March, 2025
20.8 °FAverage March
45.5 °FHighest 11 March, 2025
73 °F
Climate (2020–Present)
Washington/Dulles International Airport, DC (6.8 miles)
Average Low 2020–2025
47.7 °FAverage 2020–2025
58.1 °FAverage High 2020–2025
68.2 °F