South Run Park Weather Forecast
- 48
- 59
Mostly Cloudy
- 55
- 75
Rain Likely
- 34
- 63
Rain Likely
- 33
- 51
Mostly Sunny
- 42
- 59
Partly Sunny
- 52
- 66
Mostly Cloudy
Today 25 Mar Fairfax
Partly sunny. Highs in the upper 50s. South Winds 5 to 10 Mph.
Tonight 25 Mar Fairfax
Mostly cloudy in the Evening, then becoming partly cloudy. Lows in the upper 40s. South Winds 5 to 10 Mph with Gusts up to 20 Mph.
South Run Park Temperature Statistics
March Temperature
Fort Belvoir (5 miles)
Lowest 13 March, 2026
25.3 °FAverage March
52.5 °FHighest 11 March, 2026
86.5 °F
Climate (2021–Present)
Fort Belvoir (5 miles)
Average Low 2021–2026
47.6 °FAverage 2021–2026
58 °FAverage High 2021–2026
68.2 °F