South Run Park Weather Forecast
- 40
- 45
Rain
- 40
- 58
Rain Likely
- 35
- 54
Rain/Snow Likely
- 31
- 41
Rain/Snow Likely
- 27
- 40
Partly Sunny
- 26
- 40
Partly Sunny
Today 19 Feb Fairfax
A slight chance of rain late this Morning, then rain this afternoon. Patchy fog. Visibility one quarter mile or less at Times late this morning. Highs in the mid 40s. East Winds 5 to 10 Mph. Chance of rain near 100 percent.
Tonight 19 Feb Fairfax
Rain. Patchy fog in the evening. Areas of fog after midnight. Lows around 40. East Winds 5 to 10 Mph. Chance of rain near 100 percent.
South Run Park Temperature Statistics
February Temperature
Fort Belvoir (5 miles)
Lowest 9 February, 2026
9.9 °FAverage February
31.2 °FHighest 14 February, 2026
56.7 °F
Climate (2021–Present)
Fort Belvoir (5 miles)
Average Low 2021–2026
47.6 °FAverage 2021–2026
57.9 °FAverage High 2021–2026
68.2 °F