Belle Haven Weather Forecast
- 19
- 31
Becoming Sunny
- 28
- 38
Mostly Sunny
- 31
- 50
Mostly Cloudy
- 41
- 55
Rain
- 27
- 49
Partly Sunny
- 37
- 44
Partly Sunny
- 33
- 52
Slight Chance Rain
Today 15 Dec Fairfax
Partly sunny. Highs in the lower 30s. Southwest Winds around 5 Mph.
Tonight 15 Dec Fairfax
Mostly clear. Lows around 18. Southwest Winds around 5 Mph.
Belle Haven Temperature Statistics
December Temperature
Washington/Reagan National Airport, DC (4.3 miles)
Lowest 9 December, 2025
21 °FAverage December
35.5 °FHighest 1 December, 2025
46 °F
Climate (2020–Present)
Washington/Reagan National Airport, DC (4.3 miles)
Average Low 2020–2025
52.5 °FAverage 2020–2025
60.4 °FAverage High 2020–2025
69.1 °F