Belmont Bay Weather Forecast
- 63
- 79
Increasing Clouds
- 49
- 67
Rain Showers
- 47
- 60
Mostly Sunny
- 55
- 63
Mostly Cloudy
- 55
- 65
Mostly Cloudy
- 54
- 62
Slight Chance Rain Showers
Today 7 Oct Fairfax
Mostly sunny. Highs around 80. South Winds 5 to 10 Mph.
Tonight 7 Oct Fairfax
Mostly clear. Lows around 60. South Winds around 5 Mph.
Belmont Bay Temperature Statistics
October Temperature
Fort Belvoir (5 miles)
Lowest 2 October, 2025
46.6 °FAverage October
61 °FHighest 4 October, 2025
78.8 °F
Climate (2020–Present)
Fort Belvoir (5 miles)
Average Low 2020–2025
47.9 °FAverage 2020–2025
58.1 °FAverage High 2020–2025
68.4 °F