Occoquan Weather Forecast
- 70
- 83
Rain Showers
- 71
- 88
Rain Showers
- 70
- 89
Rain Showers Likely
- 67
- 85
Chance Thunderstorms
- 65
- 84
Slight Chance Thunderstorms
- 66
- 85
Slight Chance Thunderstorms
- 70
- 91
Mostly Sunny
Today 8 Jul Fairfax
Partly sunny with isolated Showers and Thunderstorms. Highs in the lower 80s. Southeast Winds around 5 Mph. Chance of rain 20 percent.
Tonight 8 Jul Fairfax
Mostly cloudy. Scattered Showers with isolated Thunderstorms after midnight. Lows around 70. South Winds around 5 Mph. Chance of rain 30 percent.
Occoquan Temperature Statistics
July Temperature
Fort Belvoir (4.3 miles)
Lowest 1 July, 2026
72.3 °FAverage July
85.4 °FHighest 4 July, 2026
101.3 °F
Climate (2021–2026)
Fort Belvoir (4.3 miles)
Average Low 2021–2026
47.7 °FAverage 2021–2026
58.1 °FAverage High 2021–2026
68.3 °F