Mason Neck National Wildlife Refuge Weather Forecast
- 76
- 92
Chance Thunderstorms
- 77
- 92
Thunderstorms Likely
- 77
- 92
Mostly Sunny
- 78
- 96
Mostly Sunny
- 77
- 97
Chance Rain Showers
- 71
- 90
Rain Showers Likely
- 66
- 81
Slight Chance Thunderstorms
Today 26 Jul Charles
Mostly sunny. Highs in the lower 90s. Southeast Winds around 5 Mph.
Tonight 26 Jul Charles
Partly cloudy with a slight chance of Showers and Thunderstorms this Evening, then mostly cloudy with a chance of Showers and Thunderstorms after midnight. Lows in the mid 70s. Southeast Winds around 5 Mph. Chance of rain 30 percent.
Mason Neck National Wildlife Refuge Temperature Statistics
July Temperature
Fort Belvoir (5.6 miles)
Lowest 5 July, 2025
61.7 °FAverage July
80.3 °FHighest 8 July, 2025
96.3 °F
Climate (2020–Present)
Fort Belvoir (5.6 miles)
Average Low 2020–2025
48 °FAverage 2020–2025
58.1 °FAverage High 2020–2025
68.4 °F