Mason Neck National Wildlife Refuge Weather Forecast
- 58
- 79
Rain Showers
- 51
- 73
Rain Showers Likely
- 54
- 73
Partly Sunny
- 57
- 75
Mostly Sunny
- 63
- 84
Mostly Sunny
- 69
- 88
Partly Sunny
- 73
- 90
Chance Rain Showers
Today 30 May Charles
Mostly cloudy with a chance of Showers and Thunderstorms. Highs in the upper 70s. South Winds 5 to 10 Mph. Chance of rain 50 percent.
Tonight 30 May Charles
Mostly cloudy. Showers and numerous Thunderstorms this Evening, then a chance of Showers after midnight. Some Thunderstorms may be severe with damaging Winds, large Hail, Tornadoes, and heavy rainfall. Locally heavy rainfall possible this evening. Breezy with Lows in the upper 50s. South Winds 10 to 15 Mph with Gusts up to 25 Mph, increasing to west 20 to 25 Mph with Gusts up to 40 Mph after midnight. Chance of rain 90 percent.
Mason Neck National Wildlife Refuge Temperature Statistics
May Temperature
Fort Belvoir (5.6 miles)
Lowest 10 May, 2025
41.9 °FAverage May
66.1 °FHighest 16 May, 2025
89.2 °F
Climate (2020–Present)
Fort Belvoir (5.6 miles)
Average Low 2020–2025
47.9 °FAverage 2020–2025
58.1 °FAverage High 2020–2025
68.4 °F