Mason Neck State Park Rainfall Forecast

Today 30 Jun
No Rain
Wed 1 Jul
20%
Thu 2 Jul
No Rain
Fri 3 Jul
15%
Sat 4 Jul
55%
Sun 5 Jul
40%
Mon 6 Jul
45%

Mason Neck State Park Rainfall Statistics

June Rainfall

Fort Belvoir (4.3 miles)

Total Rainfall 2026
11.3in
Daily Average 2026
0.1in
Wettest Day 25 January, 2026
1.3in
Wet Days 2026
53/181 (29%)
Total Rainfall May
2.4in
Daily Average May
0.1in
Wettest Day 13 May, 2026
0.6in
Wet Days May
14/31 (45%)
Total Rainfall June
2.3in
Daily Average June
0.1in
Wettest Day 22 June, 2026
1in
Wet Days June
8/30 (27%)

Climate (2021–2025)

Fort Belvoir (4.3 miles)

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Annual Average 2021–2025
32.3in
Monthly Average 2021–2026
2.6in
Daily Average 2021–2026
0.1in
Wettest Day 22 December, 2021
3.2in

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