Bismarck Rainfall Forecast

Today 14 Aug
75%
Sat 15 Aug
70%
Sun 16 Aug
5%
Mon 17 Aug
20%
Tue 18 Aug
55%
Wed 19 Aug
45%
Thu 20 Aug
20%

Bismarck Rainfall Statistics

August Rainfall

Bismarck, Bismarck Municipal Airport (1.9 miles)

Total Rainfall 2026
8.3in
Daily Average 2026
0.04in
Wettest Day 3 April, 2026
0.8in
Wet Days 2026
56/226 (25%)
Total Rainfall July
1in
Daily Average July
0.03in
Wettest Day 7 July, 2026
0.6in
Wet Days July
3/31 (10%)
Total Rainfall August
0.5in
Daily Average August
0.04in
Wettest Day 11 August, 2026
0.4in
Wet Days August
3/14 (21%)

Climate (2021–2025)

Bismarck, Bismarck Municipal Airport (1.9 miles)

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Annual Average 2021–2025
18.8in
Monthly Average 2021–2026
1.6in
Daily Average 2021–2026
0.1in
Wettest Day 20 July, 2025
2.6in

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