Riverton Rainfall Forecast

Today 8 Aug
20%
Sun 9 Aug
15%
Mon 10 Aug
15%
Tue 11 Aug
40%
Wed 12 Aug
60%
Thu 13 Aug
60%
Fri 14 Aug
35%

Riverton Rainfall Statistics

August Rainfall

Petersburg, Grant County Airport (23 miles)

Total Rainfall 2026
31in
Daily Average 2026
0.1in
Wettest Day 5 March, 2026
3.3in
Wet Days 2026
67/220 (30%)
Total Rainfall July
9.1in
Daily Average July
0.3in
Wettest Day 21 July, 2026
2.7in
Wet Days July
12/31 (39%)
Total Rainfall August
0.1in
Daily Average August
0.01in
Wettest Day 2 August, 2026
0.1in
Wet Days August
1/8 (13%)

Climate (2021–2025)

Petersburg, Grant County Airport (23 miles)

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Annual Average 2021–2025
23.7in
Monthly Average 2021–2026
2.4in
Daily Average 2021–2026
0.1in
Wettest Day 5 March, 2026
3.3in

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