Affton Rainfall Forecast

Today 23 Oct
No Rain
Fri 24 Oct
20%
Sat 25 Oct
20%
Sun 26 Oct
45%
Mon 27 Oct
40%
Tue 28 Oct
40%
Wed 29 Oct
35%

Affton Rainfall Statistics

October Rainfall

St. Louis Downtown Airport (9.9 miles)

Total Rainfall 2025
34.5in
Daily Average 2025
0.1in
Wettest Day 4 April, 2025
2.5in
Wet Days 2025
78/296 (26%)
Total Rainfall September
1.9in
Daily Average September
0.1in
Wettest Day 23 September, 2025
0.9in
Wet Days September
7/30 (23%)
Total Rainfall October
1.9in
Daily Average October
0.1in
Wettest Day 18 October, 2025
1.8in
Wet Days October
2/23 (9%)

Climate (2010–Present)

St. Louis Downtown Airport (9.9 miles)

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Annual Average 2020–2024
45.4in
Monthly Average 2020–2025
3.7in
Daily Average 2020–2025
0.1in
Wettest Day 26 July, 2022
7.2in

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