Marengo Rainfall Forecast

Today 9 Sep
55%
Thu 10 Sep
85%
Fri 11 Sep
No Rain
Sat 12 Sep
40%
Sun 13 Sep
20%
Mon 14 Sep
25%
Tue 15 Sep
55%

Marengo Rainfall Statistics

September Rainfall

Knox County Airfield (15.5 miles)

Total Rainfall 2026
24.6in
Daily Average 2026
0.1in
Wettest Day 14 August, 2026
1.7in
Wet Days 2026
70/252 (28%)
Total Rainfall August
5.3in
Daily Average August
0.2in
Wettest Day 14 August, 2026
1.7in
Wet Days August
13/31 (42%)
Total Rainfall September
1.5in
Daily Average September
0.2in
Wettest Day 4 September, 2026
0.9in
Wet Days September
3/9 (33%)

Climate (2021–2025)

Knox County Airfield (15.5 miles)

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Annual Average 2021–2025
32.9in
Monthly Average 2021–2026
2.9in
Daily Average 2021–2026
0.1in
Wettest Day 2 April, 2024
3.1in

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