Merrillville Rainfall Forecast

Today 20 Sep
100%
Mon 21 Sep
50%
Tue 22 Sep
10%
Wed 23 Sep
5%
Thu 24 Sep
No Rain
Fri 25 Sep
No Rain
Sat 26 Sep
10%

Merrillville Rainfall Statistics

September Rainfall

Gary Regional Airport (9.3 miles)

Total Rainfall 2026
6.4in
Daily Average 2026
0.02in
Wettest Day 2 April, 2026
0.8in
Wet Days 2026
40/263 (15%)
Total Rainfall August
0.5in
Daily Average August
0.02in
Wettest Day 1 August, 2026
0.3in
Wet Days August
5/31 (16%)
Total Rainfall September
0in
Daily Average September
0in
Wettest Day 1 September, 2026
0in
Wet Days September
–

Climate (2021–2025)

Gary Regional Airport (9.3 miles)

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Annual Average 2021–2025
7.4in
Monthly Average 2021–2026
0.7in
Daily Average 2021–2026
0.02in
Wettest Day 17 August, 2025
2.4in

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