Griffith-Merrillville Airport Rainfall Forecast

Today 10 May
No Rain
Mon 11 May
10%
Tue 12 May
30%
Wed 13 May
55%
Thu 14 May
No Rain
Fri 15 May
25%
Sat 16 May
40%

Griffith-Merrillville Airport Rainfall Statistics

May Rainfall

Gary Regional Airport (6.2 miles)

Total Rainfall 2026
2.9in
Daily Average 2026
0.02in
Wettest Day 2 April, 2026
0.8in
Wet Days 2026
24/130 (18%)
Total Rainfall April
2.2in
Daily Average April
0.1in
Wettest Day 2 April, 2026
0.8in
Wet Days April
12/30 (40%)
Total Rainfall May
0.03in
Daily Average May
0in
Wettest Day 1 May, 2026
0.03in
Wet Days May
1/10 (10%)

Climate (2010–Present)

Gary Regional Airport (6.2 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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