Joliet Rainfall Forecast

Today 3 Oct
35%
Sun 4 Oct
15%
Mon 5 Oct
5%
Tue 6 Oct
No Rain
Wed 7 Oct
No Rain
Thu 8 Oct
10%
Fri 9 Oct
20%

Joliet Rainfall Statistics

October Rainfall

San Marcos, San Marcos Municipal Airport (13.7 miles)

Total Rainfall 2026
19.6in
Daily Average 2026
0.1in
Wettest Day 4 April, 2026
2in
Wet Days 2026
59/276 (21%)
Total Rainfall September
0.4in
Daily Average September
0.01in
Wettest Day 11 September, 2026
0.3in
Wet Days September
2/30 (7%)
Total Rainfall October
0.6in
Daily Average October
0.6in
Wettest Day 1 October, 2026
0.6in
Wet Days October
1/3 (33%)

Climate (2021–2025)

San Marcos, San Marcos Municipal Airport (13.7 miles)

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Annual Average 2021–2025
15.4in
Monthly Average 2021–2026
1.6in
Daily Average 2021–2026
0.1in
Wettest Day 6 April, 2023
2.8in

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