Mayfair Rainfall Forecast

Today 14 Sep
20%
Tue 15 Sep
75%
Wed 16 Sep
60%
Thu 17 Sep
60%
Fri 18 Sep
35%
Sat 19 Sep
60%
Sun 20 Sep
45%

Mayfair Rainfall Statistics

September Rainfall

Joliet Regional Airport (5 miles)

Total Rainfall 2026
40.3in
Daily Average 2026
0.2in
Wettest Day 1 August, 2026
4.4in
Wet Days 2026
79/257 (31%)
Total Rainfall August
8.5in
Daily Average August
0.3in
Wettest Day 1 August, 2026
4.4in
Wet Days August
10/31 (32%)
Total Rainfall September
0.4in
Daily Average September
0.04in
Wettest Day 1 September, 2026
0.2in
Wet Days September
2/14 (14%)

Climate (2021–2025)

Joliet Regional Airport (5 miles)

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Annual Average 2021–2025
37.4in
Monthly Average 2021–2026
3.5in
Daily Average 2021–2026
0.1in
Wettest Day 6 September, 2023
4.4in

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