Grafton Rainfall Forecast

Today 18 Jul
25%
Sun 19 Jul
45%
Mon 20 Jul
10%
Tue 21 Jul
10%
Wed 22 Jul
No Rain
Thu 23 Jul
5%
Fri 24 Jul
35%

Grafton Rainfall Statistics

July Rainfall

St. Charles, St. Charles County Smartt Airport (2.5 miles)

Total Rainfall 2026
18.8in
Daily Average 2026
0.1in
Wettest Day 18 May, 2026
1.6in
Wet Days 2026
53/199 (27%)
Total Rainfall June
4.2in
Daily Average June
0.1in
Wettest Day 1 June, 2026
1.2in
Wet Days June
10/30 (33%)
Total Rainfall July
0.9in
Daily Average July
0.1in
Wettest Day 11 July, 2026
0.4in
Wet Days July
2/18 (11%)

Climate (2021–2025)

St. Charles, St. Charles County Smartt Airport (2.5 miles)

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Annual Average 2021–2025
36.2in
Monthly Average 2021–2026
2.9in
Daily Average 2021–2026
0.1in
Wettest Day 16 July, 2024
3.8in

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