Alton Rainfall Forecast

Today 18 Mar
30%
Thu 19 Mar
5%
Fri 20 Mar
No Rain
Sat 21 Mar
5%
Sun 22 Mar
5%
Mon 23 Mar
15%
Tue 24 Mar
25%

Alton Rainfall Statistics

March Rainfall

Fort Knox (28.6 miles)

Total Rainfall 2026
3.1in
Daily Average 2026
0.04in
Wettest Day 16 March, 2026
0.6in
Wet Days 2026
15/77 (19%)
Total Rainfall February
1in
Daily Average February
0.04in
Wettest Day 26 February, 2026
0.5in
Wet Days February
6/28 (21%)
Total Rainfall March
2in
Daily Average March
0.1in
Wettest Day 16 March, 2026
0.6in
Wet Days March
8/18 (44%)

Climate (2010–Present)

Fort Knox (28.6 miles)

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Annual Average 2021–2025
35.8in
Monthly Average 2021–2026
2.9in
Daily Average 2021–2026
0.1in
Wettest Day 3 January, 2023
4.1in

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