0 in

Rain Today

Rain Last Hour
0 in

Recorded at Mattoon / Charleston, Coles County Memorial Airport Updated 21 mins ago (7.5 miles away)

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Real-Time Extremes

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Windiest 33.3 mph
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Wettest (Last Hour) 1.2 in
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Most Humid 100%
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Least Humid 5%
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Highest Pressure 1045 hPa
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Lowest Pressure 980.7 hPa
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Janesville Rainfall Forecast

Today 4 Oct
No Rain
Mon 5 Oct
No Rain
Tue 6 Oct
No Rain
Wed 7 Oct
No Rain
Thu 8 Oct
No Rain
Fri 9 Oct
No Rain
Sat 10 Oct
No Rain

Janesville Rainfall Statistics

October Rainfall

Mattoon / Charleston, Coles County Memorial Airport (6.8 miles)

Total Rainfall 2026
35.1 in
Daily Average 2026
0.1 in
Wettest Day 8 June, 2026
4.3 in
Wet Days 2026
79/277 (29%)
Total Rainfall September
0.6 in
Daily Average September
0.02 in
Wettest Day 21 September, 2026
0.4 in
Wet Days September
3/30 (10%)
Total Rainfall October
0.1 in
Daily Average October
0.1 in
Wettest Day 1 October, 2026
0.1 in
Wet Days October
2/4 (50%)

Climate (2021–2025)

Mattoon / Charleston, Coles County Memorial Airport (6.8 miles)

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Annual Average 2021–2025
35.9 in
Monthly Average 2021–2026
2.9 in
Daily Average 2021–2026
0.1 in
Wettest Day 8 June, 2026
4.3 in

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