0.2in

Rain Today

Rain Last Hour
0in

Recorded at Chicago/Waukegan Regional Airport Updated 50 mins ago (4.4 miles away)

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Real-Time Extremes

Hottest 96.7 °F
Port-Au-Prince / Aeroport International, PR
Coldest 28.3 °F
Red Dog, AK
Windiest 27.5mph
Bolinder Field-Tooele Valley Airport, UT
Wettest (Last Hour) 0.4in
Key West Naval Air Station, FL
Most Humid 100%
Van Wert County Airport, OH
Least Humid 18%
Big Bear City Airport, CA
Highest Pressure 1043.7 hPa
Salida - Monarch Pass, CO
Lowest Pressure 989 hPa
Narsarsuaq, ME

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Waukegan Rainfall Forecast

Today 17 Sep
95%
Fri 18 Sep
15%
Sat 19 Sep
95%
Sun 20 Sep
75%
Mon 21 Sep
55%
Tue 22 Sep
20%
Wed 23 Sep
15%

Waukegan Rainfall Statistics

September Rainfall

Chicago/Waukegan Regional Airport (3.7 miles)

Total Rainfall 2026
31.8in
Daily Average 2026
0.1in
Wettest Day 11 June, 2026
2in
Wet Days 2026
82/260 (32%)
Total Rainfall August
6.1in
Daily Average August
0.2in
Wettest Day 1 August, 2026
1.5in
Wet Days August
15/31 (48%)
Total Rainfall September
0.9in
Daily Average September
0.1in
Wettest Day 15 September, 2026
0.5in
Wet Days September
5/17 (29%)

Climate (2021–2025)

Chicago/Waukegan Regional Airport (3.7 miles)

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Annual Average 2021–2025
31.8in
Monthly Average 2021–2026
3in
Daily Average 2021–2026
0.1in
Wettest Day 23 July, 2022
3.9in

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