Rain forecast and rainfall this year
Joliet, IL
No rain expected today.
Updated Friday 8:40 PM ET.
Forecast
1 percent chance of rain
TodayHigh 51°, low 31°No rain expected
0 percent chance of rain
TomorrowHigh 59°, low 36°No rain expected
This year so far, since Jan 1
43.98 in
+9.86 in above normal for this point in the year (34.12 in).
National rank38th of 363
In Illinois1st of 8
Biggest day2.73 in, Aug 2
Last measurable rain0.14 in, Nov 6, 2026
Month by month
Jan3.18
Feb0.07
Mar3.88
Apr5.86
May1.55
Jun8.40
Jul5.07
Aug6.88
Sep4.63
Oct3.81
Nov0.65
Dec–
This yearNormal
Records since 1944
Wettest year51.81 in, 2019
Biggest rain day13.60 in, Jul 18, 1996
This year is already the 8th wettest of 70 years on record here.
Nearby cities
- NapervilleIL36.87 in this year16 miles
- AuroraIL36.87 in this year18 miles
- ChicagoIL39.93 in this year33 miles
- ElginIL36.87 in this year37 miles
- RockfordIL32.08 in this year69 miles
More Joliet weather
Forecast based on National Weather Service forecast data. Rainfall records are from NOAA Regional Climate Centers for the Joliet Brandon Road Lock/Dam station, recorded since 1943; normals are NOAA’s 1991–2020 averages. Totals are preliminary. Records are this station’s own and may differ from official NWS city records, which can include earlier locations. Incomplete years and several-day totals are left out. Rain Scoreboard is not affiliated with the National Weather Service or NOAA.