Joliet, Illinois Weather Forecast
Today in Joliet: clear skies with a high near 73°F and a low around 48°F. Rain chance 1%. No day tops a 20% rain chance through Thursday. Highs run 67 to 75°F through Thursday.
Forecast updated 3:05 AM CDT, Oct 23
Active Weather Alerts
7-Day Forecast for Joliet
Today 10/23
73°48°
Sat 10/24
73°48°
Sun 10/25
75°50°
Mon 10/26
70°51°
Tue 10/27
67°50°
Wed 10/28
70°49°
Thu 10/29
12%
69°50°
Next 24 Hours
| Now | 8 AM | 9 AM | 10 AM | 11 AM | 12 PM | 1 PM | 2 PM | 3 PM | 4 PM | 5 PM | 6 PM | 7 PM | 8 PM | 9 PM | 10 PM | 11 PM | Sat12 AM | 1 AM | 2 AM | 3 AM | 4 AM | 5 AM | 6 AM | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sky | | | | | | | | | | | | | |  | | | | |  | | | | | |
| Temp | 48° | 50° | 55° | 60° | 65° | 69° | 71° | 73° | 73° | 73° | 71° | 67° | 62° | 60° | 58° | 57° | 55° | 54° | 53° | 53° | 51° | 50° | 50° | 49° |
| Rain | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 1% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 1% | 1% | 1% | 1% |
| Wind | E 2 | E 2 | SE 3 | SSE 3 | SSE 3 | SSE 4 | SSE 4 | SSE 4 | SE 4 | ESE 4 | ESE 4 | E 4 | ESE 5 | ESE 5 | ESE 5 | ESE 5 | SE 4 | SE 4 | SE 4 | SE 4 | SE 4 | SE 4 | SSE 3 | SE 3 |
Growing Conditions
Growing degree days
3,600
since Apr 1, base 50°F
Rain, last 30 days
1.80 in
model analysis
Rain, year to date
41.90 in
since Jan 1
2-inch soil temperature
53°F
yesterday, daily average
Reference ET, last 7 days
0.60 in
FAO-56 grass reference
Through Oct 22. Season totals use model analysis for this point and update every morning.
Soil, ET and spray tools for Joliet →
Current Stats & Observations
NWS Forecast
About Joliet Weather
Joliet sits at about 617 feet above sea level in Will County, Illinois. About 147,344 people live in the Joliet area. Official forecasts and warnings for the area come from the National Weather Service LOT office, and the nearest NEXRAD radar site is KLOT. The city is in USDA plant hardiness zone 6a, where the coldest winter night typically falls between -10 to -5°F. Over the past ten years the last spring freeze has come around Apr 27 and the first fall freeze around Oct 31.
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