Joliet, Illinois weather
United States · America/Chicago · 41.53, -88.08
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Joliet, IL Weather Today
Current conditions, hourly and 7 day forecast, official severe weather alerts, and air quality for Joliet, Illinois. Every section shows where the data came from and when it was last checked.
Your briefing
Joliet, Illinois
- Right now
- No official warning for this location. 51° and overcast.Observed
- Next few hours
- Dry for the next three hours. Light rain expected later, around 6:00 PM.Forecast
- Your day
- Take an umbrella.Our reading
- Best outdoor window: 2 PM to 5 PM.Our reading
- Evening commute: rain may affect travel.Our reading
What happens next
- NowOvercastObserved
- NextLight rain expected around 6:00 PM.Forecast
- ThenLight rain expected around evening travel time, near 6:00 PM.Forecast
- AfterConditions forecast to improve after about 7:00 PM.Forecast
Official warnings for this location come from NOAA / National Weather Service. Lines marked Our reading are WeatherSignal’s reading of the measurements and forecast, not an official statement.
Joliet, Illinois
51°
Overcast
Feels like 46° · High 57° · Low 51°
Overcast sky here right now. Nothing falling.
Cool and cloudy this morning. 51° and feels like 46°. Today's high is 57°.
- Sunrise 1:00 AM
- Today's high 57°
- Rain next 6 hrs 0%
Next few hours
Now
51°
—
9 AM
51°
—
10 AM
52°
—
11 AM
54°
—
12 PM
53°
—
- Rain chance
- 0%
- Wind
- 15 mph WNW
- Humidity
- 70%
- Air quality
- No reading
Source updated: 2:15:03 PM · WeatherSignal checked: 2:15:03 PM
What matters today
Six quick answers for Joliet. Tap Why? on any of them to see the reasoning.
Umbrella
Nah (Good)
Best time
12 PM (Good)
Dog walk
3 PM (Good)
Car wash
Wait (Not good)
Cookout
Doable with a plan (Mixed)
Windows
Keep them up (Not good)
Today's Signal
Excellent day
86/100
Mostly favorable, but the wind and poor visibility will make it less comfortable outside.
Wind 15 mph · Visibility 0.0 mi
Today is about 6° cooler than the rest of the week.
See exactly how this number was worked out
Every location starts at 100. Points come off for heat, cold, rain, wind, UV, humidity, poor visibility, and any official alert. Nothing is ever added back.
- Starting score100
- Wind 15 mph-4
- Visibility 0.0 mi-10
- Final Signal86
Next 12 hours
No big swings coming in the next 12 hours.
- 1 PMSunset
- 3 PMWarmest stretch · 57°
- 8 PMCoolest stretch · 50°
- 9 AM—51 degrees, 0 percent chance of rain
- 10 AM—52 degrees, 0 percent chance of rain
- 11 AM—54 degrees, 0 percent chance of rain
- 12 PM—53 degrees, 0 percent chance of rain
- 1 PM—54 degrees, 0 percent chance of rain
- 2 PM—56 degrees, 0 percent chance of rain
- 3 PM—57 degrees, 0 percent chance of rain
- 4 PM—55 degrees, 0 percent chance of rain
- 5 PM—53 degrees, 0 percent chance of rain
- 6 PM—51 degrees, 0 percent chance of rain
- 7 PM—51 degrees, 0 percent chance of rain
- 8 PM—50 degrees, 0 percent chance of rain
The line is temperature by hour. The number under each hour is the chance of rain. Scroll sideways for the full 12 hours.
Next change
Nothing major changes for a while
Temperatures hold between about 50° and 57°. There is no meaningful rain signal in the next several hours.
WeatherSignal NOW: Joliet, Illinois
One number for everything happening around you, from 0 to 100.
96
NORMAL
Nothing here needs your attention right now.
Tap any line to see exactly what added or subtracted points. Every rule is published on our methodology page. This is an informational signal, not a safety rating: official warnings always come first.
What this means
Generated from the forecast values above using fixed rules: not an AI guess.
- No significant precipitation is expected in the next 24 hours.
Next 24 hours
Will it rain during your commute? When does the storm arrive?
See all 48 hours (2 days) — free
| Time | Condition | Temp | Feels | Precip % | Amount | Wind | Humidity |
|---|---|---|---|---|---|---|---|
| 9 AM | Overcast | 51° | 46° | 0% | 0.00″ | 15 WNW | 70% |
| 10 AM | Overcast | 52° | 47° | 0% | 0.00″ | 16 WNW | 70% |
| 11 AM | Overcast | 54° | 50° | 0% | 0.00″ | 17 NW | 66% |
| 12 PM | Overcast | 53° | 48° | 0% | 0.00″ | 16 NW | 70% |
| 1 PM | Light rain | 54° | 50° | 0% | 0.00″ | 16 NNW | 66% |
| 2 PM | Overcast | 56° | 52° | 0% | 0.00″ | 15 NNW | 65% |
| 3 PM | Light rain | 57° | 53° | 0% | 0.01″ | 15 NNW | 61% |
| 4 PM | Light rain | 55° | 51° | 0% | 0.02″ | 16 N | 64% |
| 5 PM | Light rain | 53° | 48° | 0% | 0.01″ | 16 N | 72% |
| 6 PM | Partly cloudy | 51° | 46° | 0% | 0.00″ | 13 N | 75% |
| 7 PM | Mainly clear | 51° | 46° | 0% | 0.00″ | 12 N | 69% |
| 8 PM | Clear sky | 50° | 45° | 0% | 0.00″ | 12 N | 67% |
| 9 PM | Clear sky | 49° | 43° | 0% | 0.00″ | 13 N | 66% |
| 10 PM | Clear sky | 48° | 42° | 0% | 0.00″ | 13 N | 65% |
| 11 PM | Clear sky | 46° | 41° | 0% | 0.00″ | 12 N | 66% |
| 12 AM | Clear sky | 45° | 40° | 0% | 0.00″ | 11 N | 68% |
| 1 AM | Clear sky | 44° | 39° | 0% | 0.00″ | 11 N | 67% |
| 2 AM | Clear sky | 43° | 37° | 0% | 0.00″ | 11 N | 63% |
| 3 AM | Clear sky | 42° | 36° | 0% | 0.00″ | 10 N | 63% |
| 4 AM | Clear sky | 41° | 35° | 0% | 0.00″ | 9 N | 66% |
| 5 AM | Clear sky | 40° | 34° | 0% | 0.00″ | 8 N | 68% |
| 6 AM | Clear sky | 39° | 34° | 0% | 0.00″ | 7 NNW | 71% |
| 7 AM | Clear sky | 39° | 34° | 0% | 0.00″ | 7 NNW | 74% |
| 8 AM | Clear sky | 40° | 35° | 0% | 0.00″ | 7 NNW | 73% |
7-day forecast
Confidence decreases the further out you look.
Today
Overcast
57° / 51°
- Precip:
- 0% · 0.04″
- Wind:
- 17 mph
- UV:
- 4.1
- Sun:
- 1 AM to 1 PM
Sat, Oct 17
Clear sky
56° / 39°
- Precip:
- 0% · 0.00″
- Wind:
- 13 mph
- UV:
- 4.1
- Sun:
- 1 AM to 1 PM
Sun, Oct 18
Clear sky
62° / 42°
- Precip:
- 0% · 0.00″
- Wind:
- 11 mph
- UV:
- 4.3
- Sun:
- 1 AM to 1 PM
Mon, Oct 19
Clear sky
62° / 42°
- Precip:
- 0% · 0.00″
- Wind:
- 7 mph
- UV:
- 0.0
- Sun:
- 1 AM to 1 PM
Tue, Oct 20
Clear sky
65° / 42°
- Precip:
- 0% · 0.00″
- Wind:
- 5 mph
- UV:
- 0.0
- Sun:
- 1 AM to 1 PM
Lower confidence: long-range outlook, not a certainty.
Wed, Oct 21
Clear sky
64° / 44°
- Precip:
- 0% · 0.00″
- Wind:
- 6 mph
- UV:
- 0.0
- Sun:
- 1 AM to 1 PM
Lower confidence: long-range outlook, not a certainty.
Thu, Oct 22
Clear sky
67° / 46°
- Precip:
- 0% · 0.00″
- Wind:
- 5 mph
- UV:
- 0.0
- Sun:
- 1 AM to 1 PM
Lower confidence: long-range outlook, not a certainty.
Forecasts describe likely conditions, not guaranteed outcomes. Official warnings from your national weather service always take precedence over anything shown here.
Joliet hourly weather
Hour by hour, out to eight days ahead.
Joliet 7 day forecast
Highs, lows and rain chance for the week.
Air quality detail
Pollutants, category, and official guidance.