Cities Illinois Joliet

Joliet Running Weather

Sunday, July 26, 2026 · Hour-by-hour forecast updated 7:12 PM CDT

Best Time to Run in Joliet Today

11 AM

74°F and overcast at peak. Wind 8 mph from the SSE, dew point 69°F.

54
Peak FitScore
Temperature
74°F / feels 78°
Wind
8 mph SSE, gusts 14
Dew Point
69°F — oppressive
Humidity
85%
UV Index
3 — Moderate
Air Quality
60 AQI — Moderate

Hourly running conditions

7 PM
27
86° feels 95° 6 mph SW
🌙 8 PM
26
85° feels 95° 4 mph SW
🌙 9 PM
44
82° feels 93° 4 mph S
🌙 10 PM
45
80° feels 91° 5 mph S 1% rain
🌙 5 AM
50
75° feels 84° 2 mph SSE 7% rain
🌅 6 AM
51
74° feels 82° 3 mph SE 9% rain
☁️ 7 AM
47
76° feels 84° 6 mph S 12% rain
☁️ 8 AM
36
78° feels 87° 7 mph S 26% rain
☁️ 9 AM
34
80° feels 89° 5 mph ESE 27% rain
🌧️ 10 AM
43
71° feels 76° 8 mph SE 28% rain
☁️ 11 AM
54
74° feels 78° 8 mph SSE 14% rain
☁️ 12 PM
34
88° feels 94° 11 mph SSE 18% rain
80–100 Excellent 60–79 Good 40–59 Fair Below 40 Poor

7-day running forecast

☁️
Today Jul 26
90° / 71°
54
🏃
🌧️
Mon Jul 27
99° / 71°
54
🏃 💧 28%
☁️
Tue Jul 28
85° / 66°
81
🏃 9 AM–12 PM
🌤️
Wed Jul 29
85° / 64°
86
🏃 9 AM–12 PM
☁️
Thu Jul 30
84° / 66°
85
🏃 9 AM–12 PM
🌧️
Fri Jul 31
72° / 67°
82
🏃 9 AM–12 PM 💧 34%
🌧️
Sat Aug 1
82° / 66°
76
🏃 9 AM–12 PM 💧 29%
Get Joliet's forecast every evening

Stop checking the weather. Start laying out your gear.

Running Forecast texts you tomorrow's hour-by-hour forecast every evening so you know exactly what to expect before your alarm goes off.

Try Running Forecast Free for 1 Week $19.99/yr after · Cancel anytime
RF
Running Forecast
iMessage
🌤 Tomorrow in Joliet: Best window: 9–11 AM (FitScore 95) 6am: 48°F, feels 45° — NW 8mph 9am: 58°F, feels 56° — W 12mph 12pm: 66°F, feels 65° — SW 8mph ☔ Rain likely after 3pm.
Yesterday 8:14 PM Nightly

Joliet running weather FAQ

What's the best time to run in Joliet today?

Based on today's FitScore analysis, the best time to run is 11 AM with a peak FitScore of 54/100. Check the hourly breakdown above for detailed conditions throughout the day.

What months are best for running in Joliet?

The best months for running in Joliet are April, May, September, October. The most challenging months are typically January, February. Summer humidity rivals the Southeast. Watch for fast-moving thunderstorms in the afternoon.

What is the FitScore?

FitScore rates each hour from 0–100 for outdoor exercise based on temperature, humidity, dew point, wind, precipitation probability, UV index, and air quality. Higher scores mean better conditions.

Nearby:Naperville, ILChicago, ILRockford, IL
runningforecast.com · Your run, forecasted. · Live Map · Privacy · Terms