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Current weather in Joliet is clear sky.

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Weather data for Joliet is updated regularly with the latest available observations and forecasts.

Now · 9:14 PM

Joliet Weather & Hourly Forecast

United States · Illinois · 60436

71°F

Clear night

Feels like: 71°F

💧 Humidity 73% 🌡 Pressure 29.88 inHg 💨 Wind 6 mph 👁 Visibility 19.4 mi ☁ Clouds 8% ☀️ UV index 0.0 · Low 🌅 Sunrise — 🌇 Sunset —

Hourly Forecast for Joliet

Today

10:00 PM

Clear night

70° 💧 None 💨 6 mph H 76%29.88 inHg

Tomorrow

1:00 AM

Clear night

67° 💧 None 💨 5 mph H 87%29.85 inHg

4:00 AM

Partly cloudy night

67° 💧 None 💨 4 mph H 92%29.85 inHg

7:00 AM

Mostly sunny

66° 💧 None 💨 4 mph H 97%29.85 inHg

10:00 AM

Sunny

76° 💧 0.000 in 💨 4 mph H 79%29.85 inHg

1:00 PM

Mostly sunny

82° 💧 None 💨 8 mph H 58%29.85 inHg

4:00 PM

Mostly sunny

84° 💧 None 💨 9 mph H 56%29.83 inHg

7:00 PM

Sunny

78° 💧 None 💨 5 mph H 74%29.85 inHg

10:00 PM

Clear night

73° 💧 None 💨 5 mph H 87%29.94 inHg

Sunday

1:00 AM

Clear night

69° 💧 None 💨 5 mph H 93%29.94 inHg

4:00 AM

Mostly clear night

65° 💧 None 💨 6 mph H 85%29.97 inHg

7:00 AM

Mostly cloudy

62° 💧 None 💨 6 mph H 77%30.03 inHg

10:00 AM

Mostly cloudy

70° 💧 None 💨 4 mph H 59%30.03 inHg

1:00 PM

Overcast

76° 💧 0.005 in 💨 7 mph H 43%30.03 inHg

4:00 PM

Thunderstorms

68° 💧 0.405 in 💨 8 mph H 69%30.06 inHg

7:00 PM

Light rain

63° 💧 0.028 in 💨 6 mph H 93%30.09 inHg

Today

10:00 PM

Clear night

70° 💧 None 💨 6 mph H 76%29.88 inHg

11:00 PM

Clear night

68° 💧 None 💨 5 mph H 81%29.88 inHg

Tomorrow

12:00 AM

Mostly clear night

68° 💧 None 💨 4 mph H 85%29.88 inHg

1:00 AM

Clear night

67° 💧 None 💨 5 mph H 87%29.85 inHg

2:00 AM

Clear night

67° 💧 None 💨 6 mph H 87%29.85 inHg

3:00 AM

Partly cloudy night

67° 💧 None 💨 5 mph H 89%29.85 inHg

4:00 AM

Partly cloudy night

67° 💧 None 💨 4 mph H 92%29.85 inHg

5:00 AM

Mostly clear night

66° 💧 None 💨 4 mph H 94%29.85 inHg

6:00 AM

Clear night

66° 💧 None 💨 4 mph H 96%29.85 inHg

7:00 AM

Mostly sunny

66° 💧 None 💨 4 mph H 97%29.85 inHg

8:00 AM

Sunny

69° 💧 None 💨 5 mph H 93%29.85 inHg

9:00 AM

Sunny

72° 💧 None 💨 4 mph H 86%29.85 inHg

10:00 AM

Sunny

76° 💧 None 💨 4 mph H 79%29.85 inHg

11:00 AM

Sunny

79° 💧 None 💨 6 mph H 70%29.85 inHg

12:00 PM

Mostly sunny

81° 💧 0.000 in 💨 8 mph H 63%29.85 inHg

1:00 PM

Mostly sunny

82° 💧 None 💨 8 mph H 58%29.85 inHg

2:00 PM

Partly cloudy

84° 💧 None 💨 8 mph H 54%29.85 inHg

3:00 PM

Mostly cloudy

84° 💧 None 💨 9 mph H 52%29.83 inHg

4:00 PM

Mostly sunny

84° 💧 None 💨 9 mph H 56%29.83 inHg

5:00 PM

Mostly cloudy

83° 💧 None 💨 9 mph H 59%29.83 inHg

6:00 PM

Sunny

81° 💧 None 💨 8 mph H 66%29.83 inHg

7:00 PM

Sunny

78° 💧 None 💨 5 mph H 74%29.85 inHg

8:00 PM

Clear night

76° 💧 None 💨 6 mph H 80%29.88 inHg

9:00 PM

Clear night

74° 💧 None 💨 5 mph H 84%29.91 inHg

10:00 PM

Clear night

73° 💧 None 💨 5 mph H 87%29.94 inHg

11:00 PM

Clear night

71° 💧 None 💨 5 mph H 89%29.94 inHg

Sunday

12:00 AM

Clear night

70° 💧 None 💨 4 mph H 92%29.94 inHg

1:00 AM

Clear night

69° 💧 None 💨 5 mph H 93%29.94 inHg

2:00 AM

Clear night

68° 💧 None 💨 6 mph H 94%29.97 inHg

3:00 AM

Clear night

67° 💧 None 💨 6 mph H 91%29.97 inHg

4:00 AM

Mostly clear night

65° 💧 None 💨 6 mph H 85%29.97 inHg

5:00 AM

Partly cloudy night

64° 💧 None 💨 6 mph H 79%30.00 inHg

6:00 AM

Mostly cloudy night

62° 💧 None 💨 6 mph H 78%30.03 inHg

7:00 AM

Mostly cloudy

62° 💧 None 💨 6 mph H 77%30.03 inHg

8:00 AM

Overcast

64° 💧 None 💨 5 mph H 73%30.03 inHg

9:00 AM

Overcast

67° 💧 None 💨 4 mph H 66%30.03 inHg

10:00 AM

Mostly cloudy

70° 💧 None 💨 4 mph H 59%30.03 inHg

11:00 AM

Overcast

73° 💧 None 💨 4 mph H 52%30.06 inHg

12:00 PM

Mostly cloudy

74° 💧 None 💨 7 mph H 47%30.06 inHg

1:00 PM

Overcast

76° 💧 None 💨 7 mph H 43%30.03 inHg

2:00 PM

Overcast

74° 💧 None 💨 8 mph H 45%30.06 inHg

3:00 PM

Light thunderstorms

74° 💧 0.005 in 💨 9 mph H 45%30.06 inHg

4:00 PM

Thunderstorms

68° 💧 0.191 in 💨 8 mph H 69%30.06 inHg

5:00 PM

Thunderstorms

65° 💧 0.196 in 💨 6 mph H 86%30.06 inHg

6:00 PM

Light rain

65° 💧 0.017 in 💨 5 mph H 85%30.06 inHg

7:00 PM

Light rain

63° 💧 0.028 in 💨 6 mph H 93%30.09 inHg

8:00 PM

Clear night

62° 💧 0.000 in 💨 6 mph H 91%30.09 inHg

9:00 PM

Mostly clear night

60° 💧 None 💨 7 mph H 90%30.12 inHg

10:00 PM

Clear night

59° 💧 None 💨 7 mph H 90%30.15 inHg

11:00 PM

Clear night

59° 💧 None 💨 7 mph H 90%30.15 inHg

Monday

12:00 AM

Clear night

58° 💧 None 💨 5 mph H 89%30.15 inHg

1:00 AM

Clear night

57° 💧 None 💨 5 mph H 90%30.15 inHg

2:00 AM

Clear night

57° 💧 None 💨 5 mph H 89%30.18 inHg

3:00 AM

Clear night

57° 💧 None 💨 5 mph H 87%30.18 inHg

4:00 AM

Clear night

56° 💧 None 💨 5 mph H 85%30.18 inHg

5:00 AM

Clear night

56° 💧 None 💨 5 mph H 85%30.18 inHg

6:00 AM

Clear night

56° 💧 0.000 in 💨 5 mph H 86%30.18 inHg

7:00 AM

Sunny

56° 💧 None 💨 3 mph H 89%30.21 inHg

4:00 PM

Overcast

74° 💧 None 💨 10 mph H 41%30.12 inHg

7:00 PM

Partly cloudy

70° 💧 None 💨 9 mph H 48%30.06 inHg

10:00 PM

Partly cloudy night

68° 💧 None 💨 11 mph H 50%30.06 inHg

Tuesday

1:00 AM

Overcast night

66° 💧 None 💨 12 mph H 61%30.03 inHg

4:00 AM

Mostly cloudy night

66° 💧 None 💨 12 mph H 70%30.00 inHg

7:00 AM

Partly cloudy

68° 💧 None 💨 9 mph H 77%30.03 inHg

10:00 AM

Partly cloudy

77° 💧 None 💨 12 mph H 71%30.03 inHg

1:00 PM

Partly cloudy

87° 💧 None 💨 11 mph H 60%30.03 inHg

4:00 PM

Light rain

84° 💧 None 💨 7 mph H 67%30.03 inHg

7:00 PM

Moderate rain

74° 💧 None 💨 4 mph H 94%30.06 inHg

10:00 PM

Light rain

72° 💧 None 💨 1 mph H 97%30.12 inHg

Wednesday

1:00 AM

Light rain

71° 💧 None 💨 2 mph H 99%30.15 inHg

4:00 AM

Light rain

70° 💧 None 💨 5 mph H 99%30.18 inHg

7:00 AM

Light rain

68° 💧 None 💨 6 mph H 96%30.24 inHg

10:00 AM

Light rain

70° 💧 None 💨 6 mph H 93%30.27 inHg

1:00 PM

Light rain

73° 💧 None 💨 7 mph H 88%30.24 inHg

4:00 PM

Light rain

73° 💧 None 💨 6 mph H 89%30.21 inHg

7:00 PM

Overcast

70° 💧 None 💨 7 mph H 95%30.21 inHg

10:00 PM

Moderate rain

68° 💧 None 💨 9 mph H 97%30.24 inHg

Thursday

1:00 AM

Overcast night

68° 💧 None 💨 5 mph H 98%30.21 inHg

4:00 AM

Light rain

67° 💧 None 💨 6 mph H 97%30.21 inHg

7:00 AM

Light rain

66° 💧 None 💨 7 mph H 97%30.24 inHg

10:00 AM

Overcast

73° 💧 None 💨 7 mph H 86%30.24 inHg

1:00 PM

Overcast

80° 💧 None 💨 6 mph H 75%30.18 inHg

7:00 PM

Sunny

72° 💧 None 💨 12 mph H 64%30.33 inHg

Friday

1:00 AM

Clear night

65° 💧 None 💨 7 mph H 73%30.30 inHg

7:00 AM

Overcast

62° 💧 None 💨 6 mph H 88%30.27 inHg

1:00 PM

Mostly sunny

58° 💧 None 💨 6 mph H 90%30.27 inHg

7:00 PM

Overcast night

69° 💧 None 💨 5 mph H 67%30.18 inHg

Saturday

1:00 AM

Overcast night

69° 💧 None 💨 5 mph H 77%30.06 inHg

7:00 AM

Overcast

67° 💧 None 💨 10 mph H 77%30.00 inHg

1:00 PM

Light thunderstorms

66° 💧 None 💨 7 mph H 92%29.88 inHg

7:00 PM

Mostly cloudy night

82° 💧 None 💨 11 mph H 77%29.77 inHg

Sunday

1:00 AM

Overcast night

75° 💧 None 💨 11 mph H 82%29.77 inHg

7:00 AM

Mostly sunny

64° 💧 None 💨 7 mph H 89%29.88 inHg

1:00 PM

Overcast

65° 💧 None 💨 6 mph H 88%29.88 inHg

7:00 PM

Overcast night

70° 💧 None 💨 7 mph H 77%29.88 inHg

Monday

1:00 AM

Mostly clear night

69° 💧 None 💨 8 mph H 87%29.80 inHg

7:00 AM

Mostly cloudy

68° 💧 None 💨 10 mph H 88%29.77 inHg

1:00 PM

Mostly cloudy

69° 💧 None 💨 5 mph H 95%29.71 inHg

7:00 PM

Partly cloudy night

79° 💧 None 💨 8 mph H 67%29.74 inHg

Tuesday

1:00 AM

Overcast night

71° 💧 None 💨 6 mph H 85%29.71 inHg

7:00 AM

Sunny

61° 💧 None 💨 5 mph H 91%29.77 inHg

1:00 PM

Sunny

57° 💧 None 💨 6 mph H 89%29.80 inHg

7:00 PM

Partly cloudy night

68° 💧 None 💨 14 mph H 55%29.83 inHg

Wednesday

1:00 AM

Partly cloudy night

62° 💧 None 💨 8 mph H 69%29.88 inHg

7:00 AM

Sunny

56° 💧 None 💨 7 mph H 85%29.94 inHg

1:00 PM

Sunny

53° 💧 None 💨 6 mph H 93%30.00 inHg

7:00 PM

Overcast night

63° 💧 None 💨 8 mph H 68%30.06 inHg

Thursday

1:00 AM

Overcast night

61° 💧 None 💨 5 mph H 72%30.09 inHg

7:00 AM

Mostly cloudy

58° 💧 None 💨 7 mph H 81%30.12 inHg

1:00 PM

Partly cloudy

53° 💧 None 💨 5 mph H 95%30.15 inHg

7:00 PM

Overcast night

63° 💧 None 💨 8 mph H 65%30.18 inHg

Friday

1:00 AM

Mostly cloudy night

59° 💧 None 💨 7 mph H 66%30.21 inHg

7:00 AM

Sunny

54° 💧 None 💨 6 mph H 81%30.21 inHg

1:00 PM

Sunny

50° 💧 None 💨 7 mph H 90%30.27 inHg

7:00 PM

Overcast night

65° 💧 None 💨 7 mph H 59%30.27 inHg

Saturday

1:00 AM

Clear night

58° 💧 None 💨 6 mph H 69%30.24 inHg

7:00 AM

Sunny

52° 💧 None 💨 4 mph H 89%30.27 inHg

1:00 PM

Sunny

50° 💧 None 💨 6 mph H 93%30.27 inHg

In Joliet and, more broadly, across the state of Illinois: The evening will be mostly cloudy with mild to warm temperatures settling between 76 and 78 degrees Fahrenheit. Winds will be light from the southeast at around 8 mph, with occasional gusts reaching up to 18 mph. No significant rainfall is expected during the next few hours, so conditions will remain dry. The skies may occasionally reveal some clearer patches, but overall, clouds will dominate the evening. Temperatures are likely to stay steady through the night, gradually cooling down as the evening progresses. Residents can expect a calm and relatively warm night ahead, with no weather-related disruptions anticipated.

15-Day Weather Outlook for Joliet

Sunday, Sep 13Sun Sep 13

Light thunderstorms 78°/62° 💧 None 💨 9 mph

Monday, Sep 14Mon Sep 14

Light rain 74°/56° 💧 0.007 in 💨 10 mph

Tuesday, Sep 15Tue Sep 15

Light rain 87°/66° 💧 0.021 in 💨 12 mph

Wednesday, Sep 16Wed Sep 16

Moderate rain 74°/68° 💧 1.400 in 💨 7 mph

Thursday, Sep 17Thu Sep 17

Moderate rain 80°/66° 💧 0.780 in 💨 9 mph

Friday, Sep 18Fri Sep 18

Overcast 72°/58° 💧 None 💨 12 mph

Saturday, Sep 19Sat Sep 19

Light thunderstorms 69°/66° 💧 0.370 in 💨 10 mph

Sunday, Sep 20Sun Sep 20

Mostly cloudy 82°/64° 💧 0.360 in 💨 11 mph

Monday, Sep 21Mon Sep 21

Overcast 70°/68° 💧 0.014 in 💨 10 mph

Tuesday, Sep 22Tue Sep 22

Partly cloudy 79°/57° 💧 0.045 in 💨 8 mph

Wednesday, Sep 23Wed Sep 23

Partly cloudy 68°/53° 💧 0.001 in 💨 14 mph

Thursday, Sep 24Thu Sep 24

Overcast 63°/53° 💧 0.007 in 💨 8 mph

Friday, Sep 25Fri Sep 25

Overcast 63°/50° 💧 0.001 in 💨 8 mph

Saturday, Sep 26Sat Sep 26

Overcast 65°/50° 💧 0.001 in 💨 7 mph

TEMPERATURE OUTLOOK

Temperature & Weather Trends in Joliet

Vertical axis: °F · Color based on temperature

AIR QUALITY FORECAST

Air Quality Forecast for Joliet

Hourly forecast · Updated every 2 hours

Good

Nearest forecast value 10:00 PM

PM2.5 Fine particles Good 5,3µg/m³

Microscopic particles that can penetrate deep into the lungs. Elevated concentrations can especially affect children, older adults and people with respiratory conditions.

PM10 Particulate matter Good 5,9µg/m³

Includes dust, pollen and other airborne particles. High concentrations may irritate the respiratory system.

O₃ Ozone Good 26,7µg/m³

Ground-level ozone can irritate the eyes and respiratory system when concentrations are elevated.

NO₂ Nitrogen dioxide Good 11,3µg/m³

A gas emitted mainly by traffic and some industrial activity. High exposure can affect respiratory health.

Air quality is favorable for outdoor activities.

UV & HEALTH

UV, Sun & Health Outlook in Joliet

Maximum daily UV Today, tomorrow and the following day show the maximum UV index forecast for each day.

0–2 Low 3–5 Moderate 6–7 High 8–10 Very high 11+ Extreme

Today UV 6,8High 😊Good

Tomorrow UV 6,7High 🙂Fair

Sunday UV 6,2High 🙂Fair

Monday UV 3,5Moderate 🙂Fair

Tuesday UV 7,0High 😐Moderate

Wednesday UV 5,0Moderate —Unavailable

Thursday UV 6,0High —Unavailable

Today's weather health advice Open today's recommendations.

Strong UV exposure

Protect exposed skin with SPF 30+ sunscreen, wear sunglasses, and try to limit direct midday sun.

Good air quality

Air quality is good and outdoor activities can be enjoyed normally.

Comfortable temperature conditions

Temperatures should feel comfortable for most people, with no particular heat or cold precautions needed.

Good conditions for outdoor activities

Outdoor activities can generally be enjoyed normally, with sun protection adjusted to the UV level.

WIND OUTLOOK

Hourly Wind Forecast for Joliet

Vertical axis: mph · Horizontal axis: hours

Sustained wind Max gusts

NIGHT SKY · JOLIET, ILLINOIS

Tonight's Stargazing & Shooting Stars

Excellent observing conditions. Best local viewing window: 2:00 AM–3:00 AM.

98/100Best-hour score

BEST TIME TONIGHT 2:00 AM–3:00 AM Astronomical darkness: 8:44 PM–4:55 AM

☁ Cloud cover 1% Real hourly forecast for the best viewing hour.

☾ Moonlight 0% New Moon · Moon below the horizon at the best viewing hour.

☄ Meteor activity September ε-Perseids Reference ZHR 8 · Radiant 60° high at the best hour.

✦ Estimated visible meteors 1–4/hour Local estimate after weather, moonlight and radiant-height adjustments.

Chance ≥1 meteor in 30 min76%

UPCOMING METEOR PERIODSStart, peak and end dates · weather should be checked closer to the peak.

SEP 5–SEP 21

September ε-PerseidsStart SEP 5 · Peak SEP 9 · End SEP 21 · ZHR 8 · 6% Moon at peak

ACTIVE NOW

SEP 20–NOV 20

Southern TauridsStart SEP 20 · Peak NOV 5 · End NOV 20 · ZHR 7 · 20% Moon at peak

UPCOMING

OCT 2–NOV 7

OrionidsStart OCT 2 · Peak OCT 21 · End NOV 7 · ZHR 20 · 77% Moon at peak

UPCOMING

OCT 20–DEC 10

Northern TauridsStart OCT 20 · Peak NOV 12 · End DEC 10 · ZHR 5 · 7% Moon at peak

UPCOMING

Experimental local observing estimate. Weather values come from the hourly forecast already used on this page. Moon position and astronomical darkness are calculated locally from time and coordinates. Meteor-shower ZHR describes ideal conditions and is not the number of meteors a person should expect to see locally.

DISCOVER WEATHER NEARBY Weather in other cities

Explore current conditions and forecasts for other locations.

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Forecast data for Joliet were last refreshed today at 9:03 PM. The current forecast period extends through 13/09/2026 at 7:00 PM. Weather, air-quality and UV-index data are provided through WEATHER-INFO.COM. Forecasts are produced automatically from the latest available data and are subject to periodic technical checks. This service is intended for general weather information.