Joliet, Illinois 7 Day & Night Forecast & Conditions

Current Conditions

Maps Alerts Climate Index

Clear 61°F 16°C	Observed at: Joliet, IL	Elevation: 551 ft | 168 m
	Last Updated: July 29, 5:15 AM Timezone: GMT -5/-4
	Sky Conditions: Clear	Temperature: 61°F | 16°C
	Pressure: 29.34 in | 993.6 mb	Dewpoint: 59°F | 15°C
	Humidity: 91%	Wind: NNW 4 mph | NNW 6 kph
	Feels Like: 63°F | 17°C	Visibility: 28.1 mi | 45.3 km
	Lat/Long: 41.525 | -88.0817	Sunrise: 5:44 AM   Sunset: 8:13 PM

7 Day Graphical Forecast

Valid: 5:26 AM 7/29/2026

Tonight Clear 61 °F 0% Chance Precipitation Thursday Overcast 90 |59 °F 1% Chance Precipitation Friday Showers 71 |64 °F 75% Chance Precipitation Saturday Light Drizzle 76 |64 °F 75% Chance Precipitation Sunday Light Drizzle 81 |62 °F 20% Chance Precipitation Monday Mostly Clear 81 |60 °F 12% Chance Precipitation Tuesday Clear 82 |61 °F 13% Chance Precipitation

7 Hour Graphical Forecast

Valid: 5:26 AM 7/29/2026

5 AM Clear 62 °F 0% Chance Precipitation

6 AM Clear 61 °F 0% Chance Precipitation

7 AM Clear 64 °F 0% Chance Precipitation

8 AM Clear 68 °F 0% Chance Precipitation

9 AM Clear 72 °F 0% Chance Precipitation

10 AM Clear 75 °F 0% Chance Precipitation

11 AM Clear 78 °F 0% Chance Precipitation

7 Day Textual Forecast - with QPF, Max Wind, Humidity, Snowfall & UV Index

7 Day & Night Weather Forecast for Joliet, IL - (Fahrenheit & Celsius) Valid: 5:26 AM 7/29/2026 Tonight Clear with a low around 61°F [16°C]. NNE wind to around 9 mph [15 kph], with gusts to near 16 mph [25 kph]. Chance of precipitation 0% with QPF of 0.00 in [0.0 mm]. Thursday Overcast with a high near 90°F [32°C]. SW wind to around 6 mph [9 kph], with gusts to near 10 mph [16 kph]. Dewpoint near 59°F [15°C] with humidity of 88%. Pressure around 29.34 in [993.6 mb]. UV Index: 7.05. Chance of precipitation 1% with QPF of 0.00 in [0.0 mm]. Thursday Night Overcast with a low around 59°F [15°C]. SW wind to around 6 mph [9 kph], with gusts to near 10 mph [16 kph]. Chance of precipitation 1% with QPF of 0.00 in [0.0 mm]. Friday Showers with a high near 71°F [22°C]. E wind to around 11 mph [18 kph], with gusts to near 21 mph [33 kph]. Dewpoint near 59°F [15°C] with humidity of 97%. Pressure around 29.34 in [993.6 mb]. UV Index: 1.45. Chance of precipitation 75% with QPF of 0.55 in [14.0 mm]. Friday Night Showers with a low around 64°F [18°C]. E wind to around 11 mph [18 kph], with gusts to near 21 mph [33 kph]. Chance of precipitation 75% with QPF of 0.55 in [14.0 mm]. Saturday Light Drizzle with a high near 76°F [25°C]. NE wind to around 12 mph [20 kph], with gusts to near 20 mph [33 kph]. Dewpoint near 59°F [15°C] with humidity of 97%. Pressure around 29.34 in [993.6 mb]. UV Index: 6.65. Chance of precipitation 75% with QPF of 0.01 in [0.2 mm]. Saturday Night Light Drizzle with a low around 64°F [18°C]. NE wind to around 12 mph [20 kph], with gusts to near 20 mph [33 kph]. Chance of precipitation 75% with QPF of 0.01 in [0.2 mm]. Sunday Light Drizzle with a high near 81°F [27°C]. NNE wind to around 9 mph [14 kph], with gusts to near 18 mph [28 kph]. Dewpoint near 59°F [15°C] with humidity of 95%. Pressure around 29.34 in [993.6 mb]. UV Index: 6.25. Chance of precipitation 20% with QPF of 0.01 in [0.3 mm]. Sunday Night Light Drizzle with a low around 62°F [17°C]. NNE wind to around 9 mph [14 kph], with gusts to near 18 mph [28 kph]. Chance of precipitation 20% with QPF of 0.01 in [0.3 mm]. Monday Mostly Clear with a high near 81°F [27°C]. SE wind to around 4 mph [7 kph], with gusts to near 7 mph [12 kph]. Dewpoint near 59°F [15°C] with humidity of 92%. Pressure around 29.34 in [993.6 mb]. UV Index: 7.25. Chance of precipitation 12% with QPF of 0.00 in [0.0 mm]. Monday Night Mostly Clear with a low around 60°F [16°C]. SE wind to around 4 mph [7 kph], with gusts to near 7 mph [12 kph]. Chance of precipitation 12% with QPF of 0.00 in [0.0 mm]. Tuesday Clear with a high near 82°F [28°C]. S wind to around 6 mph [10 kph], with gusts to near 12 mph [19 kph]. Dewpoint near 59°F [15°C] with humidity of 91%. Pressure around 29.34 in [993.6 mb]. UV Index: 7.25. Chance of precipitation 13% with QPF of 0.00 in [0.0 mm]. Tuesday Night Clear with a low around 61°F [16°C]. S wind to around 6 mph [10 kph], with gusts to near 12 mph [19 kph]. Chance of precipitation 13% with QPF of 0.00 in [0.0 mm].

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7 Day and Night - QPF Forecast for Joliet, IL

Tonight: 0.0 mm | 0.00 in

Thursday: 0.0 mm | 0.00 in

Thursday Night: 0.0 mm | 0.00 in

Friday: 14.0 mm | 0.55 in

Friday Night: 14.0 mm | 0.55 in

Saturday: 0.2 mm | 0.01 in

Saturday Night: 0.2 mm | 0.01 in

Sunday: 0.3 mm | 0.01 in

Sunday Night: 0.3 mm | 0.01 in

Monday: 0.0 mm | 0.00 in

Monday Night: 0.0 mm | 0.00 in

Tuesday: 0.0 mm | 0.00 in

Tuesday Night: 0.0 mm | 0.00 in

7 Day and Night - Maximum Wind Speed Forecast for Joliet, IL

Tonight: NNE @ 15 kph | 9 mph

Thursday: SW @ 9 kph | 6 mph

Thursday Night: SW @ 9 kph | 6 mph

Friday: E @ 18 kph | 11 mph

Friday Night: E @ 18 kph | 11 mph

Saturday: NE @ 20 kph | 12 mph

Saturday Night: NE @ 20 kph | 12 mph

Sunday: NNE @ 14 kph | 9 mph

Sunday Night: NNE @ 14 kph | 9 mph

Monday: SE @ 7 kph | 4 mph

Monday Night: SE @ 7 kph | 4 mph

Tuesday: S @ 10 kph | 6 mph

Tuesday Night: S @ 10 kph | 6 mph

7 Day and Night - Maximum Humidity Forecast for Joliet, IL

Tonight: 93 %

Thursday: 88 %

Thursday Night: 88 %

Friday: 97 %

Friday Night: 97 %

Saturday: 97 %

Saturday Night: 97 %

Sunday: 95 %

Sunday Night: 95 %

Monday: 92 %

Monday Night: 92 %

Tuesday: 91 %

Tuesday Night: 91 %

7 Day and Night - Snowfall Totals Forecast for Joliet, IL

Tonight: 0.0 cm | 0.00 in

Thursday: 0.0 cm | 0.00 in

Thursday Night: 0.0 cm | 0.00 in

Friday: 0.0 cm | 0.00 in

Friday Night: 0.0 cm | 0.00 in

Saturday: 0.0 cm | 0.00 in

Saturday Night: 0.0 cm | 0.00 in

Sunday: 0.0 cm | 0.00 in

Sunday Night: 0.0 cm | 0.00 in

Monday: 0.0 cm | 0.00 in

Monday Night: 0.0 cm | 0.00 in

Tuesday: 0.0 cm | 0.00 in

Tuesday Night: 0.0 cm | 0.00 in

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