Addison, Illinois 7 Day & Night Forecast & Conditions

Current Conditions

Maps Alerts Climate Index

Mostly Clear 75°F 24°C Heat Index: 75°F	Observed at: Addison, IL	Elevation: 991 ft | 302 m
	Last Updated: July 17, 1:15 AM Timezone: GMT -5/-4
	Sky Conditions: Mostly Clear	Temperature: 75°F | 24°C
	Pressure: 29.31 in | 992.5 mb	Dewpoint: 64°F | 18°C
	Humidity: 70%	Wind: NNW 3 mph | NNW 5 kph
	Feels Like: 79°F | 26°C	Visibility: 41 mi | 65.9 km
	Lat/Long: 41.9317 | -87.9889	Sunrise: 5:32 AM   Sunset: 8:24 PM

7 Day Graphical Forecast

Valid: 1:17 AM 7/17/2026

Tonight Overcast 74 °F 21% Chance Precipitation Saturday Light Drizzle 90 |74 °F 62% Chance Precipitation Sunday Overcast 88 |70 °F 4% Chance Precipitation Monday Thunderstorm 81 |69 °F 45% Chance Precipitation Tuesday Heavy Showers 77 |66 °F 45% Chance Precipitation Wednesday Mostly Clear 75 |58 °F 5% Chance Precipitation Thursday Partly Cloudy 79 |59 °F 5% Chance Precipitation

7 Hour Graphical Forecast

Valid: 1:17 AM 7/17/2026

1 AM Mostly Clear 75 °F 1% Chance Precipitation

2 AM Clear 74 °F 1% Chance Precipitation

3 AM Overcast 74 °F 1% Chance Precipitation

4 AM Overcast 74 °F 1% Chance Precipitation

5 AM Mostly Clear 74 °F 4% Chance Precipitation

6 AM Clear 74 °F 6% Chance Precipitation

7 AM Clear 76 °F 6% Chance Precipitation

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

7 Day & Night Weather Forecast for Addison, IL - (Fahrenheit & Celsius) Valid: 1:17 AM 7/17/2026 Tonight Overcast with a low around 74°F [23°C]. SW wind to around 11 mph [18 kph], with gusts to near 23 mph [37 kph]. Chance of precipitation 21% with QPF of 0.00 in [0.0 mm]. Saturday Light Drizzle with a high near 90°F [32°C]. WNW wind to around 15 mph [23 kph], with gusts to near 31 mph [50 kph]. Dewpoint near 64°F [18°C] with humidity of 79%. Pressure around 29.31 in [992.5 mb]. UV Index: 7.45. Chance of precipitation 62% with QPF of 0.03 in [0.8 mm]. Saturday Night Light Drizzle with a low around 74°F [24°C]. WNW wind to around 15 mph [23 kph], with gusts to near 31 mph [50 kph]. Chance of precipitation 62% with QPF of 0.03 in [0.8 mm]. Sunday Overcast with a high near 88°F [31°C]. ENE wind to around 8 mph [12 kph], with gusts to near 19 mph [30 kph]. Dewpoint near 64°F [18°C] with humidity of 79%. Pressure around 29.31 in [992.5 mb]. UV Index: 7.5. Chance of precipitation 4% with QPF of 0.00 in [0.0 mm]. Sunday Night Overcast with a low around 70°F [21°C]. ENE wind to around 8 mph [12 kph], with gusts to near 19 mph [30 kph]. Chance of precipitation 4% with QPF of 0.00 in [0.0 mm]. Monday Thunderstorm with a high near 81°F [27°C]. SSW wind to around 13 mph [20 kph], with gusts to near 31 mph [50 kph]. Dewpoint near 64°F [18°C] with humidity of 90%. Pressure around 29.31 in [992.5 mb]. UV Index: 5.05. Chance of precipitation 45% with QPF of 0.17 in [4.4 mm]. Monday Night Thunderstorm with a low around 69°F [21°C]. SSW wind to around 13 mph [20 kph], with gusts to near 31 mph [50 kph]. Chance of precipitation 45% with QPF of 0.17 in [4.4 mm]. Tuesday Heavy Showers with a high near 77°F [25°C]. WNW wind to around 15 mph [25 kph], with gusts to near 35 mph [56 kph]. Dewpoint near 64°F [18°C] with humidity of 97%. Pressure around 29.31 in [992.5 mb]. UV Index: 7.45. Chance of precipitation 45% with QPF of 0.52 in [13.2 mm]. Tuesday Night Heavy Showers with a low around 66°F [19°C]. WNW wind to around 15 mph [25 kph], with gusts to near 35 mph [56 kph]. Chance of precipitation 45% with QPF of 0.52 in [13.2 mm]. Wednesday Mostly Clear with a high near 75°F [24°C]. NNW wind to around 11 mph [18 kph], with gusts to near 24 mph [39 kph]. Dewpoint near 64°F [18°C] with humidity of 72%. Pressure around 29.31 in [992.5 mb]. UV Index: 7.3. Chance of precipitation 5% with QPF of 0.00 in [0.0 mm]. Wednesday Night Mostly Clear with a low around 58°F [14°C]. NNW wind to around 11 mph [18 kph], with gusts to near 24 mph [39 kph]. Chance of precipitation 5% with QPF of 0.00 in [0.0 mm]. Thursday Partly Cloudy with a high near 79°F [26°C]. WNW wind to around 10 mph [15 kph], with gusts to near 11 mph [17 kph]. Dewpoint near 64°F [18°C] with humidity of 75%. Pressure around 29.31 in [992.5 mb]. UV Index: 7.25. Chance of precipitation 5% with QPF of 0.00 in [0.0 mm]. Thursday Night Partly Cloudy with a low around 59°F [15°C]. WNW wind to around 10 mph [15 kph], with gusts to near 11 mph [17 kph]. Chance of precipitation 5% with QPF of 0.00 in [0.0 mm].

---

7 Day and Night - QPF Forecast for Addison, IL

Tonight: 0.0 mm | 0.00 in

Saturday: 0.8 mm | 0.03 in

Saturday Night: 0.8 mm | 0.03 in

Sunday: 0.0 mm | 0.00 in

Sunday Night: 0.0 mm | 0.00 in

Monday: 4.4 mm | 0.17 in

Monday Night: 4.4 mm | 0.17 in

Tuesday: 13.2 mm | 0.52 in

Tuesday Night: 13.2 mm | 0.52 in

Wednesday: 0.0 mm | 0.00 in

Wednesday Night: 0.0 mm | 0.00 in

Thursday: 0.0 mm | 0.00 in

Thursday Night: 0.0 mm | 0.00 in

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

Tonight: SW @ 18 kph | 11 mph

Saturday: WNW @ 23 kph | 15 mph

Saturday Night: WNW @ 23 kph | 15 mph

Sunday: ENE @ 12 kph | 8 mph

Sunday Night: ENE @ 12 kph | 8 mph

Monday: SSW @ 20 kph | 13 mph

Monday Night: SSW @ 20 kph | 13 mph

Tuesday: WNW @ 25 kph | 15 mph

Tuesday Night: WNW @ 25 kph | 15 mph

Wednesday: NNW @ 18 kph | 11 mph

Wednesday Night: NNW @ 18 kph | 11 mph

Thursday: WNW @ 15 kph | 10 mph

Thursday Night: WNW @ 15 kph | 10 mph

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

Tonight: 90 %

Saturday: 79 %

Saturday Night: 79 %

Sunday: 79 %

Sunday Night: 79 %

Monday: 90 %

Monday Night: 90 %

Tuesday: 97 %

Tuesday Night: 97 %

Wednesday: 72 %

Wednesday Night: 72 %

Thursday: 75 %

Thursday Night: 75 %

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

Tonight: 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

Wednesday: 0.0 cm | 0.00 in

Wednesday Night: 0.0 cm | 0.00 in

Thursday: 0.0 cm | 0.00 in

Thursday Night: 0.0 cm | 0.00 in

Contact Us | Mobile Private Policy | Terms & Conds | Consent Preferences | Cookie Policy Never base any life decisions on weather information from this site or anywhere over the Internet. Site is dedicated to our Lord & Savior Jesus Christ | Random Quotes of Jesus Copyright © 2026 El Dorado Weather, Inc. | Site Designed By:  Webmaster Danny