Addison, IL Weather Forecast
Local 7-day forecast
Chance Showers And Thunderstorms
Track current conditions, temperature changes, wind, and the full daily outlook for Addison, IL in one place.
A chance of showers and thunderstorms. Mostly cloudy. Low around 68, with temperatures rising to around 70 overnight. South southwest wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible.
Local Weather Overview
This forecast page for Addison, IL is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: Sep 15, 2026 5:56 AM CDT.
The active forecast window currently covers Sep 15 to Sep 21, 2026 for Addison, IL.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Sep 15 to Sep 21, 2026
- Latest sync
- Sep 15, 2026 5:56 AM CDT
- Forecast office
- LOT
- Source
- NOAA / NWS
Daily Outlook
This Week in Addison
Tuesday looks like the warmest upcoming period in Addison at 81 degrees F.
Sunday Night is the coolest period ahead with temperatures near 57 degrees F.
The strongest winds are forecast for Overnight at about 15 mph SSW.
Precipitation is mentioned in 14 upcoming forecast periods.
Forecast Details
- Last updated
- Sep 15, 2026 5:56 AM CDT
- Coverage
- 7 days
- Time zone
- America/Chicago
- Forecast office
- LOT
- Radar station
- KLOT
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Showers and thunderstorms before 1pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 81. Southwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch possible.
A chance of showers and thunderstorms before 7pm, then a slight chance of showers and thunderstorms between 7pm and midnight, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 63. North northwest wind 5 to 10 mph. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch possible.
A chance of rain showers. Mostly cloudy, with a high near 73. Northeast wind 5 to 10 mph. Chance of precipitation is 40%.
A slight chance of rain showers before 7pm, then showers and thunderstorms likely. Mostly cloudy, with a low around 64. East southeast wind 0 to 5 mph, with gusts as high as 15 mph. Chance of precipitation is 60%.
Showers and thunderstorms likely before 1pm. Mostly cloudy, with a high near 77. Chance of precipitation is 60%.
A chance of rain showers after 1am. Mostly cloudy, with a low around 63.
A chance of rain showers. Mostly cloudy, with a high near 76.
A slight chance of rain showers before 7pm, then a slight chance of showers and thunderstorms between 7pm and 1am, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 64.
A chance of showers and thunderstorms before 1pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 81.
A chance of showers and thunderstorms before 7pm, then showers and thunderstorms likely. Mostly cloudy, with a low around 63.
A chance of rain showers before 1pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 73.
A chance of showers and thunderstorms. Mostly cloudy, with a low around 57.
A slight chance of rain showers before 1pm, then a slight chance of showers and thunderstorms. Partly sunny, with a high near 70.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Overnight
Sep 15
|
Chance Showers And Thunderstorms
|
68°F |
15 mph
SSW
|
|
Tuesday
Sep 15
|
Showers And Thunderstorms
|
81°F |
10 to 15 mph
SW
|
|
Tuesday Night
Sep 15
|
Chance Showers And Thunderstorms
|
63°F |
5 to 10 mph
NNW
|
|
Wednesday
Sep 16
|
Chance Rain Showers
|
73°F |
5 to 10 mph
NE
|
|
Wednesday Night
Sep 16
|
Showers And Thunderstorms Likely
|
64°F |
0 to 5 mph
ESE
|
|
Thursday
Sep 17
|
Showers And Thunderstorms Likely
|
77°F |
5 mph
N
|
|
Thursday Night
Sep 17
|
Mostly Cloudy then Chance Rain Showers
|
63°F |
5 mph
NE
|
|
Friday
Sep 18
|
Chance Rain Showers
|
76°F |
5 to 10 mph
ENE
|
|
Friday Night
Sep 18
|
Slight Chance Showers And Thunderstorms
|
64°F |
5 to 10 mph
ESE
|
|
Saturday
Sep 19
|
Chance Showers And Thunderstorms
|
81°F |
10 to 15 mph
SSW
|
|
Saturday Night
Sep 19
|
Chance Showers And Thunderstorms then Showers And Thunderstorms Likely
|
63°F |
10 mph
WNW
|
|
Sunday
Sep 20
|
Chance Rain Showers
|
73°F |
10 mph
N
|
|
Sunday Night
Sep 20
|
Chance Showers And Thunderstorms
|
57°F |
10 mph
NE
|
|
Monday
Sep 21
|
Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms
|
70°F |
10 to 15 mph
NE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Addison.
