Avon, IL Weather Forecast
Local 7-day forecast
Showers And Thunderstorms Likely
Track current conditions, temperature changes, wind, and the full daily outlook for Avon, IL in one place.
Showers and thunderstorms likely before 2pm, then a slight chance of showers and thunderstorms between 2pm and 3pm. Mostly cloudy, with a high near 81. East northeast wind around 5 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Local Weather Overview
This forecast page for Avon, 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 7:45 AM CDT.
The active forecast window currently covers Sep 16 to Sep 21, 2026 for Avon, IL.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Sep 16 to Sep 21, 2026
- Latest sync
- Sep 15, 2026 7:45 AM CDT
- Forecast office
- ILX
- Source
- NOAA / NWS
Daily Outlook
This Week in Avon
Thursday looks like the warmest upcoming period in Avon at 85 degrees F.
Sunday Night is the coolest period ahead with temperatures near 57 degrees F.
The strongest winds are forecast for Saturday at about 8 to 13 mph SW.
Precipitation is mentioned in 11 upcoming forecast periods.
Forecast Details
- Last updated
- Sep 15, 2026 7:45 AM CDT
- Coverage
- 6 days
- Time zone
- America/Chicago
- Forecast office
- ILX
- Radar station
- KDVN
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
A chance of showers and thunderstorms between 7pm and 4am, then a chance of showers and thunderstorms. Partly cloudy, with a low around 69. East wind around 2 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch possible.
A chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 85. West northwest wind around 3 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch possible.
A chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 66. Northeast wind around 3 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.
A chance of showers and thunderstorms before 7am, then a chance of showers and thunderstorms between 7am and 1pm, then a slight chance of showers and thunderstorms. Mostly sunny, with a high near 84. Chance of precipitation is 50%.
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 68.
A chance of rain showers before 1pm, then a chance of showers and thunderstorms. Mostly sunny, with a high near 84.
Showers and thunderstorms likely. Mostly cloudy, with a low around 64.
Rain showers likely before 1pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 75.
A chance of showers and thunderstorms. Mostly cloudy, with a low around 57.
A slight chance of rain showers before 7am. Partly sunny, with a high near 72.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Wednesday
Sep 16
|
Showers And Thunderstorms Likely
|
81°F |
5 mph
ENE
|
|
Wednesday Night
Sep 16
|
Chance Showers And Thunderstorms
|
69°F |
2 mph
E
|
|
Thursday
Sep 17
|
Chance Showers And Thunderstorms
|
85°F |
3 mph
WNW
|
|
Thursday Night
Sep 17
|
Partly Cloudy then Chance Showers And Thunderstorms
|
66°F |
3 mph
NE
|
|
Friday
Sep 18
|
Chance Showers And Thunderstorms
|
84°F |
3 to 7 mph
ESE
|
|
Friday Night
Sep 18
|
Slight Chance Showers And Thunderstorms
|
68°F |
3 to 7 mph
SE
|
|
Saturday
Sep 19
|
Chance Rain Showers
|
84°F |
8 to 13 mph
SW
|
|
Saturday Night
Sep 19
|
Showers And Thunderstorms Likely
|
64°F |
3 to 7 mph
NW
|
|
Sunday
Sep 20
|
Rain Showers Likely
|
75°F |
5 to 9 mph
N
|
|
Sunday Night
Sep 20
|
Chance Showers And Thunderstorms
|
57°F |
3 to 8 mph
NNE
|
|
Monday
Sep 21
|
Slight Chance Rain Showers then Partly Sunny
|
72°F |
5 to 10 mph
NNE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Avon.
