Chesterfield, IL Weather Forecast
Local 7-day forecast
Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Chesterfield, IL in one place.
Sunny, with a high near 80. East wind 6 to 9 mph.
Local Weather Overview
This forecast page for Chesterfield, 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: May 31, 2026 3:01 PM CDT.
The active forecast window currently covers Jun 2 to Jun 6, 2026 for Chesterfield, IL.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jun 2 to Jun 6, 2026
- Latest sync
- May 31, 2026 3:01 PM CDT
- Forecast office
- LSX
- Source
- NOAA / NWS
Daily Outlook
This Week in Chesterfield
Friday looks like the warmest upcoming period in Chesterfield at 86 degrees F.
Tuesday Night is the coolest period ahead with temperatures near 53 degrees F.
The strongest winds are forecast for Friday at about 7 to 10 mph S.
Precipitation is mentioned in 4 upcoming forecast periods.
Forecast Details
- Last updated
- May 31, 2026 3:01 PM CDT
- Coverage
- 5 days
- Time zone
- America/Chicago
- Forecast office
- LSX
- Radar station
- KLSX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Mostly clear, with a low around 53.
Sunny, with a high near 80.
Mostly clear, with a low around 55.
Sunny, with a high near 84.
Partly cloudy, with a low around 61.
A slight chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 86. Chance of precipitation is 20%.
A slight chance of showers and thunderstorms before 1am, then a chance of showers and thunderstorms. Partly cloudy, with a low around 64. Chance of precipitation is 30%.
A chance of showers and thunderstorms before 1pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 86. Chance of precipitation is 40%.
A chance of showers and thunderstorms before 1am, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 65. Chance of precipitation is 40%.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Tuesday
Jun 2
|
Sunny
|
80°F |
6 to 9 mph
E
|
|
Tuesday Night
Jun 2
|
Mostly Clear
|
53°F |
3 to 8 mph
E
|
|
Wednesday
Jun 3
|
Sunny
|
80°F |
7 mph
E
|
|
Wednesday Night
Jun 3
|
Mostly Clear
|
55°F |
6 mph
SE
|
|
Thursday
Jun 4
|
Sunny
|
84°F |
7 mph
S
|
|
Thursday Night
Jun 4
|
Partly Cloudy
|
61°F |
5 to 8 mph
S
|
|
Friday
Jun 5
|
Mostly Sunny then Slight Chance Showers And Thunderstorms
|
86°F |
7 to 10 mph
S
|
|
Friday Night
Jun 5
|
Slight Chance Showers And Thunderstorms
|
64°F |
7 mph
S
|
|
Saturday
Jun 6
|
Chance Showers And Thunderstorms
|
86°F |
9 mph
SW
|
|
Saturday Night
Jun 6
|
Chance Showers And Thunderstorms
|
65°F |
7 mph
S
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Chesterfield.