Wheaton, IL Weather Forecast
Local 7-day forecast
Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Wheaton, IL in one place.
Sunny, with a high near 85. South wind 5 to 10 mph.
Local Weather Overview
This forecast page for Wheaton, 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 24, 2026 3:27 AM CDT.
The active forecast window currently covers May 25 to May 30, 2026 for Wheaton, IL.
Page Snapshot
- Page focus
- city weather
- Forecast window
- May 25 to May 30, 2026
- Latest sync
- May 24, 2026 3:27 AM CDT
- Forecast office
- LOT
- Source
- NOAA / NWS
Daily Outlook
This Week in Wheaton
Tuesday looks like the warmest upcoming period in Wheaton at 86 degrees F.
Friday Night is the coolest period ahead with temperatures near 56 degrees F.
The strongest winds are forecast for Thursday at about 5 to 15 mph NE.
Precipitation is mentioned in 3 upcoming forecast periods.
Forecast Details
- Last updated
- May 24, 2026 3:27 AM CDT
- Coverage
- 6 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
Mostly clear, with a low around 62. South wind 5 to 10 mph.
Mostly sunny, with a high near 86.
A slight chance of rain showers after 1am. Partly cloudy, with a low around 65.
A chance of rain showers before 1pm, then a slight chance of showers and thunderstorms. Partly sunny, with a high near 83.
A slight chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 61.
Mostly sunny, with a high near 81.
Partly cloudy, with a low around 58.
Mostly sunny, with a high near 77.
Partly cloudy, with a low around 56.
Mostly sunny, with a high near 76.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Memorial Day
May 25
|
Sunny
|
85°F |
5 to 10 mph
S
|
|
Monday Night
May 25
|
Mostly Clear
|
62°F |
5 to 10 mph
S
|
|
Tuesday
May 26
|
Mostly Sunny
|
86°F |
0 to 10 mph
SSE
|
|
Tuesday Night
May 26
|
Partly Cloudy then Slight Chance Rain Showers
|
65°F |
0 to 10 mph
ESE
|
|
Wednesday
May 27
|
Chance Rain Showers then Slight Chance Showers And Thunderstorms
|
83°F |
0 to 10 mph
ENE
|
|
Wednesday Night
May 27
|
Slight Chance Showers And Thunderstorms then Partly Cloudy
|
61°F |
5 to 10 mph
NE
|
|
Thursday
May 28
|
Mostly Sunny
|
81°F |
5 to 15 mph
NE
|
|
Thursday Night
May 28
|
Partly Cloudy
|
58°F |
5 to 15 mph
NE
|
|
Friday
May 29
|
Mostly Sunny
|
77°F |
10 to 15 mph
NE
|
|
Friday Night
May 29
|
Partly Cloudy
|
56°F |
5 to 15 mph
ENE
|
|
Saturday
May 30
|
Mostly Sunny
|
76°F |
5 to 15 mph
ENE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Wheaton.
