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. High near 84, with temperatures falling to around 82 in the afternoon. Southwest wind 5 to 15 mph, with gusts as high as 30 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: Jun 12, 2026 9:13 AM CDT.
The active forecast window currently covers Jun 13 to Jun 18, 2026 for Wheaton, IL.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jun 13 to Jun 18, 2026
- Latest sync
- Jun 12, 2026 9:13 AM CDT
- Forecast office
- LOT
- Source
- NOAA / NWS
Daily Outlook
This Week in Wheaton
Saturday looks like the warmest upcoming period in Wheaton at 84 degrees F.
Sunday Night is the coolest period ahead with temperatures near 53 degrees F.
The strongest winds are forecast for Wednesday Night at about 15 to 20 mph SW.
Precipitation is mentioned in 8 upcoming forecast periods.
Forecast Details
- Last updated
- Jun 12, 2026 9:13 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
A slight chance of showers and thunderstorms before 7pm, then showers and thunderstorms. Mostly cloudy, with a low around 60. West wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 90%.
Showers and thunderstorms before 7am. Mostly sunny, with a high near 71. Northwest wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 80%.
Mostly clear, with a low around 53.
Sunny, with a high near 75.
Partly cloudy, with a low around 55.
A slight chance of rain showers between 7am and 1pm, then a chance of showers and thunderstorms. Mostly sunny, with a high near 76.
A chance of showers and thunderstorms. Partly cloudy, with a low around 56.
A slight chance of showers and thunderstorms before 7am, then showers and thunderstorms likely. Partly sunny, with a high near 77.
Showers and thunderstorms. Mostly cloudy, with a low around 62.
A chance of showers and thunderstorms before 7am, then a slight chance of showers and thunderstorms. Partly sunny, with a high near 78.
A slight chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 59.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Saturday
Jun 13
|
Sunny
|
84°F |
5 to 15 mph
SW
|
|
Saturday Night
Jun 13
|
Slight Chance Showers And Thunderstorms then Showers And Thunderstorms
|
60°F |
10 to 15 mph
W
|
|
Sunday
Jun 14
|
Showers And Thunderstorms then Mostly Sunny
|
71°F |
10 to 15 mph
NW
|
|
Sunday Night
Jun 14
|
Mostly Clear
|
53°F |
5 to 15 mph
WNW
|
|
Monday
Jun 15
|
Sunny
|
75°F |
5 to 15 mph
W
|
|
Monday Night
Jun 15
|
Partly Cloudy
|
55°F |
5 to 10 mph
W
|
|
Tuesday
Jun 16
|
Slight Chance Rain Showers then Chance Showers And Thunderstorms
|
76°F |
5 to 15 mph
SW
|
|
Tuesday Night
Jun 16
|
Chance Showers And Thunderstorms
|
56°F |
5 to 15 mph
SW
|
|
Wednesday
Jun 17
|
Slight Chance Showers And Thunderstorms then Showers And Thunderstorms Likely
|
77°F |
5 to 15 mph
SSW
|
|
Wednesday Night
Jun 17
|
Showers And Thunderstorms
|
62°F |
15 to 20 mph
SW
|
|
Thursday
Jun 18
|
Chance Showers And Thunderstorms then Slight Chance Showers And Thunderstorms
|
78°F |
15 to 20 mph
W
|
|
Thursday Night
Jun 18
|
Slight Chance Showers And Thunderstorms
|
59°F |
5 to 15 mph
WNW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Wheaton.
