Wheaton, IL Weather Forecast
Local 7-day forecast
Mostly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Wheaton, IL in one place.
Mostly sunny. High near 71, with temperatures falling to around 69 in the afternoon. West northwest wind 5 to 10 mph, with gusts as high as 20 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: Oct 8, 2026 9:43 AM CDT.
The active forecast window currently covers Oct 8 to Oct 14, 2026 for Wheaton, IL.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Oct 8 to Oct 14, 2026
- Latest sync
- Oct 8, 2026 9:43 AM CDT
- Forecast office
- LOT
- Source
- NOAA / NWS
Daily Outlook
This Week in Wheaton
Saturday looks like the warmest upcoming period in Wheaton at 80 degrees F.
Tuesday Night is the coolest period ahead with temperatures near 46 degrees F.
The strongest winds are forecast for Tuesday at about 10 to 15 mph NNW.
Precipitation is mentioned in 6 upcoming forecast periods.
Forecast Details
- Last updated
- Oct 8, 2026 9:43 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
Partly cloudy, with a low around 51. North wind 0 to 5 mph.
A chance of rain showers between 9am and 2pm, then a chance of showers and thunderstorms between 2pm and 4pm, then a slight chance of showers and thunderstorms between 4pm and 5pm. Partly sunny, with a high near 74. Southeast wind 0 to 10 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.
Mostly clear, with a low around 60. South southeast wind around 10 mph, with gusts as high as 20 mph.
Sunny, with a high near 80. South wind around 10 mph, with gusts as high as 20 mph.
Mostly cloudy, with a low around 60.
A slight chance of rain showers between 7am and 1pm. Partly sunny, with a high near 73.
Partly cloudy, with a low around 56.
A slight chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 78.
A chance of showers and thunderstorms. Mostly cloudy, with a low around 56.
A chance of rain showers before 7am. Partly sunny, with a high near 66.
Partly cloudy, with a low around 46.
Mostly sunny, with a high near 63.
A chance of rain showers after 7pm. Partly cloudy, with a low around 49.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Today
Oct 8
|
Mostly Sunny
|
71°F |
5 to 10 mph
WNW
|
|
Tonight
Oct 8
|
Partly Cloudy
|
51°F |
0 to 5 mph
N
|
|
Friday
Oct 9
|
Chance Rain Showers
|
74°F |
0 to 10 mph
SE
|
|
Friday Night
Oct 9
|
Mostly Clear
|
60°F |
10 mph
SSE
|
|
Saturday
Oct 10
|
Sunny
|
80°F |
10 mph
S
|
|
Saturday Night
Oct 10
|
Mostly Cloudy
|
60°F |
5 to 10 mph
SSE
|
|
Sunday
Oct 11
|
Slight Chance Rain Showers
|
73°F |
5 mph
SE
|
|
Sunday Night
Oct 11
|
Partly Cloudy
|
56°F |
0 to 5 mph
S
|
|
Columbus Day
Oct 12
|
Mostly Sunny then Slight Chance Showers And Thunderstorms
|
78°F |
5 to 10 mph
SW
|
|
Monday Night
Oct 12
|
Chance Showers And Thunderstorms
|
56°F |
10 mph
W
|
|
Tuesday
Oct 13
|
Chance Rain Showers then Partly Sunny
|
66°F |
10 to 15 mph
NNW
|
|
Tuesday Night
Oct 13
|
Partly Cloudy
|
46°F |
5 to 10 mph
NNW
|
|
Wednesday
Oct 14
|
Mostly Sunny
|
63°F |
5 to 10 mph
NE
|
|
Wednesday Night
Oct 14
|
Chance Rain Showers
|
49°F |
5 to 10 mph
SSE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Wheaton.
