Wheaton, IL Weather Forecast

Local 7-day forecast

84°
F

Chance Showers And Thunderstorms

Track current conditions, temperature changes, wind, and the full daily outlook for Wheaton, IL in one place.

Thursday, July 9, 2026
Wind: 5 to 10 mph WSW
Thursday

A chance of showers and thunderstorms between 9am and 4pm, then showers and thunderstorms likely. Mostly cloudy. High near 84, with temperatures falling to around 81 in the afternoon. West southwest wind 5 to 10 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

Local 7-day forecast

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: Jul 8, 2026 11:24 AM CDT.

The active forecast window currently covers Jul 9 to Jul 14, 2026 for Wheaton, IL.

Page Snapshot

Page focus
city weather
Forecast window
Jul 9 to Jul 14, 2026
Latest sync
Jul 8, 2026 11:24 AM CDT
Forecast office
LOT
Source
NOAA / NWS
Next High
84°F
Thursday
Next Low
67°F
Thursday Night
Rain Outlook
3
Periods mentioning precipitation
Windiest
5 to 15 mph
Tuesday Night

Daily Outlook

Today
Jul 9
Chance Showers And Thunderstorms
84 °F
/ 67°F
Wind 5 to 10 mph
Fri
Jul 10
Chance Showers And Thunderstorms then Partly Sunny
81 °F
/ 65°F
Wind 5 to 10 mph
Sat
Jul 11
Mostly Sunny
83 °F
/ 66°F
Wind 5 to 10 mph
Sun
Jul 12
Sunny
86 °F
/ 68°F
Wind 0 to 5 mph
Mon
Jul 13
Sunny
89 °F
/ 70°F
Wind 5 to 10 mph
Tue
Jul 14
Sunny
90 °F
/ 71°F
Wind 5 to 10 mph

This Week in Wheaton

Tuesday looks like the warmest upcoming period in Wheaton at 90 degrees F.

Friday Night is the coolest period ahead with temperatures near 65 degrees F.

The strongest winds are forecast for Tuesday Night at about 5 to 15 mph W.

Precipitation is mentioned in 3 upcoming forecast periods.

Forecast Details

Last updated
Jul 8, 2026 11:24 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 source

Extended Forecast

Thursday Night
Jul 9
67°F
Showers And Thunderstorms Likely then Chance Showers And Thunderstorms
0 to 5 mph NNE

Showers and thunderstorms likely before 7pm, then a chance of showers and thunderstorms between 7pm and 1am, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 67. North northeast wind 0 to 5 mph, with gusts as high as 10 mph. Chance of precipitation is 60%.

Friday
Jul 10
81°F
Chance Showers And Thunderstorms then Partly Sunny
5 to 10 mph NNE

A chance of showers and thunderstorms before 7am. Partly sunny, with a high near 81. North northeast wind 5 to 10 mph. Chance of precipitation is 30%.

Friday Night
Jul 10
65°F
Mostly Cloudy
5 to 10 mph NE

Mostly cloudy, with a low around 65.

Saturday
Jul 11
83°F
Mostly Sunny
5 to 10 mph ENE

Mostly sunny, with a high near 83.

Saturday Night
Jul 11
66°F
Partly Cloudy
0 to 10 mph NE

Partly cloudy, with a low around 66.

Sunday
Jul 12
86°F
Sunny
0 to 5 mph NE

Sunny, with a high near 86.

Sunday Night
Jul 12
68°F
Mostly Clear
5 mph NW

Mostly clear, with a low around 68.

Monday
Jul 13
89°F
Sunny
5 to 10 mph WNW

Sunny, with a high near 89.

Monday Night
Jul 13
70°F
Mostly Clear
5 to 10 mph W

Mostly clear, with a low around 70.

Tuesday
Jul 14
90°F
Sunny
5 to 10 mph W

Sunny, with a high near 90.

Tuesday Night
Jul 14
71°F
Mostly Clear
5 to 15 mph W

Mostly clear, with a low around 71.

Detailed Forecast

Period Conditions Temp Wind
Thursday
Jul 9
Chance Showers And Thunderstorms
84°F
5 to 10 mph
WSW
Thursday Night
Jul 9
Showers And Thunderstorms Likely then Chance Showers And Thunderstorms
67°F
0 to 5 mph
NNE
Friday
Jul 10
Chance Showers And Thunderstorms then Partly Sunny
81°F
5 to 10 mph
NNE
Friday Night
Jul 10
Mostly Cloudy
65°F
5 to 10 mph
NE
Saturday
Jul 11
Mostly Sunny
83°F
5 to 10 mph
ENE
Saturday Night
Jul 11
Partly Cloudy
66°F
0 to 10 mph
NE
Sunday
Jul 12
Sunny
86°F
0 to 5 mph
NE
Sunday Night
Jul 12
Mostly Clear
68°F
5 mph
NW
Monday
Jul 13
Sunny
89°F
5 to 10 mph
WNW
Monday Night
Jul 13
Mostly Clear
70°F
5 to 10 mph
W
Tuesday
Jul 14
Sunny
90°F
5 to 10 mph
W
Tuesday Night
Jul 14
Mostly Clear
71°F
5 to 15 mph
W
Old DuPage County Courthouse
Old DuPage County Courthouse image
Weather data provided by the National Weather Service (NOAA). Forecast pages update automatically as new periods are synced for each supported U.S. location.