10-day forecast for Wheaton, IL: 57° to 84°, with precipitation expected on 4 days. The table below breaks each day into morning, afternoon, evening and overnight.
84°
Best day: Saturday, August 8
84° · 1.44 in
Worst day: Sunday, August 9
Tap any day below to see morning, afternoon, evening and overnight.
Sun, 0984° / 64°1.44
Morning71°feels 71°
Afternoon76°feels 78°
Evening81°feels 88°
Overnight67°feels 68°
84 °
Wheaton, Sunday, 9 August
Heavy rain. High 84°, low 64°.
Pressure29.91 inHg
Wind5.9 mph E
Humidity97%
Visibility2.9 mi
Dew point69°
Mon, 1082° / 71°0.06
Morning72°feels 73°
Afternoon78°feels 79°
Evening77°feels 79°
Overnight75°feels 76°
82 °
Wheaton, Monday, 10 August
Rain. High 82°, low 71°.
Pressure29.91 inHg
Wind6.8 mph SE
Humidity69%
Visibility6.2 mi
Dew point70°
Tue, 1184° / 71°0.17
Morning77°feels 78°
Afternoon82°feels 87°
Evening74°feels 75°
Overnight73°feels 74°
84 °
Wheaton, Tuesday, 11 August
Rain. High 84°, low 71°.
Pressure29.80 inHg
Wind9.3 mph W
Humidity79%
Visibility6.2 mi
Dew point72°
Wed, 1281° / 67°0.02
Morning70°feels 71°
Afternoon80°feels 80°
Evening77°feels 79°
Overnight70°feels 72°
81 °
Wheaton, Wednesday, 12 August
Light rain. High 81°, low 67°.
Pressure29.85 inHg
Wind4.5 mph NW
Humidity83%
Visibility6.2 mi
Dew point68°
Thu, 1372° / 62°0.05
Morning67°feels 68°
Afternoon71°feels 71°
Evening66°feels 66°
Overnight63°feels 62°
72 °
Wheaton, Thursday, 13 August
Light rain. High 72°, low 62°.
Pressure29.94 inHg
Wind12.6 mph E
Humidity66%
Visibility—
Dew point60°
Fri, 1475° / 59°0
Morning64°feels 63°
Afternoon73°feels 73°
Evening68°feels 67°
Overnight62°feels 61°
75 °
Wheaton, Friday, 14 August
Clear. High 75°, low 59°.
Pressure30.18 inHg
Wind7.9 mph N
Humidity48%
Visibility—
Dew point51°
Sat, 1574° / 57°0
Morning62°feels 62°
Afternoon73°feels 72°
Evening69°feels 69°
Overnight62°feels 62°
74 °
Wheaton, Saturday, 15 August
Overcast. High 74°, low 57°.
Pressure30.33 inHg
Wind6.3 mph SW
Humidity55%
Visibility—
Dew point54°
Sun, 1676° / 58°0
Morning63°feels 63°
Afternoon74°feels 74°
Evening72°feels 72°
Overnight66°feels 66°
76 °
Wheaton, Sunday, 16 August
Partly cloudy. High 76°, low 58°.
Pressure30.21 inHg
Wind10.4 mph S
Humidity61%
Visibility—
Dew point58°
Mon, 1776° / 65°0.02
Morning69°feels 69°
Afternoon74°feels 75°
Evening75°feels 76°
Overnight71°feels 72°
76 °
Wheaton, Monday, 17 August
Light rain. High 76°, low 65°.
Pressure30.00 inHg
Wind5.9 mph S
Humidity83%
Visibility—
Dew point67°
About this forecast
How reliable is a 10-day forecast?
The first 3–5 days are the most reliable, typically within 2–4°. From day six to ten the models show the trend: the direction of change is right more often than the exact numbers.
What does the time-of-day table show?
Temperature in Wheaton, IL around 8am, 2pm, 8pm and 2am each day — handy for planning a walk, a drive or work outdoors.
How is the best day chosen?
We weigh the daytime high against precipitation: a warm, dry day scores highest.