National Weather Service Forecast for: Wheaton IL
Issued by: National Weather Service Chicago, IL
Updated: 3:41 am CST Dec 22, 2025
 
Today

Today: A slight chance of sprinkles between 2pm and 5pm. Mostly cloudy, with a high near 41. South wind 10 to 15 mph, with gusts as high as 25 mph.
Slight Chance
Sprinkles
 Tonight

Tonight: Mostly cloudy, with a low around 36. Southwest wind around 10 mph, with gusts as high as 15 mph.
Mostly Cloudy

 Tuesday

Tuesday: Partly sunny, with a high near 45. West northwest wind 5 to 10 mph.
Partly Sunny

 Tuesday
Night
Tuesday Night: Mostly cloudy, with a low around 31. Northwest wind around 5 mph becoming east after midnight. Winds could gust as high as 10 mph.
Mostly Cloudy

 Wednesday

Wednesday: A 30 percent chance of showers with intermittent drizzle after noon. Cloudy, with a high near 41. Southeast wind 5 to 10 mph, with gusts as high as 15 mph.
Mostly Cloudy
then Chance
Showers
 Wednesday
Night
Wednesday Night: Showers likely with intermittent drizzle before midnight, then patchy drizzle with a slight chance of showers after midnight. Patchy fog. Otherwise, cloudy, with a low around 40. Chance of precipitation is 60%.
Showers
Likely and
Patchy Fog
 Christmas
Day
Christmas Day: Patchy drizzle before noon, then patchy drizzle with a slight chance of showers after noon. Patchy fog before 1pm. Otherwise, cloudy, with a high near 46. Chance of precipitation is 20%.
Patchy
Drizzle and
Patchy Fog
 Thursday
Night
Thursday Night: Patchy drizzle with a chance of showers. Mostly cloudy, with a low around 46.
Chance
Showers
 Friday

Friday: Mostly sunny, with a high near 53.
Mostly Sunny
Hi 41 °F Lo 36 °F Hi 45 °F Lo 31 °F Hi 41 °F Lo 40 °F Hi 46 °F Lo 46 °F Hi 53 °F

 

Today
 
 A slight chance of sprinkles between 2pm and 5pm. Mostly cloudy, with a high near 41. South wind 10 to 15 mph, with gusts as high as 25 mph.
Tonight
 
 Mostly cloudy, with a low around 36. Southwest wind around 10 mph, with gusts as high as 15 mph.
Tuesday
 
 Partly sunny, with a high near 45. West northwest wind 5 to 10 mph.
Tuesday Night
 
 Mostly cloudy, with a low around 31. Northwest wind around 5 mph becoming east after midnight. Winds could gust as high as 10 mph.
Wednesday
 
 A 30 percent chance of showers with intermittent drizzle after noon. Cloudy, with a high near 41. Southeast wind 5 to 10 mph, with gusts as high as 15 mph.
Wednesday Night
 
 Showers likely with intermittent drizzle before midnight, then patchy drizzle with a slight chance of showers after midnight. Patchy fog. Otherwise, cloudy, with a low around 40. Chance of precipitation is 60%.
Christmas Day
 
 Patchy drizzle before noon, then patchy drizzle with a slight chance of showers after noon. Patchy fog before 1pm. Otherwise, cloudy, with a high near 46. Chance of precipitation is 20%.
Thursday Night
 
 Patchy drizzle with a chance of showers. Mostly cloudy, with a low around 46.
Friday
 
 Mostly sunny, with a high near 53.
Friday Night
 
 Mostly cloudy, with a low around 35.
Saturday
 
 Mostly cloudy, with a high near 51.
Saturday Night
 
 A chance of rain. Mostly cloudy, with a low around 27.
Sunday
 
 Partly sunny, with a high near 34. Breezy.

 

Forecast from NOAA-NWS for Wheaton IL.