National Weather Service Forecast for: Chillum MD
Issued by: National Weather Service Baltimore, MD/Washington, D.C.
Updated: 9:53 pm EST Feb 2, 2026
 
Tonight

Tonight: Mostly cloudy, with a low around 17. Calm wind.
Mostly Cloudy

Tuesday

Tuesday: A slight chance of rain and snow after 4pm.  Increasing clouds, with a high near 39. Light and variable wind.  Chance of precipitation is 20%.
Mostly Sunny
then Slight
Chance
Rain/Snow
Tuesday
Night
Tuesday Night: Snow likely, mainly before 1am.  Cloudy, with a low around 27. Light and variable wind.  Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Snow Likely

Wednesday

Wednesday: Partly sunny, with a high near 33. North wind around 7 mph.
Partly Sunny

Wednesday
Night
Wednesday Night: Partly cloudy, with a low around 16. Calm wind becoming northwest around 5 mph after midnight.
Partly Cloudy

Thursday

Thursday: Mostly sunny, with a high near 30.
Mostly Sunny

Thursday
Night
Thursday Night: Partly cloudy, with a low around 13.
Partly Cloudy

Friday

Friday: A chance of snow.  Mostly cloudy, with a high near 37. Chance of precipitation is 40%.
Chance Snow

Friday
Night
Friday Night: Partly cloudy, with a low around 15.
Partly Cloudy

Lo 17 °F Hi 39 °F Lo 27 °F Hi 33 °F Lo 16 °F Hi 30 °F Lo 13 °F Hi 37 °F Lo 15 °F

 

Tonight
 
Mostly cloudy, with a low around 17. Calm wind.
Tuesday
 
A slight chance of rain and snow after 4pm. Increasing clouds, with a high near 39. Light and variable wind. Chance of precipitation is 20%.
Tuesday Night
 
Snow likely, mainly before 1am. Cloudy, with a low around 27. Light and variable wind. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Wednesday
 
Partly sunny, with a high near 33. North wind around 7 mph.
Wednesday Night
 
Partly cloudy, with a low around 16. Calm wind becoming northwest around 5 mph after midnight.
Thursday
 
Mostly sunny, with a high near 30.
Thursday Night
 
Partly cloudy, with a low around 13.
Friday
 
A chance of snow. Mostly cloudy, with a high near 37. Chance of precipitation is 40%.
Friday Night
 
Partly cloudy, with a low around 15.
Saturday
 
Sunny, with a high near 24.
Saturday Night
 
Mostly clear, with a low around 10.
Sunday
 
Mostly sunny, with a high near 25.
Sunday Night
 
Partly cloudy, with a low around 12.
Monday
 
Mostly sunny, with a high near 29.

 

Forecast from NOAA-NWS for Chillum MD.