National Weather Service Forecast for: Chillum MD
Issued by: National Weather Service Baltimore, MD/Washington, D.C.
Updated: 12:53 am EST Dec 5, 2025
 
Overnight

Overnight: Snow likely, mainly after 4am.  Cloudy, with a low around 24. Northeast wind around 6 mph.  Chance of precipitation is 60%. Total nighttime snow accumulation of less than a half inch possible.
Snow Likely
Friday

Friday: Snow, mainly before 8am.  High near 33. East wind around 5 mph becoming calm  in the afternoon.  Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Snow then
Chance Snow
Friday
Night
Friday Night: Patchy fog between 8pm and 1am.  Otherwise, mostly cloudy, with a low around 25. Calm wind.
Patchy Fog
Saturday

Saturday: Partly sunny, with a high near 42. Light southwest wind.
Partly Sunny
Saturday
Night
Saturday Night: Partly cloudy, with a low around 27. Calm wind.
Partly Cloudy
Sunday

Sunday: Partly sunny, with a high near 43.
Partly Sunny
Sunday
Night
Sunday Night: Mostly cloudy, with a low around 27.
Mostly Cloudy
Monday

Monday: Mostly sunny, with a high near 36.
Mostly Sunny
Monday
Night
Monday Night: Mostly clear, with a low around 20.
Mostly Clear
Lo 24 °F Hi 33 °F Lo 25 °F Hi 42 °F Lo 27 °F Hi 43 °F Lo 27 °F Hi 36 °F Lo 20 °F

Winter Weather Advisory
Hazardous Weather Outlook
 

Overnight
 
Snow likely, mainly after 4am. Cloudy, with a low around 24. Northeast wind around 6 mph. Chance of precipitation is 60%. Total nighttime snow accumulation of less than a half inch possible.
Friday
 
Snow, mainly before 8am. High near 33. East wind around 5 mph becoming calm in the afternoon. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Friday Night
 
Patchy fog between 8pm and 1am. Otherwise, mostly cloudy, with a low around 25. Calm wind.
Saturday
 
Partly sunny, with a high near 42. Light southwest wind.
Saturday Night
 
Partly cloudy, with a low around 27. Calm wind.
Sunday
 
Partly sunny, with a high near 43.
Sunday Night
 
Mostly cloudy, with a low around 27.
Monday
 
Mostly sunny, with a high near 36.
Monday Night
 
Mostly clear, with a low around 20.
Tuesday
 
Mostly sunny, with a high near 39.
Tuesday Night
 
Mostly cloudy, with a low around 30.
Wednesday
 
Mostly cloudy, with a high near 48.
Wednesday Night
 
A chance of rain. Mostly cloudy, with a low around 37. Chance of precipitation is 40%.
Thursday
 
A chance of rain. Partly sunny, with a high near 45. Chance of precipitation is 30%.

 

Forecast from NOAA-NWS for Chillum MD.