NWS Forecast for Chillum MD

National Weather Service Forecast for: Chillum MD
Issued by: National Weather Service Baltimore, MD/Washington, D.C.

Updated: 1:22 pm EST Nov 1, 2026

This Afternoon Partly Sunny	Tonight Mostly Cloudy	Monday Gradual Clearing	Monday Night Mostly Clear	Tuesday Mostly Sunny	Tuesday Night Mostly Clear	Wednesday Mostly Sunny	Wednesday Night Mostly Cloudy then Slight Chance Rain	Thursday Chance Rain
Hi 65 °F	Lo 45 °F	Hi 67 °F	Lo 46 °F	Hi 73 °F	Lo 51 °F	Hi 75 °F	Lo 59 °F	Hi 74 °F

This Afternoon	Partly sunny, with a high near 65. Calm wind.
Tonight	Mostly cloudy, with a low around 45. Calm wind.
Monday	Cloudy through mid morning, then gradual clearing, with a high near 67. Calm wind becoming south around 5 mph in the afternoon.
Monday Night	Mostly clear, with a low around 46. Calm wind.
Tuesday	Mostly sunny, with a high near 73. Calm wind becoming south 5 to 7 mph in the afternoon.
Tuesday Night	Mostly clear, with a low around 51.
Wednesday	Mostly sunny, with a high near 75.
Wednesday Night	A slight chance of rain after 1am. Mostly cloudy, with a low around 59. Chance of precipitation is 20%.
Thursday	A chance of rain, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 74. Chance of precipitation is 50%.
Thursday Night	Rain likely and possibly a thunderstorm. Mostly cloudy, with a low around 59. Chance of precipitation is 60%.
Friday	A chance of rain and thunderstorms. Mostly cloudy, with a high near 71. Chance of precipitation is 50%.
Friday Night	A slight chance of rain. Mostly cloudy, with a low around 53. Chance of precipitation is 20%.
Saturday	A slight chance of rain. Mostly sunny, with a high near 65. Chance of precipitation is 20%.

Forecast from NOAA-NWS for Chillum MD.