NWS Forecast for Catonsville MD

National Weather Service Forecast for: Catonsville 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 Decreasing Clouds	Monday Night Partly Cloudy	Tuesday Mostly Sunny	Tuesday Night Mostly Clear	Wednesday Mostly Sunny	Wednesday Night Partly Cloudy then Slight Chance Rain	Thursday Rain Likely
Hi 63 °F	Lo 45 °F	Hi 65 °F	Lo 47 °F	Hi 71 °F	Lo 52 °F	Hi 72 °F	Lo 59 °F	Hi 72 °F

This Afternoon	Partly sunny, with a high near 63. Calm wind.
Tonight	Mostly cloudy, with a low around 45. Calm wind.
Monday	Cloudy, then gradually becoming mostly sunny, with a high near 65. Calm wind becoming south around 6 mph in the afternoon.
Monday Night	Partly cloudy, with a low around 47. Light south wind.
Tuesday	Mostly sunny, with a high near 71. Calm wind becoming south 5 to 7 mph in the afternoon.
Tuesday Night	Mostly clear, with a low around 52.
Wednesday	Mostly sunny, with a high near 72.
Wednesday Night	A slight chance of rain after 1am. Mostly cloudy, with a low around 59. Chance of precipitation is 20%.
Thursday	Rain likely, with thunderstorms also possible after 1pm. Cloudy, with a high near 72. Chance of precipitation is 60%.
Thursday Night	Rain likely, with thunderstorms also possible after 1am. 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 70. Chance of precipitation is 50%.
Friday Night	A chance of rain. Mostly cloudy, with a low around 53. Chance of precipitation is 30%.
Saturday	A slight chance of rain. Mostly sunny, with a high near 64. Chance of precipitation is 20%.

Forecast from NOAA-NWS for Catonsville MD.