Catonsville, MD Weather & Growing Conditions
Overnight
59°F
Mostly Clear
Mostly clear, with a low around 59. Northeast wind around 9 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 59°F | Mostly Clear | 9 mph NE | 0% |
| Saturday | 77°F | Partly Sunny | 6 to 9 mph E | 6% |
| Saturday Night | 64°F | Slight Chance Rain Showers | 8 mph SE | 21% |
| Sunday | 82°F | Chance Rain Showers then Slight Chance Showers And Thunderstorms | 7 to 10 mph S | 51% |
| Sunday Night | 61°F | Slight Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 3 to 10 mph W | 68% |
| Monday | 70°F | Chance Rain Showers | 10 mph NE | 33% |
| Monday Night | 55°F | Chance Rain Showers | 7 to 10 mph NE | 42% |
| Tuesday | 63°F | Rain Showers Likely | 14 mph NE | 57% |
| Tuesday Night | 53°F | Chance Rain Showers | 14 mph NE | 54% |
| Wednesday | 61°F | Chance Rain Showers | 15 mph NE | 42% |
| Wednesday Night | 53°F | Chance Rain Showers | 15 mph NE | 42% |
| Thursday | 62°F | Chance Rain Showers | 14 mph NE | 42% |
| Thursday Night | 52°F | Chance Rain Showers | 7 to 12 mph N | 35% |
| Friday | 67°F | Slight Chance Rain Showers | 10 mph N | 24% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Catonsville, MD
Last spring frost
Mar 24
First fall frost
Nov 21
Growing season
244 days
Hardiness zone
7b
Explore more for Catonsville, MD: full frost dates · planting calendar · Maryland frost dates
Climate data from the nearest NOAA station, Md Sci Ctr Baltimore, Md (7.5 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.