Catonsville, MD Weather & Growing Conditions
Overnight
52°F
Mostly Clear
Mostly clear, with a low around 52. South wind around 5 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 52°F | Mostly Clear | 5 mph S | 1% |
| Wednesday | 74°F | Patchy Fog then Mostly Sunny | 3 to 9 mph S | 1% |
| Wednesday Night | 60°F | Mostly Cloudy then Chance Rain Showers | 7 mph S | 30% |
| Thursday | 73°F | Chance Rain Showers | 6 to 9 mph S | 52% |
| Thursday Night | 61°F | Rain Showers Likely | 2 to 6 mph SW | 59% |
| Friday | 69°F | Light Rain Likely | 3 mph N | 59% |
| Friday Night | 49°F | Chance Light Rain then Partly Cloudy | 2 to 7 mph NW | 37% |
| Saturday | 62°F | Mostly Sunny | 8 to 12 mph NW | 6% |
| Saturday Night | 41°F | Partly Cloudy | 10 mph NW | 6% |
| Sunday | 59°F | Mostly Sunny | 8 to 12 mph NW | 2% |
| Sunday Night | 41°F | Mostly Clear | 8 mph W | 6% |
| Monday | 60°F | Sunny | 8 to 14 mph W | 6% |
| Monday Night | 39°F | Mostly Clear | 3 to 9 mph W | 5% |
| Tuesday | 64°F | Sunny | 6 to 10 mph W | 2% |
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 Nov 4, 2026.