Catonsville, MD Weather
Catonsville, MD climate is hot during summer when temperatures tend to be in the 80's and very cold during winter when temperatures tend to be in the 30's.
The warmest month of the year is July with an average maximum temperature of 90.60 degrees Fahrenheit, while the coldest month of the year is January with an average minimum temperature of 29.40 degrees Fahrenheit.
Temperature variations between night and day tend to be fairly limited during summer with a difference that can reach 18 degrees Fahrenheit, and fairly limited during winter with an average difference of 15 degrees Fahrenheit.
The annual average precipitation at Catonsville is 43.59 Inches. Rainfall in is fairly evenly distributed throughout the year. The wettest month of the year is May with an average rainfall of 4.18 Inches.
Weather Data
Current Conditions
|
Fair, 52°F | Humidity: 89% | Dewpoint: 49°F |
| Wind Speed: N/A | Heat Index: 52°F | ||
| Barometer: 30.04 in. | Wind Chill: 52°F |
Weather Forecast
 | Hi: 55°F | Today: Occasional rain and drizzle this morning...Then rain likely with patchy drizzle this afternoon. Areas of fog this morning...Then patchy fog this afternoon. Highs in the mid 50s. East winds around 5 mph. Chance of rain 80 percent. |
| Lo: 43°F | ||
 | Hi: 59°F | Thanksgiving day: Mostly cloudy. A chance of showers in the afternoon. Highs in the upper 50s. North winds around 5 mph... Becoming east in the afternoon. Chance of rain 30 percent. |
| Lo: 39°F | ||
| Hi: 49°F | Friday: Mostly cloudy with a 50 percent chance of showers. Highs in the upper 40s. West winds 15 to 20 mph with gusts up to 30 mph. |
| Lo: 35°F | ||
 | Hi: 50°F | Saturday: Mostly sunny. Highs around 50. |
| Lo: 35°F | ||
| Hi: 55°F | Sunday: Mostly sunny. Highs in the mid 50s. |
| Lo: 35°F | ||
 | Hi: 59°F | Monday: Partly sunny. Highs in the upper 50s. |
| Lo: 40°F |
Moon, Sunrise and Sunset
 |
Moon Phase: Waxing Gibbous Moon | Civil Twilight: 6:31 AM EST |
Sunrise: 7:00 AM EST |
| Sunset: 4:46 PM EST |
Civil Twilight: 5:15 PM EST |
Normal Climate
Normal Temperatures
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Max °F | 44.1 | 47.3 | 56.8 | 67.8 | 77.2 | 86.0 | 90.6 | 88.2 | 80.9 | 69.7 | 58.7 | 48.5 | 68.0 |
| Mean °F | 36.8 | 39.3 | 47.9 | 58.0 | 67.7 | 76.9 | 81.7 | 79.5 | 72.3 | 60.7 | 50.4 | 41.0 | 59.4 |
| Min °F | 29.4 | 31.3 | 39.0 | 48.2 | 58.2 | 67.7 | 72.7 | 70.8 | 63.7 | 51.6 | 42.1 | 33.5 | 50.7 |
Normal Precipitation
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Inch | 3.48 | 3.07 | 4.12 | 3.06 | 4.18 | 3.28 | 3.96 | 4.05 | 4.06 | 3.19 | 3.45 | 3.69 | 43.59 |
