Catonsville weather
Best months for weather: Apr–Oct. Below: today's sky, the hour-by-hour rain chance and the 16-day forecast for Catonsville, Maryland, United States.
Best Time to Visit
Peak season Apr–OctOff season Dec–Mar
Catonsville weather by month
When is the best time to visit Catonsville?
Based on weather alone, the best time to visit Catonsville is Apr–Oct, according to NASA's 2001–2025 climate averages. Dec–Mar tends to be the least pleasant. Average highs run from 3°C (37°F) in January to 30°C (86°F) in July.
What is the rainiest month in Catonsville?
June is the wettest month, with about 117 mm (4.6 in) of rain on average. January is the driest, with about 70 mm (2.8 in).
What is the hottest month in Catonsville?
July is the warmest, with average highs of 30°C (86°F) and lows of 20°C (67°F). January is the coolest, with highs of 3°C (37°F) and lows of -5°C (23°F).
Does Catonsville have a rainy season?
Not a strong one. No month averages more than 150 mm of rain; the wettest is June at about 117 mm (4.6 in).
Sources: 2001–2025 monthly averages from NASA POWER (MERRA-2 reanalysis), forecast and current conditions from Open-Meteo. Page updated . How we rate months