Arnold, MD

Current conditions, hourly and 7-day forecast, and live radar for Arnold, MD 21012. Right now: mostly clear, 74°F. Data from the National Weather Service.

• Tonight: Mostly clear, with a low around 74. Southwest wind around 13 mph, with gusts as high as 23 mph.
• Thursday: A chance of rain showers after 2pm. Partly sunny, with a high near 89. West wind 7 to 10 mph, with gusts as high as 18 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
• Thursday Night: A chance of rain showers before 8pm, then a chance of showers and thunderstorms between 8pm and 10pm, then showers and thunderstorms between 10pm and midnight, then a chance of showers and thunderstorms between midnight and 2am, then showers and thunderstorms likely. Mostly cloudy, with a low around 69. Northwest wind around 6 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
• Friday: A chance of rain showers before 8am. Partly sunny, with a high near 81. North wind 5 to 9 mph. Chance of precipitation is 30%. New rainfall amounts between a tenth and quarter of an inch possible.
• Friday Night: Partly cloudy, with a low around 68. East wind around 3 mph.
• Saturday: A chance of rain showers after 8am. Partly sunny, with a high near 81. Chance of precipitation is 50%.