| NWS Forecast for: Arnold MD Issued by: National Weather Service Baltimore, MD/Washington, D.C. Last Update: 10:30 am EDT Jul 13, 2025 |  |
Today: A chance of showers and thunderstorms, mainly between 2pm and 3pm. Partly sunny, with a high near 29. Southeast wind around 10 km/h. Chance of precipitation is 40%. Tonight: A chance of showers and thunderstorms, mainly after 5am. Mostly cloudy, with a low around 23. South wind 5 to 8 km/h. Chance of precipitation is 50%. Monday: Showers and thunderstorms likely, mainly after 2pm. Mostly cloudy, with a high near 30. Calm wind becoming south 5 to 10 km/h in the afternoon. Chance of precipitation is 70%. New rainfall amounts between 2.5 and 5 mm possible. Monday Night: Showers and thunderstorms likely, mainly before 8pm. Mostly cloudy, with a low around 23. Calm wind. Chance of precipitation is 60%. New rainfall amounts between 5 and 7.5 mm possible. Tuesday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 30. Calm wind becoming south 5 to 10 km/h in the morning. Chance of precipitation is 70%. Tuesday Night: Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am, then a slight chance of showers after 2am. Mostly cloudy, with a low around 23. Chance of precipitation is 60%. Wednesday: Showers likely and possibly a thunderstorm, mainly after 2pm. Partly sunny, with a high near 31. Chance of precipitation is 60%. Wednesday Night: Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am. Mostly cloudy, with a low around 24. Chance of precipitation is 60%. Thursday: Showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 32. Chance of precipitation is 60%. Thursday Night: Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am. Mostly cloudy, with a low around 24. Chance of precipitation is 60%. Friday: A chance of showers and thunderstorms. Mostly sunny, with a high near 32. Chance of precipitation is 40%. Friday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 24. Chance of precipitation is 30%. Saturday: A chance of showers and thunderstorms. Mostly sunny, with a high near 31. Chance of precipitation is 40%. | |
| Arnold MD 39.05°N 76.48°W (Elev. 98 m) | |
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