7-Day Forecast 39.05°N 76.48°W (Text-Only)
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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