| NWS Forecast for: Rockville MD Issued by: National Weather Service Baltimore, MD/Washington, D.C. Last Update: 7:27 am EDT Aug 18, 2026 | |
| Today: Partly sunny, with a high near 85. Calm wind becoming northwest 5 to 7 mph in the morning. Tonight: Mostly clear, with a low around 67. Calm wind. Wednesday: Sunny, with a high near 86. Calm wind becoming west around 5 mph in the afternoon. Wednesday Night: A slight chance of showers and thunderstorms after 2am. Partly cloudy, with a low around 70. Calm wind. Chance of precipitation is 20%. Thursday: A slight chance of showers and thunderstorms before 8am, then a chance of showers between 8am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 84. Light and variable wind. Chance of precipitation is 70%. Thursday Night: Showers and thunderstorms likely before 11pm, then a chance of showers between 11pm and 2am. Mostly cloudy, with a low around 67. Chance of precipitation is 60%. Friday: A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 82. Chance of precipitation is 40%. Friday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 68. Chance of precipitation is 50%. Saturday: A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 81. Chance of precipitation is 60%. Saturday 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 67. Chance of precipitation is 60%. Sunday: A chance of showers and thunderstorms. Mostly sunny, with a high near 82. Chance of precipitation is 30%. Sunday Night: A chance of showers and thunderstorms. Partly cloudy, with a low around 64. Chance of precipitation is 30%. Monday: Sunny, with a high near 81. | |
| Rockville MD 39.08°N 77.16°W (Elev. 430 ft) | |
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