20879 Weather (Gaithersburg, MD)

Weather forecast for: Gaithersburg MD

Last Update: 7:53 pm EDT Aug 5, 2026

Tonight: Partly cloudy, with a low around 72. Light south wind.

Thursday: Scattered showers and thunderstorms after 2pm. Sunny, with a high near 90. Southwest wind 6 to 8 mph. Chance of precipitation is 50%.

Thursday Night: Scattered showers and thunderstorms before 11pm. Partly cloudy, with a low around 72. Light southwest wind. Chance of precipitation is 30%.

Friday: Showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 88. Calm wind becoming southwest 5 to 7 mph in the afternoon. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Friday Night: Showers and thunderstorms likely before 11pm, then a chance of showers between 11pm and 2am. Mostly cloudy, with a low around 70. Light southwest wind. Chance of precipitation is 60%.

Saturday: A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 88. Chance of precipitation is 50%.

Saturday Night: A chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 71. Chance of precipitation is 30%.

Sunday: Mostly sunny, with a high near 88.

Sunday Night: Mostly clear, with a low around 70.

Monday: Mostly sunny, with a high near 91.

Monday Night: A slight chance of showers and thunderstorms. Partly cloudy, with a low around 72. Chance of precipitation is 20%.

Tuesday: A chance of showers and thunderstorms. Partly sunny, with a high near 91. Chance of precipitation is 40%.

Tuesday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 71. Chance of precipitation is 50%.

Wednesday: A chance of showers. Partly sunny, with a high near 85. Chance of precipitation is 50%.