Weather forecast for: Chevy Chase Heights PA
Last Update: 6:57 pm EDT Sep 17, 2026
Tonight: A chance of showers and thunderstorms before 1am, then a slight chance of showers between 1am and 2am. Patchy fog after 2am. Otherwise, mostly cloudy, with a low around 65. West wind around 5 mph becoming calm in the evening. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday: Patchy fog before 10am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 76. Calm wind becoming north around 6 mph in the afternoon.
Friday Night: Partly cloudy, with a low around 55. North wind around 6 mph becoming east after midnight.
Saturday: Partly sunny, with a high near 74. East wind around 7 mph.
Saturday Night: Showers, mainly after 2am. Low around 63. Southeast wind 7 to 9 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday: Showers and possibly a thunderstorm. High near 74. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Sunday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 58. Chance of precipitation is 50%.
Monday: A chance of showers. Mostly cloudy, with a high near 68. Chance of precipitation is 40%.
Monday Night: Showers likely. Mostly cloudy, with a low around 57. Chance of precipitation is 60%.
Tuesday: Showers likely. Mostly cloudy, with a high near 62. Chance of precipitation is 70%.
Tuesday Night: A chance of showers. Mostly cloudy, with a low around 52. Chance of precipitation is 50%.
Wednesday: A chance of showers. Partly sunny, with a high near 64. Chance of precipitation is 40%.
Wednesday Night: A chance of showers. Mostly cloudy, with a low around 52. Chance of precipitation is 30%.
Thursday: Partly sunny, with a high near 67.