Good morning, Chevy Chase! It's Friday, July 20, and here are five things to know today:

1.) Temperatures will be in the mid-80s, with thunderstorms and an 80 percent chance of rain. On Saturday, temperatures will be around 80, with scattered thunderstorms and a 30 percent chance of rain. On Sunday, temperatures will be in the mid-80s, with isolated thunderstorms and a 30 percent chance of rain, according to Weather.com.

2.) For a little night music, attend The Flute Society of Washington's Adult Flute Camp Recital at 7:30 p.m. at the Chevy Chase Presbyterian Church (1 Chevy Chase Circle NW, Washington, DC).

3.) Chevy Chase resident Ellouise Schoettler's one-woman performance, Pushing Boundaries, at the Capital Fringe Festival has three more shows: Sunday, July 22, at 2 p.m.; Wednesday, July 25, at 8:15 p.m.; and Saturday, July 28, at 7:15 p.m. at the Goethe Institute's theater (812 7th St. NW, Washington, DC). Purchase tickets for the performance at www.pushingboundariesstory.com or at www.capitalfringe.org.

4.) For a roundup of other exciting and fun things to do this weekend (including baseball, ballet, hikes, drama, sidewalk sales, junior detective day and more), check out our weekend planner.

5.) Today in history: Forty-three years ago (in 1969), American astronaut Neil Armstrong became the first person to walk on the moon. Read more about the mission on History.com.