First, the bad news.
In case you haven't already heard, it's going to rain today. Big time. In fact, a has been issued for Arlington County for Friday afternoon and evening. The low tonight will be 71 degrees.
But there's good news, too! According to the National Weather Service, things start looking much better on Saturday. There is a small chance of rain on Saturday morning before 9 a.m., but the day is expected to be mainly sunny with a high temperature topping out around 88 degrees. We'll take that in mid-July!
Even better, no rain is excepted on Sunday and the high temperature is expected to reach 91 degrees. Perfect weather for all those you have planned!