Nationals vs. Phillies weather forecast: Showers possible but probably playabe First Pitch 9th Inning Weather Chance of Rain Cloudy Showers are possible, but don't like to be disruptive enough to kill the game. Temperatures are comfortable in the upper 60s. NatCast appears on the day of every Nationals home game. Also, if you haven't already, join us on Facebook and follow us on Twitter