The Nationals vs. the Pirates at 1:35 p.m. Sunday at Nationals Park

Perhaps there will be a peek of sun here and there, with enough of a breeze to keep those pop-ups interesting. A passing shower or thunderstorm also can’t be ruled out but probably wouldn’t last long.

[How the Nationals make high-pressure weather decisions]

First pitch: Mostly cloudy, chance of a quick shower. Low to mid-70s.

Ninth inning: Mostly cloudy, passing thunderstorm possible. Mid-70s.

Chance of rain: 30 percent

Chance of delay: 15 percent

Chance of postponement: 2 percent