MLB Weather Report

How ballpark weather changes MLB games

Weather is one of the few game-day factors that moves home-run odds in a measurable way. This report tracks the forecast for every MLB game — wind speed and direction relative to each park's field orientation, temperature, rain-delay risk, and roof status — and translates it into the expected effect on home-run carry, updated throughout the day from game-level forecasts.

How these weather readings are computed

Every reading comes from a game-level forecast pinned to the ballpark itself, not a citywide summary. The hourly window opens near first pitch in the park's own time zone, and readings refresh as forecasts update through the day.

The home-run carry figure is more than a raw wind speed: it reads the wind against each park's actual field orientation, so the same 12 mph breeze that plays straight out to center at one stadium can be a near-neutral crosswind at another. A confirmed-closed roof takes the wind and rain out of the read entirely.

The same per-game forecasts flow into HomerunPredict's home-run projections as weather context — this page is the human-readable view of the data the models draw on, refreshed on the same pipeline.