Do certain weather conditions lead to more home runs?

Yes! Weather conditions can change the distance a batted ball travels by more than 20%. Home Run Forecast provides a simple way to see the if weather will help or hinder baseball flight during a game. The Home Run Forecast Index demonstrates a strong correlation with the number of HRs hit and runs scored in big league games. Check out our Premium Subscription for on-demand HRFI forecast data by team and for each game.

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Current Weather Conditions and HRF Index

The table below shows the Home Run Forecast Index (HRFI) value for each big league ballpark. The HRFI ranges from 1 to 10, with 10 indicating the most favorable weather conditions for ball fight and 1 indicating least favorable. Learn more about how we calculate this index here.

This data is updated hourly at the top of the hour. For ballparks with a retractable roof, the index is calculated for open roof conditions. Check local sources for roof status. For ballparks with a permanent roof, the index is calculated for indoor conditions.

Ballpark LocationSky CoverTemperature (°F)Home Run Forecast Index™
Anaheim, CAfew clouds728
Arlington, TXclear sky788
Boston, MAscattered clouds698
Cleveland, OHlight rain678
Houston, TXlight rain788
Los Angeles, CAfew clouds708
Pittsburgh, PAscattered clouds758
Baltimore, MDfew clouds706
Cincinnati, OHbroken clouds736
Phoenix, AZovercast clouds826
San Diego, CAclear sky706
St. Louis, MOmoderate rain696
Washington, DCfew clouds726
Miami, FLscattered clouds795
Philadelphia, PAscattered clouds685
Sacramento, CAbroken clouds615
Bronx, NYscattered clouds674
Denver, COovercast clouds604
Detroit, MIovercast clouds534
San Francisco, CAlight rain594
Tampa Bay, FLclear sky804
Tampa, FLclear sky814
Atlanta, GAclear sky743
Queens, NYscattered clouds583
Seattle, WAovercast clouds583
Toronto, ONlight rain553
Chicago (AL), ILovercast clouds532
Chicago (NL), ILovercast clouds522
Kansas City, MOovercast clouds552
Milwaukee, WIovercast clouds512
Minneapolis, MNclear sky481
Data last updated: 1775843768
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