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™
Miami, FLfew clouds797
Tampa, FLbroken clouds697
Houston, TXovercast clouds644
Sacramento, CAovercast clouds441
Anaheim, CAclear sky501
Arlington, TXovercast clouds451
Atlanta, GAovercast clouds361
Baltimore, MDclear sky371
Boston, MAscattered clouds361
Bronx, NYclear sky381
Chicago (AL), ILovercast clouds291
Chicago (NL), ILlight snow291
Cincinnati, OHovercast clouds341
Cleveland, OHlight snow331
Denver, COscattered clouds371
Detroit, MIsnow281
Kansas City, MOovercast clouds311
Los Angeles, CAclear sky511
Milwaukee, WIovercast clouds211
Minneapolis, MNclear sky21
Philadelphia, PAscattered clouds381
Phoenix, AZclear sky481
Pittsburgh, PAovercast clouds341
Queens, NYbroken clouds391
San Diego, CAclear sky481
San Francisco, CAovercast clouds451
Seattle, WAlight rain491
St. Louis, MOovercast clouds411
Toronto, ONsnow291
Washington, DCovercast clouds351
Data last updated: 1765119369
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