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™
Arlington, TXclear sky788
Boston, MAmoderate rain628
Bronx, NYovercast clouds608
Houston, TXclear sky858
Kansas City, MOclear sky698
Miami, FLscattered clouds878
Queens, NYbroken clouds608
Chicago (NL), ILclear sky627
Phoenix, AZclear sky767
St. Louis, MOclear sky667
Anaheim, CAclear sky716
Los Angeles, CAclear sky726
Pittsburgh, PAbroken clouds576
Tampa, FLclear sky846
Atlanta, GAclear sky655
Baltimore, MDscattered clouds645
Washington, DCscattered clouds645
Cincinnati, OHclear sky624
Detroit, MIfew clouds584
Minneapolis, MNclear sky614
Philadelphia, PAbroken clouds634
San Diego, CAclear sky744
San Francisco, CAclear sky674
Sacramento, CAclear sky623
Chicago (AL), ILclear sky623
Cleveland, OHovercast clouds563
Denver, COfew clouds553
Milwaukee, WIclear sky613
Toronto, ONovercast clouds563
Seattle, WAovercast clouds511
Data last updated: 1760979368
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