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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HRF forecast value available for each contest, with detailed data throughout the 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™
Tampa, FLbroken clouds8810
Anaheim, CAclear sky718
Atlanta, GAovercast clouds798
Baltimore, MDovercast clouds698
Boston, MAmoderate rain698
Bronx, NYovercast clouds648
Houston, TXscattered clouds858
Los Angeles, CAclear sky698
Mexico City, Mexicofew clouds848
Philadelphia, PAovercast clouds668
Phoenix, AZfew clouds798
Queens, NYlight rain628
Washington, DCmoderate rain688
Miami, FLbroken clouds877
San Francisco, CAfew clouds657
Sacramento, CAovercast clouds706
Pittsburgh, PAovercast clouds555
San Diego, CAscattered clouds685
Tampa Bay, FLclear sky845
Cincinnati, OHovercast clouds624
Detroit, MIbroken clouds544
Milwaukee, WIbroken clouds544
Seattle, WAovercast clouds564
Arlington, TXovercast clouds583
Chicago (AL), ILbroken clouds563
Chicago (NL), ILbroken clouds563
Cleveland, OHbroken clouds533
Kansas City, MOclear sky573
St. Louis, MObroken clouds613
Denver, COovercast clouds351
Minneapolis, MNovercast clouds431
Toronto, ONovercast clouds421
Data last updated: 1778093768
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