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™
Phoenix, AZscattered clouds8810
Anaheim, CAbroken clouds698
Arlington, TXclear sky798
Boston, MAfew clouds658
Bronx, NYfew clouds688
Chicago (AL), ILbroken clouds758
Chicago (NL), ILfew clouds748
Cleveland, OHovercast clouds658
Houston, TXscattered clouds818
Kansas City, MOclear sky818
Los Angeles, CAclear sky708
Philadelphia, PAbroken clouds668
Queens, NYbroken clouds678
San Diego, CAclear sky708
San Francisco, CAovercast clouds698
St. Louis, MOclear sky818
Detroit, MIclear sky707
Cincinnati, OHscattered clouds706
Denver, COclear sky776
Milwaukee, WIscattered clouds736
Sacramento, CAclear sky726
Tampa, FLbroken clouds826
Baltimore, MDlight rain625
Washington, DCovercast clouds615
Pittsburgh, PAbroken clouds644
Toronto, ONovercast clouds614
Minneapolis, MNbroken clouds663
Atlanta, GAovercast clouds682
Miami, FLbroken clouds762
Tampa Bay, FLbroken clouds822
Seattle, WAbroken clouds411
Data last updated: 1774893369
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