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™
Houston, TXovercast clouds778
Tampa, FLclear sky777
Los Angeles, CAclear sky656
Phoenix, AZfew clouds715
San Diego, CAscattered clouds675
Anaheim, CAovercast clouds574
Atlanta, GAfew clouds664
Miami, FLovercast clouds784
Arlington, TXovercast clouds563
Denver, COclear sky643
Sacramento, CAovercast clouds411
Baltimore, MDbroken clouds421
Boston, MAovercast clouds361
Bronx, NYovercast clouds401
Chicago (AL), ILlight snow111
Chicago (NL), ILlight snow121
Cincinnati, OHsnow311
Cleveland, OHovercast clouds291
Detroit, MIbroken clouds221
Kansas City, MOovercast clouds241
Milwaukee, WIbroken clouds71
Minneapolis, MNclear sky21
Philadelphia, PAbroken clouds441
Pittsburgh, PAovercast clouds341
Queens, NYbroken clouds411
San Francisco, CAclear sky511
Seattle, WAovercast clouds491
St. Louis, MOovercast clouds221
Toronto, ONbroken clouds281
Washington, DCbroken clouds431
Data last updated: 1765652169
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