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, FLscattered clouds8510
Houston, TXclear sky879
Phoenix, AZscattered clouds889
Anaheim, CAclear sky718
Atlanta, GAbroken clouds728
Kansas City, MObroken clouds658
Los Angeles, CAclear sky698
Cincinnati, OHbroken clouds597
Mexico City, Mexicoclear sky827
Sacramento, CAclear sky747
Baltimore, MDscattered clouds686
Miami, FLscattered clouds876
San Diego, CAfew clouds676
San Francisco, CAfew clouds636
Seattle, WAovercast clouds665
St. Louis, MOovercast clouds665
Washington, DCscattered clouds685
Bronx, NYovercast clouds584
Detroit, MIbroken clouds534
Tampa Bay, FLclear sky824
Arlington, TXovercast clouds613
Boston, MAovercast clouds523
Cleveland, OHbroken clouds523
Philadelphia, PAbroken clouds633
Queens, NYovercast clouds583
Toronto, ONbroken clouds523
Chicago (AL), ILbroken clouds491
Chicago (NL), ILbroken clouds471
Denver, COovercast clouds461
Milwaukee, WIovercast clouds451
Minneapolis, MNfew clouds491
Pittsburgh, PAovercast clouds491
Data last updated: 1777575367
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