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™
Detroit, MIclear sky608
Miami, FLfew clouds798
Bronx, NYclear sky607
Queens, NYclear sky597
Anaheim, CAovercast clouds686
Houston, TXfew clouds726
Phoenix, AZscattered clouds756
Washington, DCclear sky596
Boston, MAclear sky575
San Diego, CAovercast clouds685
Arlington, TXovercast clouds664
Baltimore, MDclear sky574
Cincinnati, OHclear sky654
Cleveland, OHbroken clouds654
Las Vegas, NVclear sky674
Los Angeles, CAovercast clouds664
Philadelphia, PAclear sky574
Pittsburgh, PAscattered clouds624
San Francisco, CAbroken clouds614
St. Louis, MObroken clouds694
Tampa Bay, FLclear sky754
Tampa, FLfew clouds744
Williamsport, PAclear sky513
Denver, COclear sky523
Kansas City, MOclear sky663
Sacramento, CAclear sky593
Toronto, ONbroken clouds613
Atlanta, GAfew clouds582
Chicago (AL), ILclear sky592
Chicago (NL), ILclear sky591
Milwaukee, WIclear sky521
Minneapolis, MNclear sky451
Seattle, WAmoderate rain471
Data last updated: 1793328968
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