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™
Anaheim, CAbroken clouds708
Arlington, TXclear sky838
Denver, COclear sky768
Houston, TXclear sky858
Kansas City, MOclear sky788
Miami, FLbroken clouds818
Phoenix, AZfew clouds788
San Diego, CAbroken clouds668
Chicago (AL), ILclear sky696
Tampa Bay, FLclear sky796
Tampa, FLclear sky806
Los Angeles, CAclear sky695
Minneapolis, MNclear sky745
Sacramento, CAbroken clouds644
San Francisco, CAbroken clouds644
St. Louis, MOclear sky754
Chicago (NL), ILclear sky693
Las Vegas, NVclear sky623
Atlanta, GAclear sky722
Bronx, NYclear sky602
Cincinnati, OHclear sky702
Cleveland, OHscattered clouds642
Detroit, MIscattered clouds632
Milwaukee, WIclear sky672
Pittsburgh, PAfew clouds642
Seattle, WAbroken clouds532
Williamsport, PAclear sky621
Baltimore, MDfew clouds631
Boston, MAclear sky561
Philadelphia, PAfew clouds611
Queens, NYfew clouds601
Toronto, ONclear sky541
Washington, DCscattered clouds631
Data last updated: 1792781768
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