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™
Baltimore, MDbroken clouds8610
Philadelphia, PAovercast clouds8510
Washington, DCbroken clouds8710
Anaheim, CAovercast clouds738
Arlington, TXovercast clouds838
Atlanta, GAclear sky828
Bronx, NYovercast clouds828
Cincinnati, OHbroken clouds798
Houston, TXscattered clouds848
Kansas City, MOclear sky798
Los Angeles, CAovercast clouds728
Phoenix, AZovercast clouds888
Pittsburgh, PAovercast clouds748
Queens, NYovercast clouds798
San Diego, CAovercast clouds708
St. Louis, MOclear sky798
Tampa, FLscattered clouds798
Chicago (AL), ILclear sky707
Detroit, MIbroken clouds666
Boston, MAovercast clouds725
Chicago (NL), ILfew clouds705
Cleveland, OHovercast clouds685
Denver, COovercast clouds735
Miami, FLclear sky775
Minneapolis, MNclear sky785
Tampa Bay, FLscattered clouds795
Milwaukee, WIbroken clouds664
Sacramento, CAclear sky694
San Francisco, CAfew clouds664
Toronto, ONovercast clouds623
Seattle, WAbroken clouds541
Data last updated: 1776380169
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