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™
Cincinnati, OHclear sky8510
Houston, TXscattered clouds9210
Miami, FLscattered clouds9110
Phoenix, AZclear sky9310
Tampa, FLbroken clouds8510
Arlington, TXfew clouds899
St. Louis, MOclear sky899
Sacramento, CAbroken clouds758
Anaheim, CAovercast clouds778
Atlanta, GAovercast clouds788
Chicago (AL), ILfew clouds798
Detroit, MIclear sky808
Kansas City, MOscattered clouds828
Los Angeles, CAclear sky748
Minneapolis, MNclear sky828
San Francisco, CAbroken clouds708
Seattle, WAscattered clouds678
Pittsburgh, PAclear sky807
San Diego, CAbroken clouds757
Denver, COscattered clouds786
Milwaukee, WIclear sky786
Queens, NYbroken clouds806
Bronx, NYfew clouds805
Chicago (NL), ILfew clouds795
Toronto, ONclear sky715
Baltimore, MDovercast clouds774
Philadelphia, PAovercast clouds794
Washington, DCovercast clouds754
Boston, MAclear sky703
Cleveland, OHfew clouds783
Data last updated: 1759262166
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