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™
Arlington, TXovercast clouds718
Houston, TXovercast clouds718
San Francisco, CAbroken clouds534
Sacramento, CAclear sky513
Anaheim, CAclear sky543
Cincinnati, OHovercast clouds543
Los Angeles, CAclear sky553
Miami, FLfew clouds773
Phoenix, AZscattered clouds613
San Diego, CAscattered clouds553
Atlanta, GAovercast clouds552
Tampa, FLbroken clouds682
Baltimore, MDovercast clouds431
Boston, MAfew clouds361
Bronx, NYbroken clouds391
Chicago (AL), ILbroken clouds361
Chicago (NL), ILbroken clouds361
Cleveland, OHovercast clouds371
Denver, COclear sky371
Detroit, MIovercast clouds321
Kansas City, MOovercast clouds421
Milwaukee, WIclear sky301
Minneapolis, MNovercast clouds341
Philadelphia, PAovercast clouds421
Pittsburgh, PAovercast clouds471
Queens, NYbroken clouds401
Seattle, WAmoderate rain491
St. Louis, MOovercast clouds501
Toronto, ONclear sky321
Washington, DCovercast clouds471
Data last updated: 1772632571
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Give your audience a quick way to understand how weather will affect hitting distance. Enhance your game previews, picks and analysis with hourly forecasts up to two days out. When it comes to fantasy baseball or the sportsbook every edge counts.

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