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™
Miami, FLbroken clouds859
Anaheim, CAovercast clouds608
Arlington, TXclear sky838
Houston, TXclear sky848
Phoenix, AZclear sky768
San Diego, CAbroken clouds698
Atlanta, GAclear sky767
Los Angeles, CAlight rain567
Detroit, MIscattered clouds686
Tampa, FLclear sky846
Cincinnati, OHclear sky715
Kansas City, MOovercast clouds705
Pittsburgh, PAscattered clouds665
Sacramento, CAovercast clouds534
Chicago (AL), ILscattered clouds674
Denver, COscattered clouds624
St. Louis, MOclear sky784
Baltimore, MDbroken clouds663
Boston, MAmoderate rain543
Bronx, NYovercast clouds583
Milwaukee, WIscattered clouds623
Philadelphia, PAbroken clouds633
Queens, NYovercast clouds583
San Francisco, CAfew clouds553
Toronto, ONfew clouds683
Washington, DCovercast clouds633
Chicago (NL), ILscattered clouds672
Cleveland, OHscattered clouds671
Minneapolis, MNovercast clouds491
Seattle, WAclear sky481
Data last updated: 1760460968
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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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