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, FLlight rain737
Tampa Bay, FLbroken clouds655
Anaheim, CAclear sky583
Los Angeles, CAclear sky563
Phoenix, AZovercast clouds683
San Diego, CAclear sky613
San Francisco, CAbroken clouds533
Tampa, FLbroken clouds653
Houston, TXovercast clouds592
Arlington, TXovercast clouds501
Atlanta, GAclear sky501
Baltimore, MDscattered clouds481
Boston, MAclear sky411
Bronx, NYscattered clouds451
Chicago (AL), ILclear sky341
Chicago (NL), ILclear sky331
Cincinnati, OHscattered clouds401
Cleveland, OHfew clouds331
Denver, COscattered clouds441
Detroit, MIclear sky321
Kansas City, MOclear sky441
Milwaukee, WIclear sky341
Minneapolis, MNscattered clouds311
Philadelphia, PAscattered clouds481
Pittsburgh, PAbroken clouds371
Queens, NYscattered clouds451
Sacramento, CAscattered clouds511
Seattle, WAovercast clouds501
St. Louis, MOfew clouds411
Toronto, ONscattered clouds321
Washington, DCscattered clouds481
Data last updated: 1776686168
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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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