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™
Seattle, WAmoderate rain568
Los Angeles, CAclear sky666
Phoenix, AZfew clouds755
Miami, FLbroken clouds714
Anaheim, CAovercast clouds563
Denver, COscattered clouds643
San Diego, CAbroken clouds623
Tampa, FLfew clouds683
Sacramento, CAovercast clouds421
Arlington, TXclear sky481
Atlanta, GAclear sky401
Baltimore, MDovercast clouds271
Boston, MAfew clouds251
Bronx, NYfew clouds291
Chicago (AL), ILovercast clouds211
Chicago (NL), ILovercast clouds211
Cincinnati, OHbroken clouds231
Cleveland, OHovercast clouds181
Detroit, MIovercast clouds181
Houston, TXclear sky481
Kansas City, MOclear sky431
Milwaukee, WIclear sky191
Minneapolis, MNclear sky251
Philadelphia, PAbroken clouds261
Pittsburgh, PAbroken clouds181
Queens, NYfew clouds291
San Francisco, CAscattered clouds511
St. Louis, MOclear sky381
Toronto, ONlight snow241
Washington, DCovercast clouds281
Data last updated: 1765824969
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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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