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, FLfew clouds816
Arlington, TXovercast clouds605
Tampa, FLbroken clouds705
Houston, TXfew clouds614
Los Angeles, CAclear sky664
Phoenix, AZclear sky634
Tampa Bay, FLbroken clouds734
Anaheim, CAclear sky623
Baltimore, MDclear sky523
Bronx, NYclear sky513
Cincinnati, OHclear sky523
Queens, NYbroken clouds523
Sacramento, CAclear sky513
San Diego, CAclear sky613
San Francisco, CAfew clouds573
Washington, DCclear sky523
Williamsport, PAclear sky441
Atlanta, GAscattered clouds501
Boston, MAbroken clouds481
Chicago (AL), ILclear sky491
Chicago (NL), ILclear sky491
Cleveland, OHclear sky501
Denver, COscattered clouds451
Detroit, MIclear sky461
Kansas City, MOclear sky491
Las Vegas, NVbroken clouds511
Milwaukee, WIfew clouds471
Minneapolis, MNclear sky391
Philadelphia, PAbroken clouds511
Pittsburgh, PAclear sky471
Seattle, WAlight rain511
St. Louis, MOclear sky501
Toronto, ONfew clouds501
Data last updated: 1794322267
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