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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HRF forecast value available for each contest, with detailed data throughout the 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 clouds798
Baltimore, MDovercast clouds768
Boston, MAovercast clouds688
Bronx, NYovercast clouds748
Chicago (AL), ILbroken clouds758
Chicago (NL), ILovercast clouds748
Cincinnati, OHovercast clouds758
Cleveland, OHbroken clouds768
Detroit, MIovercast clouds778
Houston, TXbroken clouds818
Kansas City, MOovercast clouds778
Milwaukee, WIclear sky738
Philadelphia, PAovercast clouds768
Pittsburgh, PAovercast clouds778
Queens, NYovercast clouds748
St. Louis, MObroken clouds808
Washington, DCovercast clouds778
Los Angeles, CAbroken clouds607
Phoenix, AZovercast clouds757
Toronto, ONovercast clouds666
Anaheim, CAovercast clouds605
Denver, CObroken clouds684
San Diego, CAclear sky614
San Francisco, CAfew clouds584
Atlanta, GAovercast clouds773
Minneapolis, MNscattered clouds663
Sacramento, CAfew clouds583
Tampa, FLbroken clouds823
Miami, FLclear sky802
Tampa Bay, FLbroken clouds822
Seattle, WAovercast clouds491
Data last updated: 1776102970
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