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™
Minneapolis, MNovercast clouds789
Anaheim, CAovercast clouds658
Arlington, TXheavy intensity rain758
Chicago (NL), ILovercast clouds768
Cincinnati, OHovercast clouds798
Cleveland, OHovercast clouds768
Houston, TXlight rain748
Kansas City, MOovercast clouds708
Los Angeles, CAovercast clouds648
Milwaukee, WIovercast clouds738
Phoenix, AZovercast clouds828
Pittsburgh, PAovercast clouds778
San Diego, CAovercast clouds668
San Francisco, CAbroken clouds568
St. Louis, MOovercast clouds728
Baltimore, MDovercast clouds676
Chicago (AL), ILovercast clouds766
Denver, COovercast clouds736
Sacramento, CAovercast clouds566
Washington, DCbroken clouds706
Detroit, MIovercast clouds785
Philadelphia, PAscattered clouds645
Miami, FLclear sky784
Seattle, WAbroken clouds594
Tampa Bay, FLclear sky824
Toronto, ONovercast clouds573
Boston, MAovercast clouds562
Queens, NYscattered clouds532
Atlanta, GAclear sky831
Bronx, NYbroken clouds611
Tampa, FLclear sky821
Data last updated: 1776030969
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