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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Detailed weather data and hourly index data for each park.

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™
Houston, TXbroken clouds8510
Anaheim, CAclear sky748
Arlington, TXovercast clouds778
Phoenix, AZbroken clouds788
Miami, FLbroken clouds847
San Diego, CAbroken clouds737
San Francisco, CAbroken clouds637
Los Angeles, CAfew clouds716
Sacramento, CAclear sky656
Las Vegas, NVfew clouds645
Tampa, FLbroken clouds835
Chicago (NL), ILovercast clouds604
Kansas City, MOmoderate rain644
Tampa Bay, FLovercast clouds824
Atlanta, GAbroken clouds703
Bronx, NYclear sky593
Denver, COscattered clouds603
Minneapolis, MNovercast clouds583
St. Louis, MOclear sky693
Chicago (AL), ILovercast clouds602
Cleveland, OHovercast clouds572
Detroit, MIovercast clouds592
Milwaukee, WIovercast clouds582
Philadelphia, PAbroken clouds602
Queens, NYfew clouds602
Washington, DCbroken clouds622
Williamsport, PAclear sky601
Baltimore, MDbroken clouds611
Boston, MAfew clouds531
Cincinnati, OHclear sky681
Pittsburgh, PAovercast clouds571
Seattle, WAbroken clouds511
Toronto, ONclear sky581
Data last updated: 1793480167
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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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