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.

The Home Run Forecast Index has been featured on

HRF PREMIUM IS NOW AVAILABLE

HRF Premium provides on-demand HRF forecast data using up to date weather information along with our trained model. Check out a preview below or view the pricing page for more information.

Premium Preview

HRF forecast value available for each contest, with detailed data throughout the game.

Premium Hourly Preview

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™
Kansas City, MOclear sky639
St. Louis, MOclear sky689
Anaheim, CAovercast clouds538
Houston, TXovercast clouds808
San Diego, CAbroken clouds598
San Francisco, CAscattered clouds518
Tampa, FLscattered clouds808
Arlington, TXfew clouds787
Atlanta, GAscattered clouds787
Cincinnati, OHbroken clouds686
Miami, FLbroken clouds804
Phoenix, AZscattered clouds624
Cleveland, OHbroken clouds573
Pittsburgh, PAovercast clouds543
Sacramento, CAbroken clouds511
Baltimore, MDmoderate rain411
Boston, MAscattered clouds401
Bronx, NYovercast clouds391
Chicago (AL), ILovercast clouds481
Chicago (NL), ILovercast clouds491
Denver, COscattered clouds361
Detroit, MIovercast clouds361
Los Angeles, CAovercast clouds501
Milwaukee, WIovercast clouds431
Minneapolis, MNovercast clouds341
Philadelphia, PAovercast clouds431
Queens, NYovercast clouds391
Seattle, WAovercast clouds391
Toronto, ONbroken clouds341
Washington, DCmoderate rain411
Data last updated: 1771534567
API Access

Add Home Run Forecast to Your Site or App

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.

swing-batter-home-run-forecast@2x