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™
Houston, TXovercast clouds708
Phoenix, AZbroken clouds808
Arlington, TXclear sky696
San Francisco, CAbroken clouds606
Anaheim, CAclear sky655
Los Angeles, CAclear sky665
Sacramento, CAclear sky644
San Diego, CAscattered clouds644
Atlanta, GAovercast clouds563
Denver, COscattered clouds533
Miami, FLfew clouds663
Tampa, FLclear sky533
Baltimore, MDfew clouds411
Boston, MAbroken clouds341
Bronx, NYfew clouds371
Chicago (AL), ILfew clouds311
Chicago (NL), ILfew clouds301
Cincinnati, OHfew clouds471
Cleveland, OHclear sky301
Detroit, MIscattered clouds231
Kansas City, MOmoderate rain501
Milwaukee, WIclear sky201
Minneapolis, MNfew clouds171
Philadelphia, PAlight rain401
Pittsburgh, PAscattered clouds361
Queens, NYbroken clouds381
Seattle, WAbroken clouds471
St. Louis, MOovercast clouds471
Toronto, ONovercast clouds281
Washington, DCfew clouds431
Data last updated: 1772074568
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